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Isoforms Recommended:	CYP1

Results for "

CYP1A1

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Akt (1) AMPK (1) Androgen Receptor (3) Apoptosis (2) Aryl Hydrocarbon Receptor (18) Autophagy (3) Bacterial (1) Biochemical Assay Reagents (3) Checkpoint Kinase (Chk) (1) CRFR (1) Cytochrome P450 (64) Drug Intermediate (1) E3 Ligase Ligand-Linker Conjugates (1) Endogenous Metabolite (5) ERK (2) Estrogen Receptor/ERR (3) Fungal (2) GABA Receptor (3) HBV (1) Isotope-Labeled Compounds (6) Ligands for Target Protein for PROTAC (1) NF-κB (1) NO Synthase (2) Parasite (2) PI3K (1) PROTAC Linkers (1) PROTACs (2) Quinone Reductase (1) Reference Standards (10) Small Interfering RNA (siRNA) (6) Thyroid Hormone Receptor (3) VEGFR (1)
By Research Areas:	Cancer (42) Cardiovascular Disease (4) Endocrinology (3) Infection (5) Inflammation/Immunology (3) Metabolic Disease (15) Neurological Disease (6)
Click Chemistry:	Alkynes (1)
Oligonucleotides:	Rat Pre-designed siRNA Sets (2) Mouse Pre-designed siRNA Sets (2) Human Pre-designed siRNA Sets (2) siRNAs (6)

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Oligonucleotides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0145

7-Ethoxyresorufin 1 Publications Verification Resorufin ethyl ether	Cytochrome P450 NO Synthase	Others
7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially *CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase* .

HY-120377

CYP1A1 inhibitor 8a	HBV	Cancer
CYP1A1 inhibitor 8a is a compound that potently and selectively inhibits the CYP1A1 enzyme and has the potential to prevent cancer. CYP1A1 inhibitor 8a exhibits more than 10-fold selectivity for CYP1A1 and more than 100-fold selectivity over other enzymes in the CYP1 subfamily. CYP1A1 inhibitor 8a can effectively antagonize B[a]P-mediated activation of the aryl hydrocarbon receptor (AhR) in yeast cells and protect human cells from CYP1A1-mediated B[a]P toxicity. CYP1A1 inhibitor 8a has the potential to be developed as a cancer chemopreventive agent .

HY-RS16737

Cyp1a1 Mouse Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
Cyp1a1 Mouse Pre-designed siRNA Set A contains three designed siRNAs for Cyp1a1 gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.

Cyp1a1 Mouse Pre-designed siRNA Set A Cyp1a1 Mouse Pre-designed siRNA Set A

HY-RS23174

Cyp1a1 Rat Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
Cyp1a1 Rat Pre-designed siRNA Set A contains three designed siRNAs for Cyp1a1 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.

Cyp1a1 Rat Pre-designed siRNA Set A Cyp1a1 Rat Pre-designed siRNA Set A

HY-RS03441

CYP1A1 Human Pre-designed siRNA Set A	Small Interfering RNA (siRNA)	Others
CYP1A1 Human Pre-designed siRNA Set A contains three designed siRNAs for CYP1A1 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

CYP1A1 Human Pre-designed siRNA Set A CYP1A1 Human Pre-designed siRNA Set A

HY-174333

CYP1A1-IN-1	Bacterial Cytochrome P450	Infection Cardiovascular Disease
CYP1A1-IN-1 (Compound 47) is a small-molecule cytochrome P4501A1 (CYP1A1) inhibitor. CYP1A1-IN-1 reduces the bacterial loads of methicillin-resistant Staphylococcus aureus (MRSA) and Acinetobacter baumannii by enhancing macrophage phagocytosis. CYP1A1-IN-1 is promising for research of sepsis caused by multidrug-resistant (MDR) bacteria .

HY-E70468

*Human CYP1A1,High-Reductase*	Cytochrome P450	Metabolic Disease
Human CYP1A1, High-Reductase, a recombinant CYP1A1, is one of the most important cytochrome P450 (CYP) enzymes. Human CYP1A1, High-Reductase is involved in the metabolism of several genotoxic/carcinogenic environmental xenobiotics .

