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Isoforms Recommended:	MAO-A

Results for "

MAO A

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Monoamine Oxidase (312) 5-HT Receptor (9) Adenosine Receptor (2) Adrenergic Receptor (6) Akt (1) Aldehyde Dehydrogenase (ALDH) (1) Amylases (1) Amyloid-β (10) Androgen Receptor (1) Antibiotic (8) Apoptosis (24) Autophagy (6) Bacterial (12) Bcl-2 Family (4) Calcium Channel (2) Carbonic Anhydrase (1) Caspase (2) Cholinesterase (ChE) (41) COMT (9) COX (2) Cytochrome P450 (8) DNA/RNA Synthesis (3) Dopamine Receptor (2) Dopamine Transporter (2) Dopamine β-hydroxylase (3) Drug Derivative (1) Drug Intermediate (1) Drug Metabolite (3) DYRK (2) EGFR (2) Endogenous Metabolite (12) Enterovirus (3) ERK (2) Estrogen Receptor/ERR (1) Ferroptosis (2) Fluorescent Dye (2) GABA Receptor (5) Glutathione Peroxidase (2) Glycosidase (3) GSK-3 (1) Guanylate Cyclase (6) HDAC (5) HIF/HIF Prolyl-Hydroxylase (1) Histamine Receptor (1) Histone Demethylase (25) HSP (2) HSV (2) IAP (1) iGluR (3) IKK (2) Imidazoline Receptor (6) Influenza Virus (2) Interleukin Related (1) Isotope-Labeled Compounds (16) JAK (3) Keap1-Nrf2 (1) Lipoxygenase (1) mGluR (2) Microtubule/Tubulin (6) Mitochondrial Metabolism (1) nAChR (3) NF-κB (8) NO Synthase (9) Opioid Receptor (3) P-glycoprotein (1) Parasite (4) PARP (2) PGC-1α (4) PI3K (1) PKC (2) Reactive Oxygen Species (ROS) (11) Reference Standards (35) Reverse Transcriptase (2) Serotonin Transporter (1) Sigma Receptor (1) Small Interfering RNA (siRNA) (1) SOD (1) STAT (2) Survivin (2) Tau Protein (1) Telomerase (2) TGF-beta/Smad (1) TNF Receptor (3) α-synuclein (1)
By Research Areas:	Cancer (75) Cardiovascular Disease (24) Endocrinology (7) Infection (31) Inflammation/Immunology (39) Metabolic Disease (19) Neurological Disease (279)
Click Chemistry:	Alkynes (19)
Oligonucleotides:	Human Pre-designed siRNA Sets (1) siRNAs (1)

357

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

Natural
Products

Recombinant Proteins

Isotope-Labeled Compounds

Antibodies

Click Chemistry

Oligonucleotides

Targets Recommended: Monoamine Oxidase

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-W275048

MAO-A inhibitor 3	Monoamine Oxidase	Neurological Disease
MAO-A inhibitor 3 (Compound 360) is a *MAO-A* inhibitor, with IC₅₀ of >100 μΜ. MAO-A inhibitor 3 can be used to study neurological disorders .

HY-N12485

MAO-A inhibitor 1	Monoamine Oxidase	Cancer
MAO-A inhibitor 1 (compound VIII) is a *MAO-A* inhibitor, with an IC₅₀ of 100 μM .

HY-142706

MAO A/HDAC-IN-1	Monoamine Oxidase HDAC	Cancer
MAO A/HDAC-IN-1 is a dual?inhibitor?of *monoamine oxidase A (MAO* A) and HDAC*. MAO* A/HDAC-IN-1 can be used for glioma research . MAO A/HDAC-IN-1 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-151800

MAO-A/B-IN-2	Monoamine Oxidase	Neurological Disease
MAO-A/B-IN-2 (compound 30) is a *MAO-A/B* inhibitor with IC₅₀ values of 17.8 and 15.8 μM for *MAO-A* and *MAO-B, respectively. MAO*-A/B-IN-2 can be used in the study of neurological disorders .

HY-174833

MAO-A-IN-2	Monoamine Oxidase	Neurological Disease
MAO-A-IN-2 (Compound 4l) is a selective monoamine oxidase A (MAO-A) inhibitor with an IC₅₀ value of 0.4 μM. MAO-A-IN-2 reduces the degradation of monoamine neurotransmitters (e.g., serotonin, norepinephrine). MAO-A-IN-2 is promising for research of neurological diseases related to monoamine neurotransmitter imbalance such as depression and anxiety disorders .

HY-162606

MAO-A/B-IN-3	Monoamine Oxidase Cholinesterase (ChE)	Neurological Disease
MAO-A/B-IN-3 (Compound 12) stands out as a key dual *MAO-AChE* inhibitor, displaying excellent multi-target efficacy against *MAO-A, MAO-B, and AChE* with IC₅₀ values of 67 nM, 29 nM, and 1370 nM respectively. MAO-A/B-IN-3 is adept at altering the A site (hydrophobic ring) and C site (semicarbazone chain) within ketone amine-based MTDLs to bolster the inhibitory potential against *MAO-A/B* while notably diminishing activity against AChE. MAO-A/B-IN-3 is poised for research applications in the field of neurodegenerative diseases .

HY-168021

MAO-A/SERT-IN-1	Monoamine Oxidase Serotonin Transporter	Neurological Disease
MAO-A/SERT-IN-1 is an inhibitor of *MAO-A*/serotonin transporter (SERT). MAO-A/SERT-IN-1 can reduce SERT-mediated reuptake of 5-HT and has neuroprotective effects in cell inhibition models. MAO-A/SERT-IN-1 can improve depressive behavior in zebrafish and mice .

HY-178149

MAO-A/B-IN-5	Monoamine Oxidase	Neurological Disease
MAO-A/B-IN-5 is an orally active *MAO-A* (IC₅₀ = 73.88 μM) and *MAO-B* (IC₅₀ = 91.08 μM) inhibitor. MAO-A/B-IN-5 reverses Sodium nitroprusside (SNP) (HY-B0564)-induced cerebral lipid peroxidation (IC₅₀ = 130.2 μM) and protein carbonylation (IC₅₀ = 229.8 μM). MAO-A/B-IN-5 shows dose-dependent and time-dependent antidepressant-like efficacy in mice. MAO-A/B-IN-5 can be used for the study of depressive disorder .

HY-175723

MAO-A/B-IN-4	Bacterial Monoamine Oxidase	Infection
MAO-A/B-IN-4 is an orally active *MAO-A/B* inhibitor, with IC₅₀ values of 51.3 μM and 47.0 μM, respectively. MAO-A/B-IN-4 exhibits potent activity against S. aureus, MSSA, MRSA, LRSA, and LREFa. MAO-A/B-IN-4 demonstrates potent antibacterial efficacy in a mouse model of LRSA peritonitis infection. MAO-A/B-IN-4 can be used for the study of bacterial infections .

HY-163322

MAO-A inhibitor 2	Monoamine Oxidase	Neurological Disease
MAO-A inhibitor 2 (compound HT4) is a monoamine oxidase A (MAO-A) inhibitor with an IC₅₀ of 14.3 µM. MAO-A inhibitor 2 shows a less effect on MAO-B (IC₅₀ of 106 µM) and shows almost ineffective on xanthine oxidase (XO). MAO-A inhibitor 2 can be used for the neurodegenerative disorders and oxidative stress research .

HY-155577

MAO A/HSP90-IN-1	Monoamine Oxidase HSP	Cancer
MAO A/HSP90-IN-1 (4-b) is a MAO A/HSP90 dual inhibitor with IC₅₀ value of 1.77 μM and 0.019 μM in Glioblastoma (GBM) GL26 cells and HSP90α, respectively. MAO A/HSP90-IN-1 (4-b) can inhibit MAO A activity, HSP90 binding and the expression of HER2 and phospho-Akt to inhibit the growth of GBM, they also reduce PD-L1 expression, which inhibits T cell activation. MAO A/HSP90-IN-1 (4-b) have potential to inhibit tumor immune escape. MAO A/HSP90-IN-1 (4-b) can be used for brain tumor-related diseases research .

HY-155580

MAO A/HSP90-IN-2	Monoamine Oxidase HSP	Cancer
MAO A/HSP90-IN-2 (compound 4-C) is a dual inhibitor of HSP90and MAO A with the IC₅₀ values of 0.016 and 4.58 μM, respectively. MAO A/HSP90-IN-2 increases HSP70 expression and reduces HER2 and phospho-Akt expression, and decreases IFN-γ induced PD-L1 expression in GL26 cells. MAO A/HSP90-IN-2 inhibits the growth of Temozolomide (HY-17364) -sensitive and -resistant GBM cells, colon cancer, leukemia, non-small cell lung and other cancers, and has potential to inhibit tumor immune escape ^[1].

HY-151596

MAO-A/5-HT2AR-IN-1	Monoamine Oxidase 5-HT Receptor	Neurological Disease
MAO-A/5-HT2AR-IN-1 (compound I14) is a potent *MAO-A* and 5-HT2AR dual inhibitor, with IC₅₀ values of 0.004 and 0.014 μM, respectively. MAO-A/5-HT2AR-IN-1 is a potential antidepressant agent .

