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Pathways Recommended:	Stem Cell/Wnt Cell Cycle/DNA Damage

Results for "

mast cells

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Nuclear Factor of activated T Cells (NFAT) (1) 5-HT Receptor (2) Adenosine Receptor (2) Akt (3) Anaplastic lymphoma kinase (ALK) (1) Angiotensin Receptor (1) Antibiotic (5) Apoptosis (7) Aurora Kinase (2) Bacterial (12) Bcl-2 Family (1) Bcr-Abl (2) Biochemical Assay Reagents (2) Btk (1) c-Kit (4) C-type Lectin-like Receptors (CTLRs) (1) Calcium Channel (2) Caspase (2) Cathepsin (1) Cholinesterase (ChE) (2) Complement System (1) CRAC Channel (1) Drug Derivative (1) Drug Intermediate (1) Drug Metabolite (2) Endogenous Metabolite (11) ERK (1) Fc Receptor (FcR) (1) FGFR (1) FLT3 (2) Fluorescent Dye (3) Fungal (1) GPR35 (1) GSK-3 (1) Histamine Receptor (38) Influenza Virus (9) Interleukin Related (9) Isotope-Labeled Compounds (5) JAK (1) JNK (1) Leukotriene Receptor (4) Lipoxygenase (1) LPL Receptor (2) Mas-related G-protein-coupled Receptor (MRGPR) (7) MDM-2/p53 (1) MMP (1) Monoamine Oxidase (1) NF-κB (3) NO Synthase (1) P-glycoprotein (2) p38 MAPK (5) Parasite (3) PD-1/PD-L1 (1) PDGFR (3) Phosphatase (4) Phosphodiesterase (PDE) (1) Phospholipase (4) PI3K (2) Prostaglandin Receptor (5) Protease Activated Receptor (PAR) (2) Proteasome (2) Reactive Oxygen Species (3) SARS-CoV (6) Ser/Thr Protease (4) SHP2 (1) SOD (1) Src (2) STAT (6) Stearoyl-CoA Desaturase (SCD) (2) Syk (3) TNF Receptor (6) Toll-like Receptor (TLR) (2) VEGFR (3) Virus Protease (1)
By Research Areas:	Cancer (26) Cardiovascular Disease (7) Endocrinology (24) Infection (23) Inflammation/Immunology (104) Metabolic Disease (1) Neurological Disease (11)
Oligonucleotides:	Solvents (1)

148

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

Natural
Products

Isotope-Labeled Compounds

Oligonucleotides

Targets Recommended: Nuclear Factor of activated T Cells (NFAT) TREM receptor Programmed Cell Death 4 (PDCD4)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-115768A

Compound 48/80 (trimer) Poly-p-methoxyphenethylmethylamine (trimer)	Phospholipase	Others
Compound 48/80 (trimer) is a trimer of Compound 48/80 (HY-115768). Compound 48/80 is widely used in animal and tissue models as a "selective" mast cell activator .

HY-115768

Compound 48/80 Poly-p-methoxyphenethylmethylamine	Phospholipase	Neurological Disease Cancer
Compound 48/80 (Poly-p-methoxyphenethylmethylamine) is widely used in animal and tissue models as a "selective" **mast cell** activator. Compound 48/80 acts at the mast cell membrane to stimulate trimeric G-proteins and induces degranulation via phospholipase C and D pathways .

HY-W062109

Olopatadine	Endogenous Metabolite Histamine Receptor	Inflammation/Immunology
Olopatadine is an orally active and selective histamine 1 (H₁) receptor antagonist and a mast cell stabilizer. Olopatadine prevents immunologically stimulated pro-inflammatory mediator release from human conjunctival mast cells. Olopatadine can be used for researching allergic conjunctivitis .

HY-122295

Dehydroleucodine	Apoptosis	Inflammation/Immunology Cancer
Dehydroleucodine is a sesquiterpene lactone isolated from Artemisia douglasiana. Dehydroleucodine is a mast cell stabilizer that inhibits tmast cell degranulation induced by compound 48/80. Dehydroleucodine inudces cells apoptosis, and has gastric ulcer inhibition and antileukemic effects .

HY-B0640A

Epinastine hydrochloride WAL801 hydrochloride	Histamine Receptor	Inflammation/Immunology Endocrinology
Epinastine hydrochloride (WAL801 hydrochloride) is an antihistamine and mast cell stabilizer. Epinastine hydrochloride is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine hydrochloride also inhibits IL-8 release and has an antiallergic action .

HY-N14978

Eurocidin D	Antibiotic	Infection Inflammation/Immunology
Eurocidin D is a cyclic peptide antibiotic. Eurocidin D can inhibit the degranulation of rat mast cells .

HY-N14981

Eurocidin E	Antibiotic	Infection Inflammation/Immunology
Eurocidin E is an antibiotic. Eurocidin E can inhibit the degranulation and the release of histamine in rat mast cells .

HY-145893

MrgprX2 antagonist-7	Mas-related G-protein-coupled Receptor (MRGPR)	Inflammation/Immunology
MrgprX2 antagonist-7 (compound 10) is an anti-allergic agent. MrgprX2 antagonist-7 shows excellent anti-allergy effects and can inhibit mast cell degranulation .

HY-145892

MrgprX2 antagonist-6	Mas-related G-protein-coupled Receptor (MRGPR)	Inflammation/Immunology
MrgprX2 antagonist-6 (compound 9) is an anti-allergic agent. MrgprX2 antagonist-6 shows excellent anti-allergy effects and can inhibit mast cell degranulation .

HY-105999A

APC 366 hydrochloride	Ser/Thr Protease	Inflammation/Immunology
APC 366 hydrochloride is a selective inhibitor of mast cell trypsin activity. APC 366 hydrochloride is able to inhibit trypsin-induced histamine release in human tonsil and lung cells. APC 366 hydrochloride may have important applications in regulating allergic reactions and inflammation .

HY-B0640

Epinastine WAL801	Histamine Receptor	Inflammation/Immunology Endocrinology
Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action .

HY-131166

Curdlan 1 Publications Verification	Bacterial Toll-like Receptor (TLR) NO Synthase C-type Lectin-like Receptors (CTLRs) Reactive Oxygen Species	Inflammation/Immunology
Curdlan is a polysaccharide found in bacteria, consisting of a glucose homopolymer with β-1,3-glycosidic linkages . Curdlan can be recognized by Dectin-1 (a C-type lectin receptor), inducing immune responses in tissue mast cells and enhancing dendritic cell effects in tumor immunity. Curdlan holds potential for research in cancer and immune-inflammatory diseases .