HY-E70472

*Human CYP1A1,Low-Reductase*	Cytochrome P450	Metabolic Disease
Human CYP1A1, High-Reductase, a recombinant CYP1A1, is one of the most important cytochrome P450 (CYP) enzymes. Human CYP1A1, High-Reductase is involved in the metabolism of several genotoxic/carcinogenic environmental xenobiotics .

HY-148595

Antitumor agent-88	Cytochrome P450	Cancer
Antitumor agent-88 exhibits potent antimitotic activity and arrests cell in the G2/M phase. Antitumor agent-88 disrupts the microtubule and the cytoskeleton in CYP1A1-expressing breast cancer cells. Antitumor agent-88 is also a competitive inhibitor of *CYP1A1* (K_i: 1.4 μM) .

HY-N2689

(R)-6',7'-Dihydroxybergamottin (R)-6′,7′-DHB	Cytochrome P450	Cancer
(R)-6',7'-Dihydroxybergamottin ((R)-6′,7′-DHB) is a competitive inhibitor of human and rat *CYP1A1* activity with K_is of 55 μM and 1.72 μM, respectively. (R)-6',7'-Dihydroxybergamottin has the potential for cancer research .

HY-134217

KYN-101	Aryl Hydrocarbon Receptor	Cancer
KYN-101 is a potent, selective and orally active AHR inhibitor. KYN-101 decreases the CYP1A1 mRNA expression. KYN-101 shows anti-cancer activity .

HY-N2625A

Harmalol hydrochloride	Cytochrome P450	Cancer
Harmalol hydrochloride, a beta carboline alkaloid, presents in several medicinal plants such as Peganum harmala. Harmalol hydrochloride, main metabolite of Harmaline, significantly inhibits the dioxin-mediated induction of CYP1A1 at the transcriptional and posttranslational levels. Harmalol hydrochloride possesses antioxidant and hydroxyl radical-scavenging properties .

HY-N0922

Methysticin DL-Methysticin; (±)-Methystici	Cytochrome P450	Neurological Disease
Methysticin is a major kavalactone in kava extract to induce *CYP1A1*.

HY-N2194

Bergamottin 5+ Cited Publications 5-Geranoxypsoralen; Bergamotine; Bergaptin	Cytochrome P450	Cancer
Bergamottin is a potent and competitive *CYP1A1* inhibitor with a K_i of 10.703 nM.

HY-N4205R

Tetrahydropiperine (Standard)	Reference Standards Cytochrome P450	Cancer
Tetrahydropiperine (Standard) is the analytical standard of Tetrahydropiperine. This product is intended for research and analytical applications. Tetrahydropiperine, a cyclohexyl analogue of piperine, is the first natural aryl pentanamide from Piper longum . Tetrahydropiperine (compound 14) inhibits the cytochrome P450 (CYP) isoform CYP1A1/arylhydrocarbon hydroxylase (AHH; IC50=23 µM) .

HY-W008003

2-Hydroxybenzimidazole	Cytochrome P450	Others
2-Hydroxybenzimidazole is an inactive compound targeting *CYP1A1* and is mainly used as a control compound in the structure-activity relationship study of benzimidazole derivatives. 2-Hydroxybenzimidazole does not have the ability to induce CYP1A1 expression like its thiol or amino substituted derivatives .

HY-101284

DMU2105	Cytochrome P450	Cancer
DMU2105 is a potent and specific *CYP1B1* inhibitor, with IC₅₀s of 10 nM and 742 nM for CYP1B1 and CYP1A1, respectively.

HY-101285

DMU2139 1 Publications Verification	Cytochrome P450	Cancer
DMU2139 is a potent and specific *CYP1B1* inhibitor, with IC₅₀s of 9 nM and 795 nM for CYP1B1 and CYP1A1, respectively.