HY-RS08019

MAOA Human Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
MAOA Human Pre-designed siRNA Set A contains three designed siRNAs for MAOA gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

MAOA Human Pre-designed siRNA Set A MAOA Human Pre-designed siRNA Set A

HY-N0505

Rosiridin	Monoamine Oxidase	Neurological Disease
Rosiridin inhibits MAO A and MAO B with potential beneficial effect in depression and senile dementia. Rosiridin shows an inhibition of 83.8% against MAO B at 10 μM (pIC₅₀=5.38) .

HY-101169

Tetrindole mesylate	Monoamine Oxidase	Neurological Disease
Tetrindole mesylate is a selective inhibitor of *monoamine oxidase A (MAO* A)*. Tetrindole mesylate inhibits rat brain mitochondrial MAO* A in a competitive manner with a K_i value of 0.4 μM and inhibits MAO B with a K_i of 110 μM. Tetrindole mesylate has antidepressant activity .

HY-N0505R

Rosiridin (Standard)	Reference Standards Monoamine Oxidase	Neurological Disease
Rosiridin (Standard) is the analytical standard of Rosiridin. This product is intended for research and analytical applications. Rosiridin inhibits MAO A and MAO B with potential beneficial effect in depression and senile dementia. Rosiridin shows an inhibition of 83.8% against MAO B at 10 μM (pIC50=5.38) .

HY-106770

Esuprone	Monoamine Oxidase	Neurological Disease
Esuprone is a brain-penetrant, orally active and selective MAO A inhibitor with an IC₅₀ of 7.3 nM. Esuprone can be used for neurological research .

HY-149234

MAO-B-IN-18	Monoamine Oxidase	Neurological Disease
MAO-B-IN-18 is a potent and selective MAO B inhibitor with IC₅₀s of 52 nM and 14 μM for hMAO B and hMAO A, respectively. MAO-B-IN-18 enables promising cytoprotective effects against hydrogen peroxide insults in neuroblastoma and astrocytes cultures .

HY-156255

MAO-B-IN-25	Monoamine Oxidase	Neurological Disease
MAO-B-IN-25 (compound 92) is a selective *MAO-B* inhibitor with IC₅₀s of 0.5 nM and 240 nM for MAO-A and MAO-B, respectively .

HY-149515

MAO-IN-3	Monoamine Oxidase	Cancer
MAO-IN-3 (Compound 5) is a reversible and competitive *MAO* inhibitor (K_i: 0.6 and 0.2 μM for MAO A and MAO B). MAO-IN-3 inhibits LN-229 glioblastoma cell proliferation with an IC₅₀ of 0.8 μM. MAO-IN-3 can be used for cancer research .

HY-152109

*AChE/MAO-IN-1*	Cholinesterase (ChE) Monoamine Oxidase Amyloid-β	Neurological Disease
AChE/MAO-IN-1 (Compound D28) is a potent AChE, *MAO-A* and *MAO-B* inhibitor with IC₅₀s of 0.0248, 0.0409 and 0.1108 μM against human AChE, MAO-B and MAO-A, respectively .

HY-158732

MAO-B-IN-33	Monoamine Oxidase	Inflammation/Immunology
MAO-B-IN-33 (compound C3) is a potent, reversible and selective monoamine oxidase-B (MAO-B) inhibitor with an IC₅₀ of 0.021 μM and 26.805 μM for MAO-B and MAO-A, respectively. The selectivity of MAO-B-IN-33 is attributed to the steric clash arising from the residue differences between Phe208 (MAO-A) and Ile199 (MAO-B). MAO-B-IN-33 inhibits cerebral MAO-B activity and alleviates MPTP (HY-15608)-induced dopaminergic neuronal loss in the mouse. MAO-B-IN-33 has the potential for Parkinson's disease research .

HY-163474

MAO-B-IN-32	Monoamine Oxidase	Neurological Disease
MAO-B-IN-32 is an inhibitor of *MAO-B* (IC₅₀ = 16 nM).MAO-B-IN-32 increases dopamine concentration in the brain by inhibiting MAO-B activity .

HY-157934

MAO-IN-4	Monoamine Oxidase	Neurological Disease
MAO-IN-4 (Compound 2l) is a monoamine oxidase (MAO) inhibitor, with IC₅₀ values of 0.07 and 0.75 μM for MAO-A and MAO-B Enzymes, respectively. MAO-IN-4 can be used for the research of depression and Parkinson’s disease (PD) .

HY-161240

MAO-B-IN-30	Monoamine Oxidase	Neurological Disease Inflammation/Immunology
MAO-B-IN-30 (compound IS7) is a potent, selective and cross the blood-brain barrier *MAO-B* inhibitor with IC₅₀ values of 19.176, 0.082 µM for MAO-A and MAO-B, respectively. MAO-B-IN-30 shows antiproliferative activity and non-cytotoxic. MAO-B-IN-30 reduces TNF-alpha, IL-6, NF-kB levels. MAO-B-IN-30 has the potential for the research of Parkinson's disease .

HY-170487

MAO-B-IN-38	Monoamine Oxidase	Neurological Disease
MAO-B-IN-38 (Compound 6b) is a reversible and competitive *MAO-B* inhibitor, with IC₅₀ values of 0.03 and 21.46 µM for MAO-B and MAO-A, respectively. MAO-B-IN-38 can be used for the research of neurodegenerative diseases such as Alzheimer’s and Parkinson’s diseases .

HY-178352

MAO-B-IN-49	Monoamine Oxidase Reactive Oxygen Species (ROS)	Neurological Disease Inflammation/Immunology
MAO-B-IN-49 is a selective and reversible *MAO-B* inhibitor (IC₅₀ of 1 nM for human MAO-B). MAO-B-IN-49 shows much higher selectivity for *MAO-B* than for MAO-A (IC₅₀ = 633.9). MAO-B-IN-49 can reduce ROS production induced by Lipopolysaccharides (HY-D1056) (LPS) in HT22 cells. MAO-B-IN-49 demonstrates substantial neuroprotective properties and significantly improves motor dysfunction in MPTP (HY-W114750)-induced mouse models of Parkinson’s disease (PD). MAO-B-IN-49 can be used for the study of PD .

HY-16677A

Mofegiline hydrochloride MDL72974A	Monoamine Oxidase	Neurological Disease
Mofegiline hydrochloride (MDL72974A) is an orally active and selective enzyme-activated irreversible inhibitor of *MAO-B, with marked selectivity on the MAO-B* over *MAO-A* with IC₅₀s of 3.6 nM (MAO-B) and 680 nM (MAO-A), respectively. Mofegiline hydrochloride is also an inhibitor of semicarbazide-sensitive amine oxidase (SSAO) .

HY-157087

*AChE/MAO-B-IN-4*	Cholinesterase (ChE) Monoamine Oxidase	Neurological Disease
AChE/MAO-B-IN-4 (compound 4a) is a selective dual AChE and *MAO-B* inhibitor. AChE/MAO-B-IN-4 shows no significant inhibition activity against BChE and h-MAO-A. AChE/MAO-B-IN-4 can be used for the Alzheimer’s disease (AD) research .

HY-162061

ChEs/MAOs-IN-1	Monoamine Oxidase	Neurological Disease
ChEs/MAOs-IN-1 (Compound 4i) is a dual inhibitor of cholinesterases (ChEs) and monoamine oxidases (MAOs).ChEs/MAOs-IN-1 has IC₅₀ values of 0.048 μM, 0.89 μM, 3.58 μM, and 0.095 μM for AChE, BChE, *MAO-B* and *MAO-B* respectively. ChEs/MAOs-IN-1 can be used in the study of neurodegenerative diseases .

HY-170887

MAO-B-IN-39	Keap1-Nrf2 Monoamine Oxidase	Inflammation/Immunology
MAO-B-IN-39 (compound11) is a selective monoamine oxidase B (MAO-B) inhibitor. MAO-B-IN-39 inhibits *MAO-B*with an IC₅₀ of 3.61 μM. MAO-B-IN-39 demonstrates a potent NRF2 induction capacity. MAO-B-IN-39 exhibits potent anti-inflammatory and neuroprotective activity in OS (oxidative stress)-related in vitro models. MAO-B-IN-39 demonstrates high liver microsomal stability and favorable pharmacokinetics in mice. MAO-B-IN-39 is potential for Parkinson’s disease (PD) research .

HY-160002

MAO-B-IN-27	Monoamine Oxidase	Neurological Disease
MAO-B-IN-27 (Compound 12c) is a monoamine oxidase B (MAO-B) inhibitor. MAO-B-IN-27 has potent and selective MAO-B inhibitory effect for hMAO-B with an IC₅₀ values of 8.9 nM. MAO-B-IN-27 can be used for the research of parkinson's disease (PD) .