HY-105999

APC 366	Ser/Thr Protease	Inflammation/Immunology
APC 366 is a selective inhibitor of mast cell tryptase (K_i=7.1 μM). APC 366 inhibits antigen-induced early asthmatic response (EAR), late asthmatic response (LAR), and bronchial hyperresponsiveness (BHR) in a sheep model of allergic asthma .

HY-12521

GSK-5498A 3 Publications Verification	CRAC Channel	Inflammation/Immunology
GSK-5498A is a selective CARC channel inhibitor (IC₅₀: 1 μM). GSK-5498A inhibits mediators release from mast cells and pro-inflammatory cytokines release from T cells. GSK-5498A can be used in the research of inflammatory disorders .

HY-N7885

(25R)-Spirost-4-ene-3,12-dione (-)-(25R)-Spirost-4-ene-3,12-dione	Others	Inflammation/Immunology
(25R)-Spirost-4-ene-3,12-dione ((-)-(25R)-Spirost-4-ene-3,12-dione) is a natural product that has an inhibitory effect on neutrophil superoxide anion production and histamine release from mast cells .

HY-131162

Chymase	Angiotensin Receptor	Cardiovascular Disease
Chymase is a protein-digester enzyme found primarily in mast cells (MC), fibroblasts, and vascular endothelial cells. Chymase is released into the extracellular stroma in the context of inflammatory signals, tissue injury and cellular stress. Chymase is also involved in angiotensin II (Ang II) production, which is used in cardiovascular disease studies .

HY-126127

BRL 22321 free base	Histamine Receptor	Inflammation/Immunology
BRL 22321 free base is a stabilizer with similar mast cell stabilizing activity to Cromolyn sodium (HY-B0320A) and also has some smooth muscle relaxant activity. BRL 22321 free base is more potent than Cromolyn sodium (HY-B0320A) in inhibiting rat passive cutaneous and peritoneal anaphylaxis and antigen-induced histamine release from passively sensitized rat peritoneal cells .

HY-13508

JNJ-7777120 1 Publications Verification	Histamine Receptor	Inflammation/Immunology
JNJ-7777120 is a potent and selective histamine H₄ receptor antagonist (K_i=4.5 nM). JNJ-7777120 effectively blocks histamine-induced migration of mouse tracheal mast cells from connective tissue to epithelial cells. JNJ-7777120 also significantly blocks neutrophil infiltration in a mouse Zymosan-induced peritonitis model. JNJ-7777120 has a good potential to study antipruritic and anti-inflammatory .

HY-P99193

Enokizumab MEDI-528	Interleukin Related	Inflammation/Immunology
Enokizumab (MEDI-528) is a monoclonal antibody targeting to interleukin (IL)-9. IL-9 regulates the development of airway inflammation, mucus production, airway hyperresponsiveness, and airway fibrosis largely by increasing mast cell numbers and activity in the airways .

HY-108489

ER-27319 maleate	Syk	Inflammation/Immunology
ER-27319 (maleate), an acridone derivative, is a potent and selective SKY inhibitor, and inhibits the tyrosine phosphorylation of SYK and its activity. ER-27319 (maleate) inhibits the release of antigen-induced allergic mediators from human and rat mast cells with an IC₅₀ of 10 μM and can be used for study in allergic diseases ^[1] ^[2].

HY-138961

ER-27319	Syk	Inflammation/Immunology
ER-27319, an acridone derivative, is a potent and selective SYK inhibitor, and inhibits the tyrosine phosphorylation of SYK and its activity. ER-27319 inhibits the release of antigen-induced allergic mediators from human and rat mast cells with an IC₅₀ of 10 μM and can be used for study in allergic diseases .

HY-P99371

Lirentelimab AK002; Antolimab	Apoptosis	Inflammation/Immunology
Lirentelimab (AK002) is a humanized IgG1 monoclonal antibody that targets sialic acid-binding Ig-like lectin 8 (SIGLEC8). Lirentelimab induces cell apoptosis of IL-5-activated eosinophils and inhibits IgE-mediated mast cell activation. Lirentelimab can be used for the research of eosinophilic gastritis and duodenitis .

HY-D1425

DCVJ 9-(2,2-Dicyanovinyl)julolidine	Fluorescent Dye	Others
DCVJ (9-(2,2-Dicyanovinyl)julolidine), a molecular rotor and unique fluorescent dye, binds to tubulin and actin, and increases its fluorescence intensity drastically upon polymerization. DCVJ also binds to phospholipid bilayers and increases its fluorescence intensity. DCVJ can detect the kinetic process of degranulation of mast cells (Absorption/emission=489/505 nm) .

HY-B0157A

Ketotifen fumarate 3 Publications Verification HC 20511 fumarate	Histamine Receptor Endogenous Metabolite SARS-CoV Influenza Virus	Inflammation/Immunology Endocrinology Cancer
Ketotifen (HC 20-511) fumarate is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen fumarate can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen fumarate also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen fumarate can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-B0157

Ketotifen 3 Publications Verification HC 20-511	Endogenous Metabolite Histamine Receptor SARS-CoV Influenza Virus	Infection Inflammation/Immunology Endocrinology Cancer
Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-N3007A

(E)-Naringenin chalcone	Others	Inflammation/Immunology
(E)-Naringenin chalcone is an orally active anti-allergic agent. (E)-Naringenin chalcone also has antioxidant, anti-inflammatory activities. (E)-Naringenin chalcone can improve adipocyte functions. (E)-Naringenin chalcone inhibits histamine release from rat peritoneal mast cell .

HY-D0220A

Toluidine Blue (purity 36%) Toluidine Blue O (purity 36%)	Fluorescent Dye	Others Cancer
Toluidine Blue (Toluidine Blue O) purity 36% is an alkaline quinonimine dye (vivo dye) with high affinity for acidic tissue components, staining nuclei blue and polysaccharides purple. Toluidine Blue purity 36% shows heterostaining properties for mast cells, mucins and chondrocytes. Toluidine Blue purity 36% can stain different components of plant tissues and cells in different colours. Toluidine Blue purity 36% is also used as a diagnostic aid to identify malignant lesions, such as cancer .