HY-N2625AR

Harmalol hydrochloride (Standard)	Reference Standards Cytochrome P450	Others
Harmalol (hydrochloride) (Standard) is the analytical standard of Harmalol (hydrochloride). This product is intended for research and analytical applications. Harmalol hydrochloride, a beta carboline alkaloid, presents in several medicinal plants such as Peganum harmala. Harmalol hydrochloride, main metabolite of Harmaline, significantly inhibits the dioxin-mediated induction of CYP1A1 at the transcriptional and posttranslational levels. Harmalol hydrochloride possesses antioxidant and hydroxyl radical-scavenging properties .

HY-N8382

Chalepensin	Cytochrome P450	Neurological Disease
Chalepensin, a furanocoumarin, is a competitive CYP2A6 inhibitor. Chalepensin also inhibits human CYP1A1, CYP1A2, CYP2A13, CYP2C9, CYP2D6, CYP2E1, and CYP3A4 to different extents .

HY-103223

Phortress NSC 710305	Cytochrome P450	Cancer
Phortress is a high affinity AhR ligand that elicits antitumor activity by inducing transcription of CYP1A1 .

HY-N0382

Galangin Maximum Cited Publications 14 Publications Verification Norizalpinin; 3,5,7-Trihydroxyflavone	Cytochrome P450 Autophagy	Cancer
Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of *CYP1A1* activity.

HY-N2194R

Bergamottin (Standard) 5-Geranoxypsoralen (Standard); Bergamotine (Standard); Bergaptin (Standard)	Reference Standards Cytochrome P450	Cancer
Bergamottin (Standard) is the analytical standard of Bergamottin. This product is intended for research and analytical applications. Bergamottin is a potent and competitive CYP1A1 inhibitor with a Ki of 10.703 nM.

HY-148592

Antitumor agent-87	Cytochrome P450	Cancer
Antitumor agent-87 is a potent antitumor agent. Antitumor agent-87 shows a high affinity for CYP1A1 with a K_i value of 0.23 µM. Antitumor agent-87 shows antiproliferative activity. Antitumor agent-87 induces cell cycle arrest at the G2/M phase. Antitumor agent-87 show antitumoral activity .

HY-128920

Phortress free base	Cytochrome P450	Cancer
Phortress free base (NSC 710305) is a P450 *CYP1A1*-activated antitumor prodrug with antitumor activity . Phortress free base leads to DNA damage and cell cycle arrest .

HY-E70476

*Human CYP1B1,Low-Reductase*	Cytochrome P450	Metabolic Disease
Human CYP1B1, Low-Reductase, a recombinant CYP1B1, is a member of the CYP enzyme family. CYP1B1 is constitutively expressed at some extrahepatic tissues, metabolizes a variety of the same, mostly planar, substrates for CYP1A1 and CYP1A2 .

HY-B2015

Carbosulfan	Cytochrome P450 Parasite	Infection
Carbosulfan inhibited relatively potently CYP3A4 and moderately CYP1A1/2 and CYP2C19 in pooled HLM (human livers).

HY-118216

Bitertanol Biloxazol	Fungal Cytochrome P450	Infection
Bitertanol (Biloxazol) is a potent antifungal agent. Bitertanol also is an *CYP1A1, CYP2B, and CYP3A* inducer in vivo and an *CYP1A* inhibitor in vitro .

HY-B0822

Fipronil	GABA Receptor Cytochrome P450 Apoptosis	Neurological Disease
Fipronil is a broad-spectrum insecticide effective against Lepidoptera species as well as thrips, locusts, ants, cockroaches, fleas and ticks. Fipronil selectively inhibits GABA receptor with IC₅₀s of 30 nM and 1600 nM for cockroach and rat GABA receptors, respectively. Glutamate-gated chloride channels (GluCls), which are present in cockroaches but not in mammals, are sensitive to the blocking effect of Fipronil. Fipronil also induces apoptosis in HepG2 cells and promotes the expression of CYP1A1 and CYP3A4 mRNA in human hepatocytes .

HY-N6264

26-Deoxyactein	Aryl Hydrocarbon Receptor ERK	Metabolic Disease
26-Deoxyactein is a constituent isolated from Cimicifuga racemosa, prevents TCDD-induced osteoblasts damage. 26-Deoxyactein inhibits increased AhR, CYP1A1 and ERK levels .