HY-174834

MAO-B-IN-44	Monoamine Oxidase	Neurological Disease
MAO-B-IN-44 (Compound 4n) is a selective monoamine oxidase B (MAO-B) inhibitor targetin with an IC₅₀ value of 1.01 μM, showing weak inhibition on MAO-A (IC₅₀=14.4 μM). MAO-B-IN-44 reduces degradation of neurotransmitters like dopamine. MAO-B-IN-44 is promising for research of neurodegenerative diseases related to MAO-B abnormalities such as Parkinson’s disease .

HY-173336

MAO-B-IN-42	Monoamine Oxidase	Neurological Disease
MAO-B-IN-42 (Compound 4f) is a selective and reversible inhibitor of monoamine oxidase-B (MAO-B) with an IC₅₀ value of 0.184 μM. MAO-B-IN-42 helps maintain the levels of neurotransmitters by blocking the oxidative deamination of monoamines catalyzed by MAO-B. MAO-B-IN-42 is promising for research of Parkinson's disease .

HY-152110

*AChE/MAO-IN-2*	Cholinesterase (ChE) Monoamine Oxidase	Neurological Disease
Dual AChE-MAO B-IN-5, indanone derivative, is a potent dual *AChE/MAO-B* inhibitior with IC₅₀ values of 0.0224, 0.0412, and 0.1116 μM for AChE, MAO-B and MAO-A, respectively. Dual AChE-MAO B-IN-5 has antioxidant activity and prevents β-amyloid plaque aggregation. Dual AChE-MAO B-IN-5 can be used for Alzheimer’s disease (AD) research .

HY-157089

*AChE/MAO-B-IN-5*	Monoamine Oxidase Cholinesterase (ChE)	Neurological Disease
AChE/MAO-B-IN-5 is a dual inhibitor of AChE and *MAO-B. AChE/MAO*-B-IN-5 can used in study Alzheimer’s disease .

HY-143330

MAO-B-IN-4	Monoamine Oxidase	Neurological Disease
MAO-B-IN-4 (Compound 26) is an orally active and reversible *MAO-B* inhibitor with an IC₅₀ of 9 nM. MAO-B-IN-4 has good metabolic stability, safety profile and brain permeability. MAO-B-IN-4 shows antidepressant activity in rats and mice. MAO-B-IN-4 can be used in studies related to Alzheimer's disease .

HY-176271

MAO-B-IN-45	Ferroptosis Monoamine Oxidase Glutathione Peroxidase Reactive Oxygen Species (ROS) Tau Protein Amyloid-β	Neurological Disease
MAO-B-IN-45 is a dual inhibitor of ferroptosis and *MAO-B. MAO-B-IN-45 shows selectivity towards MAO-B* with an IC₅₀ of 87.47 nM and selectivity exceeding 229-fold for *MAO-B* over MAO-A. MAO-B-IN-45 has excellent antiferroptosis activity through modulation of the iron metabolic pathway and GSH-GPX4 axis in vitro. MAO-B-IN-45 improves cognitive and behavioral impairments in 3×Tg (APP/Tau/Ps1) AD mouse and significantly reduced the levels of ferritin heavy chain 1 (FTH1), APP, and Tau phosphorylation (p-Tau) proteins in the brain.

HY-U00015

MAO-IN-1	Monoamine Oxidase	Neurological Disease
MAO-IN-1 is a monoamine oxidase B (MAO B) inhibitor with an IC₅₀ of 20 nM.

HY-146958

MAO-B-IN-8 1 Publications Verification	Monoamine Oxidase	Neurological Disease
MAO-B-IN-8 is a potent reversible *MAO-B* inhibitor and an inhibitor of microglial production of neuroinflammatory mediator. MAO-B-IN-8 can be used for neurodegenerative disease research .

HY-149242

MAO-B-IN-20	Monoamine Oxidase	Neurological Disease
MAO-B-IN-20 (Compound C14) is a potent *MAO-B* inhibitor with an IC₅₀ of 0.037 μM. MAO-B-IN-20 displays good metabolic stability and brain-blood barrier permeability. MAO-B-IN-20 can be used for the research of Parkinson's disease .

HY-115987

MAO-B-IN-6	Monoamine Oxidase	Neurological Disease
MAO-B-IN-6 is a potent, selective and orally active *MAO-B* inhibitor with an IC₅₀ of 0.019 µM. MAO-B-IN-6 shows more efficacious than Safinamide in vitro and in vivo. MAO-B-IN-6 has the potential for the research of parkinson's disease (PD) .

HY-157517

MAO-B-IN-29	Monoamine Oxidase	Neurological Disease
MAO-B-IN-29 (compound 9a) is a inhibitor against *MAO-B* activity .

HY-13339

Brofaromine CGP 11305A	Monoamine Oxidase	Neurological Disease
Brofaromine (CGP 11305A) is a monoamine oxidase (MAO) inhibitor with IC₅₀ of 0.2 μM for *MAO-A*.

HY-123665

PSB-1410	Monoamine Oxidase	Neurological Disease
PSB-1410 is a selective and competitive monoamine oxidase B (MAO-B) inhibitor with IC₅₀ for human MAO-B and rat MAO-B Values are 0.23 and 1.01 nM respectively .

HY-147362

MAO-B-IN-14	Monoamine Oxidase	Neurological Disease
MAO-B-IN-14 (Compound 9) is a potent and selective monoamine oxidase-B (MAO-B) inhibitor with an IC₅₀ of 0.95 μM and a K_i of 0.55 μM against human MAO-B.

HY-143329

MAO-B-IN-3	Monoamine Oxidase 5-HT Receptor	Neurological Disease
MAO-B-IN-3 is a reversible and selective *MAO-B* inhibitor (IC₅₀=96 nM). MAO-B-IN-3 also binds to 5-HT₆R with K_i value of 696 nM. MAO-B-IN-3 can be used for research of in Alzheimer's disease .

HY-158092

ChEs/MAOs-IN-2	Cholinesterase (ChE) Monoamine Oxidase	Neurological Disease
ChEs/MAOs-IN-2 (compound a11) is a cholinesterases and monoamine oxidases inhibitor with IC₅₀ values of 0.10, 0.20, 0.30, 0.40 µM for MAO-A, MAO-B, AChE, and BChE, respectively. ChEs/MAOs-IN-2 has the potential for the research of Alzheimer's disease .

HY-145708

*Dual AChE-MAO* B-IN-2**	Cholinesterase (ChE) Monoamine Oxidase	Neurological Disease
Dual AChE-MAO B-IN-2 is a potent AChE and MAO B dual inhibitor with IC₅₀s of 0.12 µM and 0.01 µM for b>AChE and MAO B, respectively. Dual AChE-MAO B-IN-2 has the potential for the research of Alzheimer’s disease .

Cat. No.	Product Name	Type

HY-15923

MAOS	Fluorescent Dyes/Probes
MAOS is a modified Trinder’s reagent that can be used as a chromogenic probe for the determination of H₂O₂. MAOS is strongly dependent on the pH of the reaction medium .

HY-D0004

Azure B Azure B chloride	Dyes
Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC₅₀s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-17447AG

Tranylcypromine hydrochloride (GMP) SKF 385 hydrochloride (GMP)	Fluorescent Dye
Tranylcypromine (SKF 385) hydrochloride (GMP) is Tranylcypromine hydrochloride (HY-17447A) produced by using GMP guidelines. GMP small molecules work appropriately as an auxiliary reagent for cell therapy manufacture. Tranylcypromine hydrochloride is a potent monoamine oxidase (MAO) inhibitor .

HY-14536

Methylene Blue

20+ Cited Publications

Basic Blue 9; CI-52015; Methylthioninium chloride

Chromogenic Assays

Methylene blue (Basic Blue 9) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue is a Tau aggregation inhibitor. Methylene Blue is a photosensitizer and redox agent. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation .

HY-14536A

Methylene blue (purity≥70%)

Basic Blue 9 (purity≥70%); CI-52015 (purity≥70%); Methylthioninium chloride (purity≥70%)

Chromogenic Assays

Methylene blue (purity≥70%) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue (purity≥70%) is a vasopressor and is often used as a dye in several medical procedures. Methylene blue (purity≥70%) through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue (purity≥70%) is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue (purity≥70%) is a Tau aggregation inhibitor. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation .

HY-D0004R

Azure B (Standard)

Azure B chloride (Standard)

Dyes

Azure B (Standard) is the analytical standard of Azure B. This product is intended for research and analytical applications. Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects .

HY-14536R

Methylene Blue (Standard)

Basic Blue 9 (Standard); CI-52015 (Standard); Methylthioninium chloride (Standard)

Chromogenic Assays

Methylene Blue (Standard) is the analytical standard of Methylene Blue. This product is intended for research and analytical applications. Methylene blue (Basic Blue 9) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue is a Tau aggregation inhibitor. Methylene blue reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation .

Cat. No.	Product Name	Type

HY-17447AG

Tranylcypromine hydrochloride (GMP) SKF 385 hydrochloride (GMP)	Biochemical Assay Reagents
Tranylcypromine (SKF 385) hydrochloride (GMP) is Tranylcypromine hydrochloride (HY-17447A) produced by using GMP guidelines. GMP small molecules work appropriately as an auxiliary reagent for cell therapy manufacture. Tranylcypromine hydrochloride is a potent monoamine oxidase (MAO) inhibitor .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N0505

Rosiridin	Other Monoterpenes Rhodiola rosea Linn. Terpenoids Source classification Crassulaceae Plants	Monoamine Oxidase
Rosiridin inhibits MAO A and MAO B with potential beneficial effect in depression and senile dementia. Rosiridin shows an inhibition of 83.8% against MAO B at 10 μM (pIC₅₀=5.38) .

HY-125515

Tetrahydroharmine Leptaflorine	Alkaloids Banisteriopsis caapi (Spruce ex Griseb.) Morton Source classification Malpighiaceae Plants Indole Alkaloids	Monoamine Oxidase
Tetrahydroharmine (Leptaflorine) is A monoamine oxidase (MAO) inhibitor with a IC₅₀ value of 74 nM for MAO-A. Tetrahydroharmine can be used in the study of neurodegenerative diseases .

HY-N0159

Paeonol 5+ Cited Publications	Monophenols Neurological Disease Classification of Application Fields Source classification Phenols Plants Paeoniaceae Disease Research Fields Paeonia suffruticosa Andr. Cancer	Monoamine Oxidase Autophagy
Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits *MAO-A* and *MAO-B* with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-N0529

Rosmarinic acid Maximum Cited Publications 16 Publications Verification Labiatenic acid	Classification of Application Fields Paramacrolobium coeruleum (Taub.) J.Léonard Labiatae Source classification Other Phenylpropanoids Phenylpropanoids Plants Endogenous metabolite Disease Research Fields Cancer	Monoamine Oxidase COMT Apoptosis Endogenous Metabolite
Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits *MAO-A, MAO-B* and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-22385

Salsolidine 2 Publications Verification	Alkaloids Animals Source classification Isoquinoline Alkaloids	Monoamine Oxidase
Salsolidine is a tetrahydroisoquinoline alkaloid, acts as a stereoselective competitive MAO A inhibitor.

HY-N0505R

Rosiridin (Standard)	Other Monoterpenes Rhodiola rosea Linn. Terpenoids Crassulaceae Source classification Plants	Reference Standards Monoamine Oxidase
Rosiridin (Standard) is the analytical standard of Rosiridin. This product is intended for research and analytical applications. Rosiridin inhibits MAO A and MAO B with potential beneficial effect in depression and senile dementia. Rosiridin shows an inhibition of 83.8% against MAO B at 10 μM (pIC50=5.38) .

HY-N2336

Rosmarinic acid racemate Labiatenic acid racemate	Classification of Application Fields Inflammation/Immunology Disease Research Fields	Monoamine Oxidase Endogenous Metabolite
Rosmarinic acid racemate is the racemate of Rosmarinic acid. Rosmarinic acid inhibits *MAO-A, MAO-B* and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-153039R

Anhydroleucovorin (Standard)	Human Gut Microbiota Metabolites Microorganisms Source classification Endogenous metabolite	Reference Standards Drug Intermediate
Rosiridin (Standard) is the analytical standard of Rosiridin. This product is intended for research and analytical applications. Rosiridin inhibits MAO A and MAO B with potential beneficial effect in depression and senile dementia. Rosiridin shows an inhibition of 83.8% against MAO B at 10 μM (pIC50=5.38) .

HY-N12134

Methyl piperate	Piper longum Linn. Natural Products Source classification Piperaceae Plants	Monoamine Oxidase
Methylpiperic acid is a piperine alkaloid with significant MAO inhibitory activity (IC₅₀3.6 μM). Methylpiperic acid is less effective against MAO-B (IC₅₀1.6 μM) than MAO-A (IC₅₀27.1 μM) has a bidirectional inhibitory effect. Methylphenidate is used to treat mental disorders .

HY-N13041

Acacetin 7-O-(6-O-malonylglucoside)	Flavonoids Flavones Ligularia veitchiana (Hemsl.) Greenm. Labiatae Source classification Plants	Monoamine Oxidase
Acacetin 7-O-(6-O-malonylglucoside) is a monoamine oxidase inhibitor with strong inhibitory effects on monoamine oxidase A (MAO-A) and monoamine oxidase B (MAO-B) with IC₅₀ values of 2.34 and 1.87 μM, respectively. Acacetin 7-O-(6-O-malonylglucoside) is a reversible *MAO* inhibitor that can be used in the research of neurodegenerative diseases and affective disorders .

HY-N0159R

Paeonol (Standard)	Monophenols Source classification Phenols Plants Paeoniaceae Paeonia suffruticosa Andr.	Reference Standards Monoamine Oxidase Autophagy
Paeonol (Standard) is the analytical standard of Paeonol. This product is intended for research and analytical applications. Paeonol is an active extraction from the root of Paeonia suffruticosa, Paeonol inhibits MAO-A and MAO-B with IC₅₀ of 54.6 μM and 42.5 μM, respectively.

HY-N0529R

Rosmarinic acid (Standard) Labiatenic acid (Standard)	Paramacrolobium coeruleum (Taub.) J.Léonard Labiatae Source classification Other Phenylpropanoids Phenylpropanoids Plants Endogenous metabolite	Reference Standards Monoamine Oxidase COMT Apoptosis Endogenous Metabolite
Rosmarinic acid (Standard) is the analytical standard of Rosmarinic acid. This product is intended for research and analytical applications. Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC₅₀s of 50.1, 184.6 and 26.7 μM, respectively.

HY-N1638

1-Methyl-2-undecyl-4(1H)-quinolone	Alkaloids Evodia rutaecarpa (Juss.) Benth. Source classification Rutaceae Quinoline Alkaloids Plants	Monoamine Oxidase
1-Methyl-2-undecyl-4(1H)-quinolone is a potent, irreversible and selective inhibitor of type B monoamine oxidase (MAO-B). 1-Methyl-2-undecyl-4(1H)-quinolone shows a selective inhibition of *MAO-B* activity with the IC₅₀ and K_i values of 15.3 μM and 9.91 μM, respectively, but did not inhibit type A MAO (MAO-A) activity. Methyl-2-undecyl-4(1H)-quinolone, as a quinolone alkaloid, is isolated from fresh leaves and fruits of Evodia rutaecarpa HOOK. f. et THOMS .

HY-22385A

Salsolidine hydrochloride	Alkaloids other families Source classification Plants Isoquinoline Alkaloids	Monoamine Oxidase
Salsolidine hydrochloride, a tetrahydroisoquinoline alkaloid, acts as a stereoselective competitive MAO A (monoamine oxidase A) inhibitor.

HY-N8315

Echitovenidine	Apocynaceae Alkaloids Alstonia yunnanensis Diels Source classification Plants	Monoamine Oxidase
Echitovenidine is an alkaloid that can be isolated from Alstonia yunnanensis. Echitovenidine is an inhibitor of monoamine oxidase (MAO) .

HY-134664

8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate	Terpenoids Sesquiterpenes Source classification Plants Compositae Vachellia nilotica (L.) P. J. H. Hurter & Mabb.	Cytochrome P450 Monoamine Oxidase
8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate is an irreversible CYP2A6 inhibitor with IC₅₀s of 8.64 μM and 22.3 μM with pre-incubation and co-incubaition, respectively. 8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate also inhibits *MAO-A* and *MAO-B* with IC₅₀s of 60.2 and 38.6 μM, respectively .

HY-22385B

(S)-Salsolidine	Alkaloids Source classification Salsola Plants Isoquinoline Alkaloids Chenopodiaceae	Monoamine Oxidase Endogenous Metabolite
(S)-Salsolidine is a weak monoamine oxidase (MAO) inhibitor (K_i=63 μM). The R enantiomer of Salsolidine is more potent than the S form (K_i=26 μM) .

HY-W008566

Norharmane Norharman; β-Carboline	Neurological Disease Classification of Application Fields Source classification Pyridine Alkaloids Endogenous metabolite Biological Pesticide Research Indole Alkaloids Agricultural Research Infection Alkaloids Microorganisms Disease Research Fields Cancer	Monoamine Oxidase Endogenous Metabolite
Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for *MAO-A* and *MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana* seedlings .

HY-N9540

Methyl citrate	Cactaceae Ketones, Aldehydes, Acids Source classification Opuntia ficus-indica (L.) Mill. Plants	Monoamine Oxidase
Methyl citrate is a Monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.23 mM). Methyl citrate is isolated from the fruits of Opuntia ficus-indica var. saboten Makino .

HY-108048

Desoxypeganine Deoxypeganine; Deoxyvasicine	Alkaloids Peganum nigellastrum Bunge Zygophyllaceae Source classification Quinoline Alkaloids Plants	Cholinesterase (ChE) Monoamine Oxidase
Desoxypeganine (Deoxypeganine), an alkaloid, is a potent and orally active cholinesterase (BChE and AChE) and selective *MAO-A* inhibitor, with IC₅₀ values of 2, 17, and 2 μM, respectively. Desoxypeganine can be used for alcohol abuse research .