HY-B0157R

Ketotifen (Standard)	Endogenous Metabolite Histamine Receptor SARS-CoV Influenza Virus	Infection Inflammation/Immunology Endocrinology Cancer
Ketotifen (Standard) is the analytical standard of Ketotifen. This product is intended for research and analytical applications. Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-B0157AR

Ketotifen (fumarate) (Standard)	Histamine Receptor Endogenous Metabolite SARS-CoV Influenza Virus	Inflammation/Immunology Endocrinology Cancer
Ketotifen (fumarate) (Standard) is the analytical standard of Ketotifen (fumarate). This product is intended for research and analytical applications. Ketotifen (HC 20-511) fumarate is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen fumarate can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen fumarate also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen fumarate can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-123532

JNJ10191584 VUF6002	Histamine Receptor	Neurological Disease
JNJ10191584 (VUF6002) is an orally active and selective histamine H₄ receptor antagonist with a K_i value of 26 nM. JNJ10191584 shows 540-fold selectivity to H₄ receptor over H₃ receptor with a K_i value of 14.1 μM. JNJ10191584 inhibits chemotaxis of eosinophils and mast cells with IC₅₀ values of 530 nM and 138 nM, respectively .

HY-107558

JNJ10191584 maleate VUF6002 maleate	Histamine Receptor	Neurological Disease
JNJ10191584 (VUF6002) maleate (compound 40) is an orally active and selective histamine H₄ receptor antagonist with a K_i value of 26 nM. JNJ10191584 maleate shows 540-fold selectivity to H₄ receptor over the H₃ receptor with a K_i value of 14.1 μM. JNJ10191584 maleate inhibits chemotaxis of eosinophils and mast cells with IC₅₀ values of 530 nM and 138 nM, respectively .

HY-P1807

Mast Cell Degranulating Peptide HR-2	Histamine Receptor	Inflammation/Immunology
Mast Cell Degranulating Peptide HR-2, a 14-membered linear peptide isolated from the venom of the giant hornet Vespa orientalis, is capable of degranulating mast cells and thus initiating histamine release .

HY-N11691

Thapsigargicin Thapsigargicine	Others	Inflammation/Immunology
Thapsigargicin (Thapsigargicine) is a activator of mast cells and leukocytes. Thapsigargicin induces histamine release from rat peritoneal mast cells and human basophil leukocytes. Thapsigargicin increases the cytoplasmic free calcium level in intact human blood platelets .

HY-N8593

Undecane	TNF Receptor	Infection
Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α ^[

HY-P2706

Granuliberin R	Histamine Receptor	Endocrinology
Granuliberin R is a new mast cell degranulating peptide comes from amphibian, can be isolated from the skin of frog Rana rugosa. Granuliberin R is a dodecapeptide, can act on rat peritoneal mast cell to liberate granules and release histamine .

HY-N4207

Cnidicin	Others	Others
Cnidicin, a coumarin, inhibits the degranulation of mast cell and the nitric oxide (NO) generation in RAW 264.7 cells .

HY-101810

Tazanolast TO 188; Tazalest; Tazanol	Others	Inflammation/Immunology
Tazanolast is a selective mast-cell-stabilizing agent, on ozone-induced airway hyperresponsiveness in guinea pigs.

HY-124252

5,8,11-Eicosatriynoic acid ETI	Lipoxygenase	Cancer
5,8,11-Eicosatriynoic acid (ETI) is a lipoxygenase inhibitor that blocks LTC4 biosynthesis in mast cell tumor cells .

HY-B0538A

Pemirolast potassium TWT-8152; BMY 26517	Histamine Receptor	Inflammation/Immunology Endocrinology
Pemirolast potassium (TWT-8152) is a histamine H1 antagonist and mast cell stabilizer that acts as an antiallergic agent.

HY-P2442

Bombolitin V	Bacterial	Others
Bombolitin V is a potent antimicrobial peptide with an ED ⁵⁰ value of 2 micrograms/ml in causing mast cell degranulation .

HY-P4580

Suc-Ala-Ala-Pro-Phe-SBzl	Proteasome	Others
Suc-Ala-Ala-Pro-Phe-SBzl can be used as the substrate of rat intestinal mast cell protease (RMCP I), rat skeletal muscle mast cell protease (RMCP II) and Chymotrypsin (HY-108910). Suc-Ala-Ala-Pro-Phe-SBzl can be hydrolyzed by glycine (R208G) .

HY-N2095

Atractylone Atractylon	Influenza Virus	Infection Inflammation/Immunology
Atractylone (Atractylon) is a sesquiterpenoid extracted from Atractylodis Rhizoma. Atractylone (Atractylon) alleviates influenza A virus (IAV)-induced lung injury via regulating the TLR7 signaling pathway, and acts as a promising agent for IAV treatment. Atractylone (Atractylon) inhibits the degranulation of mast cell and exhibits potential for the treatment of mast cell-mediated allergic reactions .

HY-N8593S

Undecane-d24	TNF Receptor	Infection
Undecane-d₂₄ is the deuterium labeled Undecane[1]. Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α[2].

HY-N8593R

Undecane (Standard)	TNF Receptor	Infection
Undecane (Standard) is the analytical standard of Undecane. This product is intended for research and analytical applications. Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α[

HY-16289

Lodoxamide tromethamine U-42585E	Histamine Receptor	Inflammation/Immunology Endocrinology
Lodoxamide tromethamine (U-42585E) is a medication for the treatment of prophylaxis of mast cell-mediated allergic disease.

HY-100269

Chymase-IN-1	Proteasome	Inflammation/Immunology
Chymase-IN-1 is a potent, selective, orally active, nonpeptide inhibitor of human mast cell chymase with an IC₅₀ of 29 nM.

HY-W062109S

Olopatadine-d6	Histamine Receptor Endogenous Metabolite	Inflammation/Immunology
Olopatadine-d₆ is the deuterium labeled Olopatadine[1]. Olopatadine is an orally active and selective histamine 1 (H1) receptor antagonist and a mast cell stabilizer. Olopatadine prevents immunologically stimulated pro-inflammatory mediator release from human conjunctival mast cells. Olopatadine can be used for researching allergic conjunctivitis[2][3].