HY-N0382R

Galangin (Standard) Norizalpinin (Standard); 3,5,7-Trihydroxyflavone (Standard)	Reference Standards Cytochrome P450 Autophagy	Cancer
Galangin (Standard) is the analytical standard of Galangin. This product is intended for research and analytical applications. Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of *CYP1A1* activity.

HY-N0382S

Galangin-13C3	Isotope-Labeled Compounds Cytochrome P450 Autophagy	Cancer
Galangin- ¹³C₃ is the ¹³C-labeled Galangin. Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of CYP1A1 activity.

HY-14225

BMS-764459	CRFR Cytochrome P450	Neurological Disease
BMS-764459 is a CRF1 antagonist. BMS-764459 can be used for the research of neurological disorders such as depression and anxiety. BMS-764459 is also an atypical *CYP1A1* inducer .

HY-D0932

Sudan IV Solvent Red 24; C.I. 26105	Biochemical Assay Reagents Aryl Hydrocarbon Receptor Cytochrome P450	Metabolic Disease
Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces *CYP1A1* expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections .

HY-152079

CYP1B1-IN-3	Cytochrome P450	Cancer
CYP1B1-IN-3 is a potent and selective *CYP1B1* inhibitor with IC₅₀ values of 6.6, 347.3, >10000 nM for CYP1B1, CYP1A1, CYP1A2, respectively. CYP1B1-IN-3 inhibits cell migration and invasion. CYP1B1-IN-3 inhibits P-gp, AKT/ERK, FAK/SRC, and EMT pathways .

HY-118216R

Bitertanol (Standard) Biloxazol (Standard)	Reference Standards Fungal Cytochrome P450	Infection
Bitertanol (Standard) is the analytical standard of Bitertanol. This product is intended for research and analytical applications. Bitertanol (Biloxazol) is a potent antifungal agent. Bitertanol also is an CYP1A1, CYP2B, and CYP3A inducer in vivo and an CYP1A inhibitor in vitro .

HY-W100681R

2'-Hydroxy-5'-methylacetophenone (Standard)	Drug Intermediate Reference Standards	Others
Tetrahydropiperine (Standard) is the analytical standard of Tetrahydropiperine. This product is intended for research and analytical applications. Tetrahydropiperine, a cyclohexyl analogue of piperine, is the first natural aryl pentanamide from Piper longum . Tetrahydropiperine (compound 14) inhibits the cytochrome P450 (CYP) isoform CYP1A1/arylhydrocarbon hydroxylase (AHH; IC50=23 µM) .

HY-B1234

Octinoxate Octyl methoxycinnamate	Androgen Receptor Estrogen Receptor/ERR Thyroid Hormone Receptor Cytochrome P450	Metabolic Disease Endocrinology
Octinoxate (Octyl methoxycinnamate) is a thyroid hormone receptor agonist, reducing the levels of triiodothyronine (T3) and thyroxine (T4) and transcription levels of genes related to type II deiodinase (deio2) in Japanese Medaka. Octinoxate is commonly used as a safe ultraviolet (UV) filter used in the aquatic environment. Octinoxate inhibits *CYP1A1* and *CYP1B1* to regulate hyaluronan (HA) (HY-B0633A) metabolism in a PI3K pathway-dependent manner in human keratinocytes. Octinoxate also exhibits an anti-estrogenic and anti-androgenic effect in vitro and in vivo .

HY-D0145S

7-Ethoxyresorufin-d5 Resorufin ethyl ether-d₅	Isotope-Labeled Compounds Cytochrome P450 NO Synthase	Others
7-Ethoxyresorufin-d₅ is deuterium labeled 7-Ethoxyresorufin. 7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase .

HY-118474

GW 610 NSC 721648	Aryl Hydrocarbon Receptor Cytochrome P450	Cancer
GW 610 (NSC 721648), an antitumor agent, is a potent AhR ligand with a K_i of 6.8 nM. GW 610 induces *CYP1A1* expression in MCF-7 cells. GW 610 shows potent and selective anticancer activity against lung, colon, and breast cancer cell lines .