HY-N9329

Glicoricone	Flavonoids Classification of Application Fields Leguminosae Source classification Phenols Polyphenols Metabolic Disease Plants Disease Research Fields Glycyrrhiza uralensis Fisch. Isoflavones	Monoamine Oxidase Estrogen Receptor/ERR
Glicoricone, a phenolic compound, is isolated from a species of licorice. Glicoricone is an inhibitor of monoamine oxidase (MAO), with an IC₅₀ of 140 μM. Glicoricone binds to estrogen receptor (ER) and shows estrogen antagonist activity .

HY-W008566R

Norharmane (Standard) Norharman (Standard); β-Carboline (Standard)	Alkaloids Microorganisms Source classification Pyridine Alkaloids Endogenous metabolite Indole Alkaloids	Reference Standards Monoamine Oxidase Endogenous Metabolite
Norharmane (Standard) is the analytical standard of Norharmane. This product is intended for research and analytical applications. Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC50 values of 6.5 and 4.7 μM for MAO-A and MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana seedlings .

HY-N0464

D-(-)-Quinic acid 2 Publications Verification	Infection Microorganisms other families Classification of Application Fields Ketones, Aldehydes, Acids Source classification Plants Endogenous metabolite Disease Research Fields	Endogenous Metabolite Glycosidase Monoamine Oxidase
D-(-)-Quinic acid scavenges hydrogen peroxide (IC₅₀=87.11 μg/mL) and exhibits antioxidant activity. D-(-)-Quinic acid is the inhibitor for *MAO* and α-Glucosidase (IC₅₀ =93.75 μg/mL). D-(-)-Quinic acid is orally active .

HY-101392R

Harmane (Standard)	Alkaloids other families Source classification Plants	Reference Standards Imidazoline Receptor Monoamine Oxidase Adrenergic Receptor
Harmane (Standard) is the analytical standard of Harmane. This product is intended for research and analytical applications. Harmane, a β-Carboline alkaloid (BCA), is a potent neurotoxin that causes severe action tremors and psychiatric manifestations. Harmane shows 1000-fold selectivity for I1-Imidazoline receptor (IC₅₀=30 nM) over α2-adrenoceptor (IC₅₀=18 μM). Harmane is also a potent and selective inhibitor of monoamine oxidase (MAO) (IC₅₀s=0.5 and 5 μM for *human MAO* A/B**, respectively). Harmane exhibits comutagenic effect .

HY-N0453

Hypericin 5+ Cited Publications	Natural Products Classification of Application Fields Guttiferae Source classification Phenols Polyphenols Hyperlcurn perforatum L. Plants Disease Research Fields Cancer	Apoptosis Influenza Virus Antibiotic Monoamine Oxidase PKC Cytochrome P450 Dopamine β-hydroxylase Reverse Transcriptase Telomerase
Hypericin is a naturally occurring substance found in Hyperlcurn perforatum L. Hypericin is an inhibitor of PKC (protein kinase C), *MAO* (monoaminoxidase), dopamine-beta-hydroxylase, reverse transcriptase, telomerase and CYP (cytochrome P450). Hypericin shows antitumor, antiviral, antidepressive activities, and can induce apoptosis .

HY-N0464R

D-(-)-Quinic acid (Standard)	Microorganisms other families Ketones, Aldehydes, Acids Source classification Plants Endogenous metabolite	Reference Standards Endogenous Metabolite Glycosidase Monoamine Oxidase
D-(-)-Quinic acid (Standard) is the analytical standard of D-(-)-Quinic acid. This product is intended for research and analytical applications. D-(-)-Quinic acid scavenges hydrogen peroxide (IC₅₀=87.11 μg/mL) and exhibits antioxidant activity. D-(-)-Quinic acid is the inhibitor for *MAO* and α-Glucosidase (IC₅₀ =93.75 μg/mL). D-(-)-Quinic acid is orally active .

HY-Y0265

Isatin Indoline-2,3-dione	Cardiovascular Disease Alkaloids other families Neurological Disease Classification of Application Fields Source classification Plants Disease Research Fields Indole Alkaloids	Monoamine Oxidase Apoptosis
Isatin (Indoline-2,3-dione) is a potent inhibitor of monoamine oxidase (MAO) with an IC₅₀ of 3 μM. Also binds to central benzodiazepine receptors (IC₅₀ against clonazepam, 123 μM) . Also acts as an antagonist of both atrial natriuretic peptide stimulated and nitric oxide-stimulated guanylate cyclase activity . Shows effect on the serotonergic system .

HY-N1636

1-Methyl-2-nonyl-4(1H)-quinolone	Alkaloids Neurological Disease Classification of Application Fields Source classification Rutaceae Quinoline Alkaloids Plants Disease Research Fields	Monoamine Oxidase
1-Methyl-2-nonyl-4(1H)-quinolone, a quinolone alkaloid, is a potent and selective *MAO-B* (monoamine oxidase) inhibitor. 1-Methyl-2-nonyl-4(1H)-quinolone exhibites inhibitory activity on leukotriene biosynthesis, with an IC₅₀ of 12.1 μM .

HY-N0453R

Hypericin (Standard) 5+ Cited Publications	Natural Products Classification of Application Fields Guttiferae Source classification Phenols Hyperlcurn perforatum L. Plants Disease Research Fields Cancer	Reference Standards Apoptosis Influenza Virus Antibiotic Monoamine Oxidase PKC Cytochrome P450 Dopamine β-hydroxylase Reverse Transcriptase Telomerase
Hypericin (Standard) is the analytical standard of Hypericin. This product is intended for research and analytical applications. Hypericin is a naturally occurring substance found in Hyperlcurn perforatum L. Hypericin is an inhibitor of PKC (protein kinase C), *MAO* (monoaminoxidase), dopamine-beta-hydroxylase, reverse transcriptase, telomerase and CYP (cytochrome P450). Hypericin shows antitumor, antiviral, antidepressive activities, and can induce apoptosis .

HY-148983

Hydroxylamine	Source classification	Monoamine Oxidase
Hydroxylamine is a selective Monoamine oxidase (MAO) inhibitor used for inhibiting of platelet aggregation. Hydroxylamine is a intermediate of nitrogen cycle in aerobic ammonium oxidizers microorganisms, such as ammonium oxidizing bacteria (AOB), ammonium oxidizing archaea (AOA) and complete ammonium oxidizing bacteria (comammox). Hydroxylamine impacts NO and N₂O emissions by aerobic ammonium oxidizers microorganisms and inhibits nitrite oxidizing bacteria (NOB) activity .

HY-N0126

Xanthone 1 Publications Verification	Infection Xanthones Classification of Application Fields Guttiferae Source classification Phenols Garcinia mangostana Linn. Plants Inflammation/Immunology Disease Research Fields	Monoamine Oxidase Calcium Channel
Xanthone is a monoamine oxidase A (MAO-A) inhibitor with an IC₅₀ of 0.84 µM. Xanthon inhibits Norepinephrine (HY-13715) and high-K ⁺-induced vasoconstriction with IC₅₀ values of 60.26 μM and 82.9 μM, respectively. Xanthon increases intracellular cyclic adenosine 3′,5′-monophosphate (cAMP) content and blocks Ca ²⁺ channels. Xanthone is the scaffold of several pharmacologically active compounds .

HY-N0918

Desmethoxyyangonin Demethoxyyangonin; 5,6-Dehydrokavain	other families Classification of Application Fields Source classification Other Diseases Other Phenylpropanoids Phenylpropanoids Plants Disease Research Fields	Monoamine Oxidase JAK IKK STAT NO Synthase Cytochrome P450
Desmethoxyyangonin is one of the six major kavalactones found in the Piper methysticum (kava) plant. Desmethoxyyangonin is a selective inhibitor of monoamine oxidase-B (MAO-B) (IC₅₀: 0.123 µM). Desmethoxyyangonin exerts anti-inflammatory effects by inhibiting Jak2/STAT3 and IKK signaling pathways. Desmethoxyyangonin induces CYP3A23 expression and leads to skeletal muscle relaxation .

HY-N2510

Myristicin Myristicine	Simple Phenylpropanols Source classification Myristicaceae Phenylpropanoids Plants Myristica fragrans Houtt.	5-HT Receptor EGFR ERK Apoptosis Bacterial
Myristicine is an orally bioavailable serotonin receptor antagonist and weak monoamine oxidase (MAO) inhibitor. Myristicine also exerts anti-cancer effects on gastric cancer cells by inhibiting the EGFR/ERK signaling pathway. Myristicine is the main component of nutmeg essential oil and has anti-cancer, anti-proliferative, antibacterial, anti-inflammatory and apoptosis-inducing effects. Myristicine abuse can produce hallucinogenic effects, organ damage, etc .