HY-B1404

Nylidrin hydrochloride Buphenine hydrochloride	Histamine Receptor	Inflammation/Immunology
Nylidrin hydrochloride is an inhibitor of IgE-mediated histamine release in passive sensitized rat peritoneal mast cells, and it has anti-allergic effects.

HY-N15230

Torososide B	Leukotriene Receptor	Inflammation/Immunology
Torososide B is an antiallergic compound that inhibits calcium ionophore A-induced leukotriene release from rat peritoneal mast cells .

HY-14270

Lodoxamide U-42585E free acid	Histamine Receptor	Inflammation/Immunology Endocrinology
Lodoxamide (U-42585E free acid) is an antiallergic compound acting as a mast-cell stabilizer for the treatment of asthma and allergic conjunctivitis.

Cat. No.	Product Name	Type

HY-D0220A

Toluidine Blue (purity 36%)

Toluidine Blue O (purity 36%)

Dyes

Toluidine Blue (Toluidine Blue O) purity 36% is an alkaline quinonimine dye (vivo dye) with high affinity for acidic tissue components, staining nuclei blue and polysaccharides purple. Toluidine Blue purity 36% shows heterostaining properties for mast cells, mucins and chondrocytes. Toluidine Blue purity 36% can stain different components of plant tissues and cells in different colours. Toluidine Blue purity 36% is also used as a diagnostic aid to identify malignant lesions, such as cancer .

HY-W250143

Toluidine blue (ZnCl2)

Dyes

Toluidine blue (ZnCl2) is a basic thiazine dye commonly used as a biological stain for microscopy. It has a deep bluish-purple color and is commonly used to stain nucleic acids such as DNA and RNA, as well as to stain mast cells, cartilage, and other connective tissues. Toluidine blue (ZnCl2) stains the acidic components of these tissues, such as sulfated or carboxylated mucopolysaccharides. It is frequently used in histology, cytology, and pathology applications to aid in the diagnosis of various diseases and conditions. The dye is usually applied to tissue sections prior to microscopic examination and can be differentiated using an acidic alcohol solution. Toluidine blue (ZnCl2) is a relatively simple and inexpensive stain with good reproducibility, making it a popular choice for many laboratories.

Cat. No.	Product Name	Type

HY-Y0320C

Dimethyl sulfoxide

DMSO

Co-solvents

Dimethyl sulfoxide (DMSO) is an aprotic solvent that can dissolve water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and has the ability to rapidly penetrate or enhance the penetration of other substances through biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity .
Low endotoxin, can be used in various biochemical experiments such as drug dissolution.

HY-Y0320

Dimethyl sulfoxide, meets analytical specification of Ch.P.

185+ Cited Publications

DMSO, meets analytical specification of Ch.P.

Co-solvents

Dimethyl sulfoxide (DMSO), meets analytical specification of Ch.P. is an aprotic solvent that dissolves polar and non-polar compounds, including water-insoluble therapeutic and toxic agents. Dimethyl sulfoxide (DMSO) has a strong affinity for water and can rapidly penetrate or enhance the penetration of other substances into biological membranes. Dimethyl sulfoxide also has potential free radical scavenging and anticholinesterase effects and may affect coagulation activity. Dimethyl sulfoxide also induces histamine release from mast cells but is thought to have low systemic toxicity. Dimethyl sulfoxide also exhibits antifreeze and antibacterial properties .
MCE provides Dimethyl sulfoxide that complies with the inspection standards (Ch.P) of Part 4 of the Chinese Pharmacopoeia (2020 Edition). Amicrobic, low endotoxin, can be used in various biochemical experiments such as drug dissolution.

HY-E70177

N-Deacetylase/N-Sulfotransferase 2 EC:2.8.2.8; NDST2; N-HSST 2	Enzyme Substrates
N-Deacetylase/N-Sulfotransferase 2 is a sulfotransferase. N-Deacetylase/N-Sulfotransferase 2 synthesizes serglycin-bound heparin chains in mast cells .

Cat. No.	Product Name	Target	Research Area

HY-12537

Peptide 401	Histamine Receptor 5-HT Receptor	Inflammation/Immunology Endocrinology
Peptide 401, a potent mast cell degranulating factor from bee venom, suppresses the increased vascular permeability due to intradermal injection of various smooth muscle spasmogens (histamine, and 5-HT).

HY-P5717

Peptide 12d	Peptides	Infection
Peptide 12d is an antimicrobial peptide isolated from the venom of wasp. Peptide 12d mediates antimicrobial response by stimulating mast cell degranulation .

HY-P1807

Mast Cell Degranulating Peptide HR-2	Histamine Receptor	Inflammation/Immunology
Mast Cell Degranulating Peptide HR-2, a 14-membered linear peptide isolated from the venom of the giant hornet Vespa orientalis, is capable of degranulating mast cells and thus initiating histamine release .

HY-P2706

Granuliberin R	Histamine Receptor	Endocrinology
Granuliberin R is a new mast cell degranulating peptide comes from amphibian, can be isolated from the skin of frog Rana rugosa. Granuliberin R is a dodecapeptide, can act on rat peritoneal mast cell to liberate granules and release histamine .

HY-P2442

Bombolitin V	Bacterial	Others
Bombolitin V is a potent antimicrobial peptide with an ED ⁵⁰ value of 2 micrograms/ml in causing mast cell degranulation .

HY-P4580

Suc-Ala-Ala-Pro-Phe-SBzl	Proteasome	Others
Suc-Ala-Ala-Pro-Phe-SBzl can be used as the substrate of rat intestinal mast cell protease (RMCP I), rat skeletal muscle mast cell protease (RMCP II) and Chymotrypsin (HY-108910). Suc-Ala-Ala-Pro-Phe-SBzl can be hydrolyzed by glycine (R208G) .

HY-P1987

Mast cell degranulating peptide (28-49)	Calcium Channel	Neurological Disease
Mast cell degranulating peptide (28-49) is a depolarizing agent from bee venom, it can raise the content of cGMP level in mouse cerebellar slices .

HY-P5727

HR1	Bacterial	Infection
HR1 is a mastoid protease. HR1 can increase the permeability of human erythrocyte membrane. HR1 can induce cytoplasmic membrane permeation in bacteria and mast cells .