HY-B2015S

Carbosulfan-d18	Cytochrome P450 Parasite	Infection
Carbosulfan-d₁₈ is the deuterium labeled Carbosulfan. Carbosulfan inhibited relatively potently CYP3A4 and moderately CYP1A1/2 and CYP2C19 in pooled HLM (human livers). Carbosulfan activation is predominantly catalyzed in humans by CYP3A4.

HY-D0932R

Sudan IV (Standard) Solvent Red 24 (Standard); C.I. 26105 (Standard)	Biochemical Assay Reagents Aryl Hydrocarbon Receptor Cytochrome P450	Metabolic Disease
Sudan IV (Standard) (Solvent Red 24 (Standard)) is the analytical standard of Sudan IV (HY-D0932). This product is intended for research and analytical applications. Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces *CYP1A1* expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections.

HY-N6264R

26-Deoxyactein (Standard)	Reference Standards Aryl Hydrocarbon Receptor ERK	Metabolic Disease
26-Deoxyactein (Standard) is the analytical standard of 26-Deoxyactein. This product is intended for research and analytical applications. 26-Deoxyactein is a constituent isolated from Cimicifuga racemosa, prevents TCDD-induced osteoblasts damage. 26-Deoxyactein inhibits increased AhR, CYP1A1 and ERK levels .

HY-19340

TMS 5+ Cited Publications (E)-2,3',4,5'-tetramethoxystilbene	Cytochrome P450	Cancer
TMS ((E)-2,3',4,5'-tetramethoxystilbene) is a selective and competitive *CYP1B1* inhibitor with an IC₅₀ of 6 nM and a K_i value of 3 nM. TMS shows a lesser extent inhibitory effect on CYP1A1 (IC₅₀=300 nM) and CYP1A2 (IC₅₀=3.1 μM). TMS is a methylated derivative of resveratrol and has anti-cancer activity .

HY-D0932S

Sudan IV-d6 Solvent Red 24-d₆; C.I. 26105-d₆	Isotope-Labeled Compounds Biochemical Assay Reagents Aryl Hydrocarbon Receptor Cytochrome P450	Metabolic Disease
Sudan IV-d₆ (Solvent Red 24-d₆) is the deuterium labeled Sudan IV(HY-D0932). Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces *CYP1A1* expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections .

HY-W472509

11-HETE 11-Hydroxy-5,8,12,14-eicosatetraenoic acid	Cytochrome P450	Cardiovascular Disease
11-HETE (11-Hydroxy-5,8,12,14-eicosatetraenoic acid) is the activator for cytochrome P450. 11-HETE upregulates the mRNA expressions of CYP1B1, CYP1A1, CYP4A11, CYP4F11, and CYP4F2, induces cell hypertrophy in RL-14 cell, and exhibits potential to be used in cardiovascular diseases .

HY-B1234S

Octinoxate-13C,d3	Cytochrome P450 Thyroid Hormone Receptor Androgen Receptor Estrogen Receptor/ERR Isotope-Labeled Compounds	Metabolic Disease Endocrinology
Octinoxate-13C,d3 is the deuterium labeled Octinoxate (HY-W245806). Octinoxate (Octyl methoxycinnamate) is a thyroid hormone receptor agonist, reducing the levels of triiodothyronine (T3) and thyroxine (T4) and transcription levels of genes related to type II deiodinase (deio2) in Japanese Medaka. Octinoxate is commonly used as a safe ultraviolet (UV) filter used in the aquatic environment. Octinoxate inhibits *CYP1A1* and *CYP1B1* to regulate hyaluronan (HA) (HY-B0633A) metabolism in a PI3K pathway-dependent manner in human keratinocytes. Octinoxate also exhibits an anti-estrogenic and anti-androgenic effect in vitro and in vivo .

HY-174425

CYP1B1-IN-9	Cytochrome P450	Cancer
CYP1B1-IN-9 is a highly selective and competitive *CYP1B1* Inhibitor with IC₅₀ values of 1.48 nM, > 100 μM, and > 80 μM for CYP1B1, CYP1A1, and CYP1A2, respectively. CYP1B1-IN-9 significantly inhibits the migration and invasion of A549/T cells. CYP1B1-IN-9 has the ability to resensitize Paclitaxel (HY-B0015)-resistant cells, and good metabolic stability and safety, and shows favorable pharmacokinetic parameters. CYP1B1-IN-9 can be used for the study of tumor-drug resistance .