HY-N0918R

Desmethoxyyangonin (Standard) Demethoxyyangonin (Standard); 5,6-Dehydrokavain (Standard)	other families Source classification Other Phenylpropanoids Phenylpropanoids Plants	Reference Standards Monoamine Oxidase JAK STAT NO Synthase IKK Cytochrome P450
Desmethoxyyangonin (Standard) is one of the six major kavalactones found in the Piper methysticum (kava) plant. Desmethoxyyangonin (Standard) is a selective inhibitor of monoamine oxidase-B (MAO-B) (IC₅₀: 0.123 µM). Desmethoxyyangonin (Standard) exerts anti-inflammatory effects by inhibiting Jak2/STAT3 and IKK signaling pathways. Desmethoxyyangonin (Standard) induces CYP3A23 expression and leads to skeletal muscle relaxation .

HY-N15657

Geiparvarin	Terpenoids Source classification Rutaceae Diterpenoids Geijera parviflora Lindl. Plants	Apoptosis COX Caspase Microtubule/Tubulin Monoamine Oxidase
Geiparvarin is an anticancer agent and an inhibitor of *MAO-B* (pIC₅₀ = 6.84 μM). Geiparvarin exerts anti-tumor effects by downregulating COX2 expression and inhibiting angiogenesis. Geiparvarin blocks the cell cycle at the G₁ phase and induces apoptosis of cancer cells. Geiparvarin has anti-microtubule activity and destroys the cytoskeleton to exert anti-proliferative effects. Geiparvarin has research significance for lung cancer, leukemia, and breast cancer .

HY-Y0265R

Isatin (Standard) Indoline-2,3-dione (Standard)	Alkaloids other families Source classification Plants Indole Alkaloids	Reference Standards Monoamine Oxidase Apoptosis
Isatin (Standard) is the analytical standard of Isatin. This product is intended for research and analytical applications. Isatin (Indoline-2,3-dione) is a potent inhibitor of monoamine oxidase (MAO) with an IC50 of 3 μM. Also binds to central benzodiazepine receptors (IC50 against clonazepam, 123 μM) . Also acts as an antagonist of both atrial natriuretic peptide stimulated and nitric oxide-stimulated guanylate cyclase activity . Shows effect on the serotonergic system .

HY-N0126R

Xanthone (Standard) 1 Publications Verification	Infection Classification of Application Fields Guttiferae Source classification Phenols Garcinia mangostana Linn. Plants Inflammation/Immunology Disease Research Fields	Reference Standards Monoamine Oxidase Calcium Channel
Xanthone (Standard) is the analytical standard of Xanthone (HY-N0126). This product is intended for research and analytical applications. Xanthone is a monoamine oxidase A (MAO-A) inhibitor with an IC₅₀ of 0.84 µM. Xanthon inhibits Norepinephrine (HY-13715) and high-K ⁺-induced vasoconstriction with IC₅₀ values of 60.26 μM and 82.9 μM, respectively. Xanthon increases intracellular cyclic adenosine 3′,5′-monophosphate (cAMP) content and blocks Ca ²⁺ channels. Xanthone is the scaffold of several pharmacologically active compounds .

HY-N2510R

Myristicin (Standard) Myristicine (Standard)	Simple Phenylpropanols Source classification Myristicaceae Phenylpropanoids Plants Myristica fragrans Houtt.	5-HT Receptor EGFR ERK Reference Standards Apoptosis Bacterial
Myristicin (Standard) is the analytical standard of Myristicin. This product is intended for research and analytical applications. Myristicine is an orally bioavailable serotonin receptor antagonist and weak monoamine oxidase (MAO) inhibitor. Myristicine also exerts anti-cancer effects on gastric cancer cells by inhibiting the EGFR/ERK signaling pathway. Myristicine is the main component of nutmeg essential oil and has anti-cancer, anti-proliferative, antibacterial, anti-inflammatory and apoptosis-inducing effects. Myristicine abuse can produce hallucinogenic effects, organ damage, etc .

HY-N2554

Osthenol Ostenol	Source classification Coumarins Phenols Polyphenols Phenylpropanoids Kleinia odora (Forssk.) DC. Umbelliferae Plants	Monoamine Oxidase PI3K Akt Apoptosis
Osthenol (Ostenol) is a reversible, selective, competitive inhibitor of hMAO-A (IC₅₀=0.74 μM, K_i=0.26 μM), with antifungal and antibacterial activity. Osthenol inhibits the oxidative deamination of hMAO-A and regulates the metabolism of monoamine neurotransmitters. Osthenol also inhibits the PI3K/AKT signaling pathway to induce apoptosis of colon cancer cells, arrest the cell cycle at the G1 phase, and inhibit cell proliferation. Osthenol is mainly used in the study of neurological diseases and cancer, especially depression-related MAO-A targeted intervention and colon cancer .

HY-N7204

4-Hydroxyderricin 1 Publications Verification	Chalcones Monophenols Flavonoids Phenols Umbelliferae Plants Ondetia linearis Benth.	Monoamine Oxidase Dopamine β-hydroxylase Apoptosis
4-Hydroxyderricin, the major active ingredients of Angelica keiskei Koidzumi, is an orally active, potent selective MAO-B (Monoamine oxidase inhibitors) inhibitor with an IC₅₀ of 3.43 μM. 4-Hydroxyderricin also mildly inhibits dopamine β (DBH)-hydroxylase activity. 4-Hydroxyderricin has antidepressant activity, anti-allergic, anti-diabetic, anti-oxidant, and antitumor effects. 4-Hydroxyderricin promotes apoptosis and cell cycle arrest through regulating PI3K/AKT/mTOR pathway in hepatocellular cells. 4-Hydroxyderricin inhibits osteoclast formation and accelerates osteoblast differentiation . 4-Hydroxyderricin is promising for research of inflammatory diseases .

HY-101392

Harmane 1 Publications Verification	Alkaloids other families Source classification Pyridine Alkaloids Plants Indole Alkaloids	Imidazoline Receptor Monoamine Oxidase Adrenergic Receptor nAChR GABA Receptor Opioid Receptor
Harmane is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, *MAO-A/B, and α2-adrenergic receptor* of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane inhibits the I1 imidazoline receptor (IC₅₀ = 30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF) .

HY-101392A

Harmane hydrochloride 1 Publications Verification	Apocynaceae Alkaloids Other Alkaloids Source classification Plants Rauwolfia canescens	Imidazoline Receptor Monoamine Oxidase Adrenergic Receptor nAChR GABA Receptor Opioid Receptor
Harmane hydrochloride is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, *MAO-A/B, and α2-adrenergic receptor* of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane hydrochloride inhibits the I1 imidazoline receptor (IC₅₀ = 30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane hydrochloride inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane hydrochloride can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF) .

Cat. No.	Compare	Product Name	Species	Source

HY-P704122

	MAOA Protein, Human (Active, sf9, His) MAOA; Monoamine oxidase type A (MAO-A)	Human	Sf9 insect cells
	MAOA Protein, Human (Active, sf9, His) is the recombinant human-derived MAOA protein, expressed by Sf9 insect cells, with N-His tag. This product contains detergent and is not suitable for cell-related experiments.

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Cat. No.	Product Name	Chemical Structure

HY-14605S

Rasagiline-13C3 mesylate
Rasagiline- ¹³C₃ ((R)-AGN1135- ¹³C₃; TVP1012- ¹³C₃) mesylate is the deuterium labeled Rasagiline (mesylate) (HY-14605) . Rasagiline (R-AGN1135) mesylate is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor with IC₅₀s of 4.43 nM and 412 nM for rat brain MAO B and A activity, respectively .

HY-B0678S

Metaxalone-d3

Metaxalone-d₃ is the deuterium labeled Metaxalone. Metaxalone (AHR438; NSC170959) is an FDA-approved muscle relaxant. Metaxalone acts mainly on the central nervous system and achieves muscle relaxation by inhibiting polysynaptic reflex arcs. In addition, Metaxalone is an inhibitor of MAO-A, which has anti-inflammatory and antioxidant effects. Metaxalone inhibits IL-1β-induced inflammatory phenotype, modulates NF-κB and other related signaling pathways, and decreases MAO-A expression and activity in IL-1β-treated microglia .

HY-101392S

Harmane-d1

Harmane-d is the deuterium labeled Harmane. Harmane, a β-Carboline alkaloid (BCA), is a potent neurotoxin that causes severe action tremors and psychiatric manifestations. Harmane shows 1000-fold selectivity for I1-Imidazoline receptor (IC₅₀=30 nM) over α2-adrenoceptor (IC₅₀=18 μM). Harmane is also a potent and selective inhibitor of monoamine oxidase (MAO) (IC₅₀s=0.5 and 5 μM for human MAO A/B, respectively) .