HY-P3006

Des-Leu10-angiotensin I	Drug Metabolite	Cardiovascular Disease
Des-Leu10-angiotensin I is a nonapeptide that inhibits rabbit lung angiotensin-converting enzyme peptidyl-dipeptide hydrolase with a K_i value of 31 μM, which is generated from angiotensin I by the action of carboxypeptidase-like activities residing in the human platelet and mast cell .

HY-P3837

Xenopsin-Related Peptide 2 XP-2	Peptides	Metabolic Disease
Xenopsin-Related Peptide 2 (XP-2) is an avian counterpart to amphibian Xenopsin (HY-P0253). Xenopsin-Related Peptide 2 displays abilities to release histamine from isolated rat mast cells and is as effective as synthetic Bradykinin (HY-P0206) .

HY-106178

PMX-53 4 Publications Verification 3D53	Complement System	Cardiovascular Disease Inflammation/Immunology Cancer
PMX-53 (3D53) is a synthetic peptidic and a potent and orally active complement C5a receptor (CD88) antagonist with an IC₅₀ of 20 nM. PMX-53 is also a low-affinity MrgX2 agonist that stimulates MrgX2-mediated mast cell degranulation. PMX-53 specifically binds to C5aR1 and does not bind to the second C5aR (C5L2) and C3aR. PMX-53 has anti-inflammatory, anticancer and antiatherosclerotic effects .

HY-P5357

SFNGGP-NH2	Protease Activated Receptor (PAR)	Others
SFNGGP-NH2 is a biological active peptide. (PAR-3 is a high-affinity thrombin receptor. PAR-3 mRNA is expressed in the cutaneous mast cells of humans. Protease-Activated Receptors (PARs) have been studied for their roles in itch and their itch-associated response through histamine-dependent/independent pathways have been reported. PAR-3 has been shown not to induce itching alone but possibly in conjunction with PAR-4. Co-expression of PAR-3 and PAR-4 enhances thrombin action suggesting that PAR-3 alone does not mediate transmembrane signaling but instead functions as a cofactor to activate PAR-4.)

Cat. No.	Product Name	Target	Research Area

HY-P99193

Enokizumab MEDI-528	Interleukin Related	Inflammation/Immunology
Enokizumab (MEDI-528) is a monoclonal antibody targeting to interleukin (IL)-9. IL-9 regulates the development of airway inflammation, mucus production, airway hyperresponsiveness, and airway fibrosis largely by increasing mast cell numbers and activity in the airways .

HY-P99371

Lirentelimab AK002; Antolimab	Apoptosis	Inflammation/Immunology
Lirentelimab (AK002) is a humanized IgG1 monoclonal antibody that targets sialic acid-binding Ig-like lectin 8 (SIGLEC8). Lirentelimab induces cell apoptosis of IL-5-activated eosinophils and inhibits IgE-mediated mast cell activation. Lirentelimab can be used for the research of eosinophilic gastritis and duodenitis .

HY-P99462

Barzolvolimab CDX-0159; CDX-0158	c-Kit	Inflammation/Immunology
Barzolvolimab (CDX 0159) is a humanized anti-KIT IgG1 monoclonal antibody. Barzolvolimab specificity and potently inhibits KIT activation by SCF. Barzolvolimab can reduce skin mast cells and disease activity in chronic inducible urticaria .

HY-P99641

Gilvetmab	PD-1/PD-L1	Cancer
Gilvetmab is a potent caninized anti-PD-1 monoclonal antibody. Gilvetmab blocks the interaction between PD-1 and its ligand PD-L1/L2. Gilvetmab can be used in malignant melanoma and mast cell tumor research .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-W062109

Olopatadine	Structural Classification Alkaloids Classification of Application Fields Other Alkaloids Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields	Endogenous Metabolite Histamine Receptor
Olopatadine is an orally active and selective histamine 1 (H₁) receptor antagonist and a mast cell stabilizer. Olopatadine prevents immunologically stimulated pro-inflammatory mediator release from human conjunctival mast cells. Olopatadine can be used for researching allergic conjunctivitis .

HY-122295

Dehydroleucodine	Structural Classification other families Artemisia douglasiana Classification of Application Fields Source classification Plants Inflammation/Immunology Disease Research Fields	Apoptosis
Dehydroleucodine is a sesquiterpene lactone isolated from Artemisia douglasiana. Dehydroleucodine is a mast cell stabilizer that inhibits tmast cell degranulation induced by compound 48/80. Dehydroleucodine inudces cells apoptosis, and has gastric ulcer inhibition and antileukemic effects .

HY-N7885

(25R)-Spirost-4-ene-3,12-dione (-)-(25R)-Spirost-4-ene-3,12-dione	Natural Products Polygonum chinense Linn. Polygonaceae Source classification Plants	Others
(25R)-Spirost-4-ene-3,12-dione ((-)-(25R)-Spirost-4-ene-3,12-dione) is a natural product that has an inhibitory effect on neutrophil superoxide anion production and histamine release from mast cells .

HY-B0157A

Ketotifen fumarate 3 Publications Verification HC 20511 fumarate	Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields	Histamine Receptor Endogenous Metabolite SARS-CoV Influenza Virus
Ketotifen (HC 20-511) fumarate is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen fumarate can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen fumarate also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen fumarate can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-B0157

Ketotifen 3 Publications Verification HC 20-511	Infection Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields Endocrinology	Endogenous Metabolite Histamine Receptor SARS-CoV Influenza Virus
Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-N14978

Eurocidin D	Structural Classification Natural Products Microorganisms Antibiotics Source classification	Antibiotic
Eurocidin D is a cyclic peptide antibiotic. Eurocidin D can inhibit the degranulation of rat mast cells .

HY-N14981

Eurocidin E	Structural Classification Microorganisms Macrolide Antibiotics Antibiotics Source classification	Antibiotic
Eurocidin E is an antibiotic. Eurocidin E can inhibit the degranulation and the release of histamine in rat mast cells .

HY-N3007A

(E)-Naringenin chalcone	Structural Classification Phenols Polyphenols Solanum lycopersicum L. Solanaceae Plants	Others
(E)-Naringenin chalcone is an orally active anti-allergic agent. (E)-Naringenin chalcone also has antioxidant, anti-inflammatory activities. (E)-Naringenin chalcone can improve adipocyte functions. (E)-Naringenin chalcone inhibits histamine release from rat peritoneal mast cell .

HY-B0157R

Ketotifen (Standard)	Structural Classification Natural Products Source classification Endogenous metabolite	Endogenous Metabolite Histamine Receptor SARS-CoV Influenza Virus
Ketotifen (Standard) is the analytical standard of Ketotifen. This product is intended for research and analytical applications. Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-B0157AR

Ketotifen (fumarate) (Standard)	Structural Classification Natural Products Source classification Endogenous metabolite	Histamine Receptor Endogenous Metabolite SARS-CoV Influenza Virus
Ketotifen (fumarate) (Standard) is the analytical standard of Ketotifen (fumarate). This product is intended for research and analytical applications. Ketotifen (HC 20-511) fumarate is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen fumarate can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen fumarate also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen fumarate can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

HY-N11691

Thapsigargicin Thapsigargicine	Structural Classification Terpenoids Source classification Diterpenoids Plants Umbelliferae Bellis perennis L.	Others
Thapsigargicin (Thapsigargicine) is a activator of mast cells and leukocytes. Thapsigargicin induces histamine release from rat peritoneal mast cells and human basophil leukocytes. Thapsigargicin increases the cytoplasmic free calcium level in intact human blood platelets .

HY-N8593

Undecane	Infection Natural Products Microorganisms Classification of Application Fields Source classification Disease Research Fields	TNF Receptor
Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α ^[

HY-N4207

Cnidicin	Structural Classification Classification of Application Fields Source classification Other Diseases Coumarins Phenylpropanoids Umbelliferae Plants Disease Research Fields Echinacea angustifolia DC.	Others
Cnidicin, a coumarin, inhibits the degranulation of mast cell and the nitric oxide (NO) generation in RAW 264.7 cells .

HY-N2095

Atractylone Atractylon	Structural Classification Classification of Application Fields Terpenoids Sesquiterpenes Source classification Plants Compositae Inflammation/Immunology Disease Research Fields Erythrina sigmoidea Hua	Influenza Virus
Atractylone (Atractylon) is a sesquiterpenoid extracted from Atractylodis Rhizoma. Atractylone (Atractylon) alleviates influenza A virus (IAV)-induced lung injury via regulating the TLR7 signaling pathway, and acts as a promising agent for IAV treatment. Atractylone (Atractylon) inhibits the degranulation of mast cell and exhibits potential for the treatment of mast cell-mediated allergic reactions .

HY-N8593R

Undecane (Standard)	Structural Classification Natural Products Microorganisms Source classification	TNF Receptor
Undecane (Standard) is the analytical standard of Undecane. This product is intended for research and analytical applications. Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α[

HY-N15230

Torososide B	Structural Classification Polysaccharides Cassia obtusifolia L. Source classification Caesalpiniaceae Plants Saccharides	Leukotriene Receptor
Torososide B is an antiallergic compound that inhibits calcium ionophore A-induced leukotriene release from rat peritoneal mast cells .

HY-N4207R

Cnidicin (Standard)	Structural Classification Source classification Coumarins Phenylpropanoids Umbelliferae Plants Echinacea angustifolia DC.	Others
Cnidicin (Standard) is the analytical standard of Cnidicin. This product is intended for research and analytical applications. Cnidicin, a coumarin, inhibits the degranulation of mast cell and the nitric oxide (NO) generation in RAW 264.7 cells .

HY-N12295

Ciwujianoside D1	Triterpenes Structural Classification Polysaccharides Terpenoids Source classification Acanthopanax senticosus (Rupr. et Maxim.) Harms Plants Saccharides Araliaceae	Others
Ciwujianoside D1 is a natural product that can inhibit histamine release induced by anti-immunoglobulin E from rat peritoneal mast cells .

HY-P1987

Mast cell degranulating peptide (28-49)	Structural Classification Natural Products Animals Source classification	Calcium Channel
Mast cell degranulating peptide (28-49) is a depolarizing agent from bee venom, it can raise the content of cGMP level in mouse cerebellar slices .

HY-137787R

Cyanosafracin B (Standard)	Microorganisms Marine natural products Source classification	Drug Intermediate
Nylidrin (hydrochloride) (Standard) is the analytical standard of Nylidrin (hydrochloride). This product is intended for research and analytical applications. Nylidrin hydrochloride is an inhibitor of IgE-mediated histamine release in passive sensitized rat peritoneal mast cells, and it has anti-allergic effects.

$Cyanosafracin B (Standard)$

HY-N15423

Acrophylline	Structural Classification Alkaloids Acronychia haplophylla Other Alkaloids Source classification Rutaceae Plants	Others
Acrophylline is an antiallergic compound. Acrophylline inhibits mast cell degranulation. Acrophylline reduces the plasma leakage in mouse ear in a passive cutaneous anaphylactic (PCA) reaction. Acrophylline is an alkaloid can be isolated from acronychia haplophylla .

HY-N12254

Natsudaidain	Structural Classification Flavonols Flavonoids Source classification Rutaceae Citrus japonica Thunb. Plants	p38 MAPK
Natsudaidain is a kind of polymethoxyflavone. Natsudaidain can be isolated from Citrus plants. Natsudaidain inhibits tumor necrosis factor-α and cyclooxygenase-2 production n by suppressing p38 MAPK phosphorylation on mast cells .

HY-110013

Terreic acid	Microorganisms Source classification	Btk Antibiotic
Terreic acid, a quinone epoxide antibiotic, acts as an effective Btk inhibitor. Terreic acid blocks the interaction between PKC and the pleckstrin homology domain of Btk. Terreic acid inhibits the binding of GST-BtkPH to PKC in lysates of HMC-1 human mast cells with an IC₅₀ of approximately 100 μM .

HY-124257

(R)-Citronellol D-Citronellol; (R)-(+)-β-Citronellol	Structural Classification Other Monoterpenes Classification of Application Fields Terpenoids Source classification Pelargonium hortorum Plants Endogenous metabolite Geraniaceae Inflammation/Immunology Disease Research Fields	Endogenous Metabolite
(R)-Citronellol (D-Citronellol) is an alcoholic monoterpene found in geranium essential oil. (R)-Citronellol inhibits degranulation of mast cells and does not affect caffeine bitterness perception. (R)-Citronellol can be used in decorative cosmetics, toiletries as well as in non-cosmetic products .