HY-70057S1

Safinamide-d4-1

Safinamide-d₄-1 is deuterium labeled Safinamide. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-14198S

Selegiline-d5
Selegiline-d₅ (Deprenyl-d₅) is deuterium labeled Selegiline. Selegiline (Deprenyl) is a potent, selective and irreversible inhibitor of *MAO-B, with an IC₅₀* of 51 nM. Selegiline exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-14199S

Selegiline-d5 hydrochloride

Selegiline-d₅ (hydrochloride) (Deprenyl-d₅ (hydrochloride)) is deuterium labeled Selegiline (hydrochloride). Selegiline (Deprenyl) hydrochloride is a potent, selective and irreversible inhibitor of MAO-B, with an IC₅₀ of 51 nM. Selegiline hydrochloride exhibits 450-flod selectivity for MAO-B over MAO-A (IC₅₀=23 μM). Selegiline hydrochloride can be used for the research of Parkinson's disease, Alzheimer's disease and major depressive disorder .

HY-17447AS

(1S,2R)-Tranylcypromine-d5 hydrochloride

(1S,2R)-Tranylcypromine-d₅ (hydrochloride) is the deuterium labeled Tranylcypromine hydrochloride . Tranylcypromine hydrochloride (SKF 385 hydrochloride) is an irreversible inhibitor of lysine-specific demethylase 1 (LSD1/BHC110) and monoamine oxidase (MAO). Tranylcypromine hydrochloride inhibits LSD1, MAO A and MAO B with IC₅₀s of 20.7, 2.3 and 0.95 μM, respectively. Tranylcypromine hydrochloride can be used for the research of depression .

HY-W700241

Norharman-d7

Norharman-d₇ is deuterium labeled Norharmane. Norharmane (Norharman), a β-carboline alkaloid, is a potent and reversible monoamine oxidase inhibitor, with IC₅₀ values of 6.5 and 4.7 μM for MAO-A and MAO-B, respectively. Norharmane causes antidepressant responses. Norharmane is also a prospective anti-cancer photosensitizer. Norharmane alters polar auxin transport (PAT) by inhibiting PIN2, PIN3 and PIN7 transport proteins, thus causing a significant inhibitory effect on the growth of Arabidopsis thaliana seedlings .

HY-B0678S1

Metaxalone-d6

Metaxalone-d₆ is deuterium labeled Metaxalone. Metaxalone (AHR438; NSC170959) is an FDA-approved muscle relaxant. Metaxalone acts mainly on the central nervous system and achieves muscle relaxation by inhibiting polysynaptic reflex arcs. In addition, Metaxalone is an inhibitor of MAO-A, which has anti-inflammatory and antioxidant effects. Metaxalone inhibits IL-1β-induced inflammatory phenotype, modulates NF-κB and other related signaling pathways, and decreases MAO-A expression and activity in IL-1β-treated microglia .

HY-101392S1

Harmane-d2

Harmane-d₂ is the deuterium labeled Harmane. Harmane, a β-Carboline alkaloid (BCA), is a potent neurotoxin that causes severe action tremors and psychiatric manifestations. Harmane shows 1000-fold selectivity for I1-Imidazoline receptor (IC₅₀=30 nM) over α2-adrenoceptor (IC₅₀=18 μM). Harmane is also a potent and selective inhibitor of monoamine oxidase (MAO) (IC₅₀s=0.5 and 5 μM for human MAO A/B, respectively) .

HY-14280S

Entacapone-d10

Entacapone-d₁₀ is the deuterium labeled Entacapone. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC₅₀ values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC₅₀s>50 μM). Entacapone can be used for the research of Parkinson's disease . Entacapone serves as a inhibitor of FTO demethylation with an IC₅₀ of 3.5 μM, can be used for the research of metabolic disorders .

HY-70057S4

Safinamide-d5

Safinamide-d₅ (FCE 26743-d₅) is deuterium labeled Safinamide. Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC₅₀=0.098 μM) over MAO-A (IC₅₀=580 μM) . Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC₅₀=8?μM) than at resting (IC₅₀=262?μM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al .

HY-B0534S1

Moclobemide-d4
Moclobemide-d₄ is deuterium labeled Moclobemide. Moclobemide (Ro111163) is a brain-penetrant and reversible monoamine oxidase (MAO-A) inhibitor with an IC₅₀ of 6.061 μM for hMAO-A .Moclobemide up-regulates proliferation of hippocampal progenitor cells in chronically stressed mice.

HY-B1018AS

Phenelzine-d5 sulfate

Phenelzine-d₅ sulfate is the deuterium labeled Phenelzine sulfate (HY-B1018A). Phenelzine sulfate, an antidepressant agent, is an irreversible and orally active monoamine oxidase (MAO-A and MAO-B) inhibitor. Phenelzine sulfate inhibits GABA transaminase and primary amine oxidase (PrAO), and sequester reactive aldehydes. Phenelzine sulfate also inhibits LSD1 (K_i: 5.6 μM) and suppresses oxidative stress and lipogenesis. Phenelzine sulfate elevates neurotransmitters (serotonin, norepinephrine, dopamine). Phenelzine sulfate is studied in neurological, metabolic and cancer diseases for depression and anxiety disorders, stroke, spinal cord injury, traumatic brain injury, multiple sclerosis, Parkinson’s disease, Alzheimer’s disease, inflammatory pain, obesity and prostate cancer .

HY-17447SA

Tranylcypromine-d5 hydrochloride

Tranylcypromine-d₅ (hydrochloride) is a deuterium labeled (rel)-Tranylcypromine hydrochloride. Tranylcypromine hydrochloride is an irreversible, nonselective monoamine oxidase (MAO) inhibitor used in the treatment of depression. Tranylcypromine hydrochloride is also a lysine-specific demethylase 1 (LSD1) inhibitor, suppresses lesion growth and improves generalized hyperalgesia in mouse with induced endometriosis .

HY-W015490S

1,4-Naphthoquinone-d6

1,4-Naphthoquinone-d₆ is the deuterium labeled 1,4-Naphthoquinone. 1,4-Naphthoquinone is an inhibitor with broad-spectrum inhibitory activity targeting DNA polymerase, NF-κB and monoamine oxidase (MAO-A/B), with antibacterial and anti-biofilm efficacy. 1,4-Naphthoquinone is a competitive inhibitor of MAO-B (Ki=1.4 μM) and a non-competitive inhibitor of MAO-A (Ki=7.7 μM). 1,4-Naphthoquinone inhibits DNA polymerase pol α, β, γ, δ, ε, λ with IC₅₀ ranging from 5.57-128 μM. 1,4-Naphthoquinone inhibits tumor cell proliferation, induces apoptosis and necrosis, and has anti-angiogenic and anti-inflammatory activities by inducing oxidative stress, depleting glutathione (GSH), inhibiting DNA polymerase-mediated DNA synthesis and blocking NF-κB nuclear translocation. 1,4-Naphthoquinone can be used in anti-bacterial , anti-tumor and anti-inflammatory studies, including inhibition of melanoma and colon cancer cell growth and endothelial cell function, as well as LPS-induced inflammation models .

HY-N0464S

Quinic acid-13C3
Quinic acid- ¹³C₃ is the ¹³C-labeled D-(-)-Quinic acid. D-(-)-Quinic acid scavenges hydrogen peroxide (IC₅₀=87.11 μg/mL) and exhibits antioxidant activity. D-(-)-Quinic acid is the inhibitor for *MAO* and α-Glucosidase (IC₅₀ =93.75 μg/mL). D-(-)-Quinic acid is orally active .

HY-B0534S

Moclobemide-d8
Moclobemide-d₈ (Ro111163-d₈) is the deuterium labeled Moclobemide. Moclobemide (Ro111163) is a brain-penetrant and reversible monoamine oxidase (MAO-A) inhibitor with an IC₅₀ of 6.061 μM for hMAO-A .Moclobemide up-regulates proliferation of hippocampal progenitor cells in chronically stressed mice.

HY-14605BS

Rasagiline-13C3 mesylate racemic

Rasagiline- ¹³C₃ (mesylate racemic) is a ¹³C-labeled Rasagiline mesylate racemic. Rasagiline mesylate racemic is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor . Rasagiline-13C3 (mesylate racemic) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-Y0882S1

Hydroxylamine-d3 hydrochloride

Hydroxylamine-d₃ (hydrochloride) is the deuterium labeled Hydroxyamine hydrochloride. Hydroxylamine hydrochloride is a selective Monoamine oxidase (MAO) inhibitor used for inhibiting of platelet aggregation. Hydroxylamine hydrochloride is an intermediate of nitrogen cycle in aerobic ammonium oxidizers microorganisms, such as ammonium oxidizing bacteria (AOB), ammonium oxidizing archaea (AOA) and complete ammonium oxidizing bacteria (comammox). Hydroxylamine hydrochloride impacts NO and N₂O emissions by aerobic ammonium oxidizers microorganisms and inhibits nitrite oxidizing bacteria (NOB) activity .

HY-W700834

Harman-d3

Harman-d₃ is deuterium labeled Harmane. Harmane is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, MAO-A/B, and α2-adrenergic receptor of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane also inhibits haloperidol and serotonin, with IC₅₀ values of 163 μM and 101 μM, respectively. Harmane inhibits the I1 imidazoline receptor (IC₅₀=30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF) .