HY-N10182

Spinacetin	Phyllodium pulchellum (L.) Desv. Structural Classification Flavonols Flavonoids Source classification Plants Compositae	Histamine Receptor
Spinacetin is a natural product that can be isolated from Inula japonica. Spinacetin inhibits the release of histamine. Spinacetin has anti-inflammatory activity .

HY-N3421

Koaburaside	Structural Classification Eucommia ulmoides Oliver Source classification Eucommiaceae Plants Saccharides Monosaccharides	Interleukin Related TNF Receptor Influenza Virus
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits histamine release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-N0701

(-)-Asarinin	Asarum sieboldii Miq. Structural Classification Classification of Application Fields Source classification Lignans Phenylpropanoids Plants Aristolochiaceae Disease Research Fields Cancer	Apoptosis Reactive Oxygen Species STAT Src Stearoyl-CoA Desaturase (SCD) Bacterial
(-)-Asarinin is a tetrahydrofurofurano lignan with various biological activities. (-)-Asarinin induces apoptosis in cancer cells. (-)-Asarinin promotes mitochondrial ROS accumulation, inhibits the STAT3 signaling pathway and induces apoptosis in precancerous cells. (-)-Asarinin is a Src family kinase inhibitor that suppresses mast cell activation. (-)-Asarinin is a non-competitive Δ5-desaturase inhibitor with a K_i of 0.28 mM. (-)-Asarinin possesses pain relief, anti-viral, anti-allergic and anti-tuberculous bacilli, and anti-tumor effects .

HY-N4126

6-Demethoxytangeretin	Structural Classification Neurological Disease Classification of Application Fields Flavones Source classification Rutaceae Plants Citrus reticulata Blanco Flavonoids other families Inflammation/Immunology Disease Research Fields Cancer	Anaplastic lymphoma kinase (ALK) p38 MAPK Interleukin Related ERK JNK JAK STAT Akt
6-Demethoxytangeretin is a flavonoid compound that can be isolated from Citrus reticulata. 6-Demethoxytangeretin has anti-inflammatory and anti-allergic activities and can inhibit the production of IL-6 and the expression of related genes in human mast cells through the ALK and MAPK pathways. 6-Demethoxytangeretin can promote CRE-mediated transcription in hippocampal neurons .

HY-N4282

8-Hydroxy-7-methoxycoumarin	Structural Classification Natural Products Monophenols Classification of Application Fields Alkekengi officinarum var. franchetii (Mast.) R.J.Wang Source classification Other Diseases Phenols Solanaceae Plants Disease Research Fields	Others
8-Hydroxy-7-methoxycoumarin is a phenylpropanoid isolated from the calyxes of Physalis alkekengi L. var. franchetii (Mast.) Makino. 8-Hydroxy-7-methoxycoumarin shows cytotoxicity against GLC4 and COLO 320 cancer cell after continuous incubation (4 days) with IC₅₀s of 179 μM and 145 μM .

HY-N0078

Ginkgolic Acid (C13:0) Ginkgolic acid (13:0); Ginkgoneolic Acid; 6-Tridecylsalicylic acid	Infection Structural Classification Monophenols Ginkgoaceae Classification of Application Fields Ketones, Aldehydes, Acids Source classification Phenols Plants Ginkgo biloba Disease Research Fields	Bacterial PI3K Parasite
Ginkgolic Acid (C13:0) (Ginkgoneolic Acid) is an anti-cariogenic agent and a PI3Kδ inhibitor (IC₅₀: 2.49 μM). Ginkgolic Acid (C13:0) exhibits antibacterial and anti-parasitic activities. Ginkgolic Acid (C13:0) can also inhibit mast cell degranulation (IC₅₀: 2.40 μM) .

HY-N0631

Cornuside 4 Publications Verification	Structural Classification Iridoids Cornaceae Classification of Application Fields Cornus officinalis Sieb. et Zucc. Terpenoids Source classification Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields	p38 MAPK NF-κB
Cornuside is a secoiridoid glucoside isolated from the fruit of Cornus officinalis Sieb. et Zucc., which is a traditional oriental medicine for treating inflammatory diseases and invigorating blood circulation. Cornuside inhibits mast cell-mediated allergic response by down-regulating MAPK and NF-κB signaling pathways. Cornuside has anti-allergic effects in vivo and in vitro which suggests a therapeutic application of this agent in inflammatory allergic diseases .

HY-N0701R

(-)-Asarinin (Standard)	Asarum sieboldii Miq. Structural Classification Source classification Lignans Phenylpropanoids Plants Aristolochiaceae	Apoptosis Reactive Oxygen Species STAT Src Stearoyl-CoA Desaturase (SCD) Bacterial
(-)-Asarinin (Standard) is the analytical standard of (-)-Asarinin (HY-N0701). This product is intended for research and analytical applications. (-)-Asarinin is a tetrahydrofurofurano lignan with various biological activities. (-)-Asarinin induces apoptosis in cancer cells. (-)-Asarinin promotes mitochondrial ROS accumulation, inhibits the STAT3 signaling pathway and induces apoptosis in precancerous cells. (-)-Asarinin is a Src family kinase inhibitor that suppresses mast cell activation. (-)-Asarinin is a non-competitive Δ5-desaturase inhibitor with a K_i of 0.28 mM. (-)-Asarinin possesses pain relief, anti-viral, anti-allergic and anti-tuberculous bacilli, and anti-tumor effects.

HY-103183R

CV1808 (Standard) 2-Phenylaminoadenosine (Standard)	Structural Classification Natural Products Source classification Endogenous metabolite	Adenosine Receptor Endogenous Metabolite
CV1808 (Standard) is the analytical standard of CV1808. This product is intended for research and analytical applications. CV1808?(2-Phenylaminoadenosine) is a non-selective A2?adenosine receptor (A2 AR) agonist with Kis of 76 and 1450 nM for A2A and A3 adenosine receptor subtypes, respectively[1].

HY-103183

CV1808 2-Phenylaminoadenosine	Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields	Adenosine Receptor Endogenous Metabolite
CV1808 (2-Phenylaminoadenosine) is a non-selective A2 adenosine receptor (A2 AR) agonist with K_is of 76 and 1450 nM for A2A and A3 adenosine receptor subtypes, respectively .

HY-120149

Inotodiol	Structural Classification Natural Products Microorganisms Classification of Application Fields Source classification Disease Research Fields Cancer	Toll-like Receptor (TLR) MDM-2/p53 MMP Caspase SOD p38 MAPK NF-κB Apoptosis
Inotodiol activates p53 signaling pathway, inhibits MMP-2/9, and exhibits antitumor activity in cancer cell HeLa. Inotodiol inhibits the generation of ROS and exhibits antioxidant and neuroprotective effects. Inotodiol inhibits the activation of MAPK and NF-κB signaling pathway, and exhibits anti-inflammatory activity. Inotodiol inhibits TLR-4 mediated TNF-α production (IC₅₀s in BMMC and BMDM is 0.7 μM and 3.0 μM), inhibits the degranulation in mast cell, exhibits anti-allergic activity. Inotodiol is orally active .

HY-N0631R

Cornuside (Standard)	Structural Classification Iridoids Cornaceae Cornus officinalis Sieb. et Zucc. Terpenoids Source classification Phenols Polyphenols Plants	p38 MAPK NF-κB
Cornuside (Standard) is the analytical standard of Cornuside. This product is intended for research and analytical applications. Cornuside is a secoiridoid glucoside isolated from the fruit of Cornus officinalis Sieb. et Zucc., which is a traditional oriental medicine for treating inflammatory diseases and invigorating blood circulation. Cornuside inhibits mast cell-mediated allergic response by down-regulating MAPK and NF-κB signaling pathways. Cornuside has anti-allergic effects in vivo and in vitro which suggests a therapeutic application of this agent in inflammatory allergic diseases .

HY-N0078R

Ginkgolic Acid (C13:0) (Standard) Ginkgolic acid (13:0) (Standard); Ginkgoneolic Acid (Standard); 6-Tridecylsalicylic acid (Standard)	Structural Classification Monophenols Ginkgoaceae Ketones, Aldehydes, Acids Source classification Phenols Plants Ginkgo biloba	Bacterial PI3K Parasite
Ginkgolic Acid (C13:0) (Standard) is the analytical standard of Ginkgolic Acid (C13:0) (HY-N0078). This product is intended for research and analytical applications. Ginkgolic Acid (C13:0) (Ginkgoneolic Acid) is an anti-cariogenic agent and a PI3Kδ inhibitor (IC₅₀: 2.49 μM). Ginkgolic Acid (C13:0) exhibits antibacterial and anti-parasitic activities. Ginkgolic Acid (C13:0) can also inhibit mast cell degranulation (IC₅₀: 2.40 μM) .

HY-N7292

Bakkenolide B	Other Terpenoids Structural Classification Classification of Application Fields Terpenoids Source classification Plants Compositae Piptadenia Benth. Inflammation/Immunology Disease Research Fields	Others
Bakkenolide B is isolated from petasites japonicas leaves and has anti-allergic and anti-inflammatory effects. Bakkenolide B can be used for the study of asthma .

HY-114203

Eckol	Eisenia bicyclis Structural Classification other families Source classification Phenols Polyphenols Plants	Monoamine Oxidase Influenza Virus
Eckol is a potent hMAO-A (Mixed) and hMAO-B (non-competitive) inhibitor with IC₅₀s of 7.20 and 83.44 μM, respectively. Eckol shows stimulatory effects in maize and can be used as a plant biostimulant. Eckol also shows antiallergic and antiviral effects .

Cat. No.	Product Name	Chemical Structure

HY-B0157AS

Ketotifen-d3 fumarate
Ketotifen-d₃ (fumarate) is the deuterium labeled Ketotifen fumarate. Ketotifen (HC 20511) fumarate is a second-generation noncompetitive H1-antihistamine and mast cell stabilizer, which is used to prevent asthma attacks[1][2].

HY-10330S

Toceranib-d8
Toceranib-d₈ is the deuterium labeled Toceranib. Toceranib (SU11654) is an orally active receptor tyrosine kinase (RTK) inhibitor, and it potently inhibits PDGFR, VEGFR, and Kit with Kis of 5 and 6 nM for PDGFRβ and Flk-1/KDR, respectively. Toceranib (SU11654) has antitumor and antiangiogenic activity, and used in the treatment of canine mast cell tumors[1][2].

HY-N8593S

Undecane-d24
Undecane-d₂₄ is the deuterium labeled Undecane[1]. Undecane has anti-allergic and anti-inflammatory activities on sensitized rat basophilic leukemia (RBL-2H3) mast cells and HaCaT keratinocytes. In sensitized mast cells, Undecane inhibits degranulation and the secretion of histamine and TNF-α[2].

HY-W062109S

Olopatadine-d6
Olopatadine-d₆ is the deuterium labeled Olopatadine[1]. Olopatadine is an orally active and selective histamine 1 (H1) receptor antagonist and a mast cell stabilizer. Olopatadine prevents immunologically stimulated pro-inflammatory mediator release from human conjunctival mast cells. Olopatadine can be used for researching allergic conjunctivitis[2][3].

HY-B1619S

Cromoglicic acid-d5
Cromoglicic acid-d₅ is the deuterium labeled Cromolyn[1]. Cromolyn is a mast cell stabilizer. Cromolyn has the potential for the research of bronchial asthma, allergic rhinitis, and certain allergic eye conditions such as vernal conjunctivitis, keratitis, and keratoconjunctivitis[2].

HY-B0640S

Epinastine-13C,d3 hydrobromide
Epinastine- ¹³C,d₃ (hydrobromide) is the ¹³C- and deuterium labeled Epinastine. Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action[1][2][3][4].

HY-124356AS

Alcaftadine carboxylic acid-d3 sodium

Alcaftadine carboxylic acid-d₃ (sodium) is deuterium labeled Alcaftadine carboxylic acid. Alcaftadine carboxylic acid is a broad-spectrum antihistamine compound with high affinity for histamine H1 and H2 receptors and low affinity for H4 receptors. Alcaftadine carboxylic acid has also demonstrated effects on modulating immune cell recruitment and stabilizing mast cells. Alcaftadine carboxylic acid is more effective than placebo in preventing ocular itching associated with allergic conjunctivitis and is at least as effective as olopatadine 0.01% .

HY-B0157S1

Ketotifen-d3

Ketotifen-d₃ (HC 20-511-d₃) is deuterium labeled Ketotifen. Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention .

Cat. No.	Product Name		Classification