HY-W777360

Harman-13C2,15N

Harman- ¹³C₂, ¹⁵N is ¹³C and ¹⁵N labeled Harmane. Harmane is a benzodiazepine receptor inhibitor (IC₅₀=7 μM), with IC₅₀ values for mACh, Opioid Receptor, MAO-A/B, and α2-adrenergic receptor of 24 μM, 2.8 μM, 0.5 μM, 5 μM, and 18 μM, respectively. Harmane also inhibits haloperidol and serotonin, with IC₅₀ values of 163 μM and 101 μM, respectively. Harmane inhibits the I1 imidazoline receptor (IC₅₀=30 nM) to reduce blood pressure and has antidepressant, anti-anxiety, anticonvulsant, and analgesic effects. Harmane inhibits dopamine biosynthesis by decreasing tyrosine hydroxylase (TH) activity and enhancing L-DOPA-induced cytotoxicity in PC12 cells. Additionally, Harmane can increase the mutagenic effect induced by 2-acetylaminofluorene (AAF) .

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HY-P82291

	Monoamine Oxidase A Antibody (YA2036) 1 Publications Verification MAOA; Amine oxidase [flavin-containing] A; Monoamine oxidase type A; MAO-A	WB, IHC-P, ICC/IF, FC	Human, Mouse, Rat
	Monoamine Oxidase A Antibody (YA2036) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to Monoamine Oxidase A.

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Cat. No.	Product Name		Classification

HY-131036

MAO-IN-M30 dihydrochloride		Alkynes
MAO-IN-M30 dihydrochloride is an orally active, brain-permeable, and brain selective irreversible *MAO-A* (IC₅₀=37 nM) and *MAO-B* (IC₅₀=57 nM) inhibitor. MAO-IN-M30 dihydrochloride is a potent iron chelator and radical scavenger. MAO-IN-M30 dihydrochloride has a neuroprotective effect against Dexamethasone-induced brain cell apoptosis. MAO-IN-M30 dihydrochloride also exhibits neurorestorative activity in post MPTP and lactacystin models of Parkinson's disease . MAO-IN-M30 (dihydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-121072

ASS234		Alkynes
ASS234 is a potent monoamino oxidase (MAO) inhibitor with IC₅₀s of 5.2 nM and 43 nM for MAO-A and MAO-B, respectively. ASS234 also inhibits AChE and BuChE with IC₅₀s of 350 nM and 460 nM, respectively .

HY-A0091

Pargyline hydrochloride 3 Publications Verification		Alkynes
Pargyline hydrochloride is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline hydrochloride has antihypertensive and anticancer activities . Pargyline (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-A0091A

Pargyline 3 Publications Verification		Alkynes
Pargyline is an irreversible monoamine oxidase (MAO) inhibitor with K_is of 13 μM and 0.5 μM for *MAO-A* and *MAO-B*, respectively. Pargyline has antihypertensive and anticancer activities . Pargyline is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-146314

MAO-B-IN-9		Alkynes
MAO-B-IN-9 (compound 16) is a potent, selective, BBB-penetrated, irreversible and time-dependent *MAO-B* (monoamine oxidase B) inhibitor, with an IC₅₀ of 0.18 μM. MAO-B-IN-9 prevents Aβ_1-42-induced neuronal cell death. MAO-B-IN-9 shows neuroprotective effects, which may be the result of its Aβ_1-42 anti-aggregation effects . MAO-B-IN-9 is a click chemistry reagent, itcontains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14605

Rasagiline mesylate Maximum Cited Publications 7 Publications Verification (R)-AGN1135 mesylate; TVP1012 mesylate		Alkynes
Rasagiline (R-AGN1135) mesylate is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor with IC₅₀s of 4.43 nM and 412 nM for rat brain MAO B and A activity, respectively . Rasagiline (mesylate) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14605A

Rasagiline Maximum Cited Publications 7 Publications Verification (R)-AGN1135; TVP1012		Alkynes
Rasagiline (R-AGN1135) is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor with IC₅₀s of 4.43 nM and 412 nM for rat brain MAO B and A activity, respectively . Rasagiline is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-142706

MAO A/HDAC-IN-1		Alkynes
MAO A/HDAC-IN-1 is a dual?inhibitor?of *monoamine oxidase A (MAO* A) and HDAC*. MAO* A/HDAC-IN-1 can be used for glioma research . MAO A/HDAC-IN-1 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-175524

*BChE/MAO-B-IN-2*		Alkynes
BChE/MAO-B-IN-2 is a dual inhibitor of BChE (IC₅₀ = 0.05 μM, K_i = 0.01 μM) and *MAO-B* (IC₅₀ = 0.45 μM, K_i = 0.08 μM) with good blood-brain barrier permeability. BChE/MAO-B-IN-2 exhibits antioxidant activity, including DPPH radical scavenging, CUPRAC copper ion reduction, and superoxide anion scavenging. BChE/MAO-B-IN-2 can be used for the study of Alzheimer's disease (AD) .

HY-146677

*5-HT6R/MAO-B modulator 1*		Alkynes
5-HT6R/MAO-B modulator 1 (compound 48) is an antagonist of 5-HT₆R at Gs signaling and an irreversible *MAO-B* inhibitor. 5-HT6R/MAO-B modulator 1 exhibits glioprotective properties. 5-HT6R/MAO-B modulator 1 can reverse Scopolamine-induced memory deficits . 5-HT6R/MAO-B modulator 1 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14200

(S)-Rasagiline 1 Publications Verification TVP1022; S-PAI		Alkynes
(S)-Rasagiline (TVP1022) is the relatively inactive S-enantiomer form of Rasagiline. Rasagiline is a highly potent selective irreversible *MAO* inhibitor with IC₅₀s of 4.43 nM and 412 nM for rat brain MAO B and A activity, respectively . (S)-Rasagiline is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-10399

Ladostigil TV-3326		Alkynes
Ladostigil (TV-3326) is an orally active dual inhibitor of cholinesterase and brain-selective monoamine oxidase (MAO), with IC₅₀s of 37.1 and 31.8 μM for *MAO-B* and AChE, respectively. Ladostigil exhibits neuroprotective, antioxidant and anti-inflammatory activities. Ladostigil can be used for the research of depression and Alzheimer's disease . Ladostigil is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-10399A

Ladostigil hydrochloride TV-3326 hydrochloride		Alkynes
Ladostigil (TV-3326) hydrochloride is an orally active dual inhibitor of cholinesterase and brain-selective monoamine oxidase (MAO), with IC₅₀s of 37.1 and 31.8 μM for *MAO-B* and AChE, respectively. Ladostigil hydrochloride exhibits neuroprotective, antioxidant and anti-inflammatory activities. Ladostigil can be used for the research of depression and Alzheimer's disease . Ladostigil (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-10400

Ladostigil hemitartrate TV-3326 hemitartrate		Alkynes
Ladostigil (TV-3326) hemitartrate is an orally active dual inhibitor of cholinesterase and brain-selective monoamine oxidase (MAO), with IC₅₀s of 37.1 and 31.8 μM for *MAO-B* and AChE, respectively. Ladostigil hemitartrate exhibits neuroprotective, antioxidant and anti-inflammatory activities. Ladostigil hemitartrate can be used for the research of depression and Alzheimer's disease . Ladostigil (hemitartrate) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-119532

Nordeprenyl Desmethylselegiline		Alkynes
Nordeprenyl is the metabolite of Deprenyl. Deprenyl is a potent, selective and irreversible inhibitor of MAO-B . Nordeprenyl is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14605BS

Rasagiline-13C3 mesylate racemic AGN1135-¹³C₃; TVP1012-¹³C₃ racemic		Alkynes
Rasagiline- ¹³C₃ (mesylate racemic) is a ¹³C-labeled Rasagiline mesylate racemic. Rasagiline mesylate racemic is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor . Rasagiline-13C3 (mesylate racemic) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-14197A

Clorgyline hydrochloride Maximum Cited Publications 7 Publications Verification		Alkynes
Clorgyline hydrochloride is an irreversible and selective inhibitor of monoamine oxidase A (MAO-A) that is used in scientific research, structurally related to Pargyline (HY-A0091A). Clorgyline hydrochloride has little effect on the amounts of conjugated dopamine (DA) present in superfusate of slices from rat striatum. Clorgyline hydrochloride contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups .

HY-120419

PF9601N		Alkynes
PF9601N, an monoamine oxidase B (MAO-B) inhibitor, possesses neuroprotective properties in several in vitro and in vivo models of Parkinson's disease (PD). PF9601N can be used for the research of neurodegenerative diseases mediated by excitotoxicity . PF9601N is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-145259

HDAC6-IN-3		Alkynes
HDAC6-IN-3 (Compound 14), an antiprostate cancer agent, is a potent, orally active HDAC6 inhibitor with IC₅₀s ranging from 0.02-1.54 μM for HDAC1/2/3/6/8/10. HDAC6-IN-3 is also an effective *MAO-A* (IC₅₀=0.79 μM) and LSD1 inhibitor . HDAC6-IN-3 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

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