HY-W775354

1,2,3,4,7,8-Hexachlorodibenzofuran 1,2,3,4,7,8-HxCDF	Cytochrome P450 Aryl Hydrocarbon Receptor	Others
1,2,3,4,7,8-Hexachlorodibenzofuran (1,2,3,4,7,8-HxCDF) promotes the gene expressions of CYP1A1, CYP1B1, and aryl hydrocarbon receptor repressor (AhRR) in human peripheral blood lymphocytes (PBLs). 1,2,3,4,7,8-Hexachlorodibenzofuran activates the ethoxyresorufin-Odeethylase, achieves 20% of the maximum response caused by TCDD with a BMR20TCDD of 0.115-0.143 nM .

HY-W517092

1,2,3,4,7,8,9-Heptachlorodibenzofuran 1,2,3,4,7,8,9-HpCDF	Aryl Hydrocarbon Receptor Cytochrome P450	Metabolic Disease Inflammation/Immunology
1,2,3,4,7,8,9-Heptachlorodibenzofuran (1,2,3,4,7,8,9-HpCDF) is a compound that induces the expression of *CYP1A1* and *CYP1B1* genes in human peripheral blood lymphocytes, while also promoting the expression of the aryl hydrocarbon receptor repressor (AhRR). 1,2,3,4,7,8,9-Heptachlorodibenzofuran can increase ethoxyresorufin-O-deethylase (EROD) activity in isolated human peripheral blood lymphocytes in a concentration-dependent manner, which serves as a marker of *CYP1A1* activity. Furthermore, 1,2,3,4,7,8,9-Heptachlorodibenzofuran exhibits immunosuppressive effects by reducing the number of splenic plaque-forming cells in mice and increasing aryl hydrocarbon hydroxylase (AHH) activity in liver microsomes of mice injected with sheep red blood cells. 1,2,3,4,7,8,9-Heptachlorodibenzofuran can be used in research in the fields of immunology, metabolic diseases, and environmental toxicology .

Cat. No.	Product Name	Type

HY-D0145

7-Ethoxyresorufin 1 Publications Verification Resorufin ethyl ether	Chromogenic Substrates
7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially *CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase* .

HY-D0932

Sudan IV

Solvent Red 24; C.I. 26105

Dyes

Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces CYP1A1 expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections .

HY-D0932R

Sudan IV (Standard)

Solvent Red 24 (Standard); C.I. 26105 (Standard)

Dyes

Sudan IV (Standard) (Solvent Red 24 (Standard)) is the analytical standard of Sudan IV (HY-D0932). This product is intended for research and analytical applications. Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces CYP1A1 expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections.

HY-162051

CYP1B1-IN-6	Fluorescent Dyes/Probes
CYP1B1-IN-6 (compound 19) is a fluorescence molecular probes which inhibits *CYP1B1* activity. CYP1B1-IN-6 can identify tumor sites in fluorescence imaging and photoacoustic imaging modes .

Cat. No.	Product Name	Type

HY-W008003

2-Hydroxybenzimidazole	Biochemical Assay Reagents
2-Hydroxybenzimidazole is an inactive compound targeting *CYP1A1* and is mainly used as a control compound in the structure-activity relationship study of benzimidazole derivatives. 2-Hydroxybenzimidazole does not have the ability to induce CYP1A1 expression like its thiol or amino substituted derivatives .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N2625A

Harmalol hydrochloride	Alkaloids Structural Classification Monophenols Classification of Application Fields Zygophyllaceae Peganum harmala Linn. Source classification Other Diseases Phenols Pyridine Alkaloids Plants Disease Research Fields	Cytochrome P450
Harmalol hydrochloride, a beta carboline alkaloid, presents in several medicinal plants such as Peganum harmala. Harmalol hydrochloride, main metabolite of Harmaline, significantly inhibits the dioxin-mediated induction of CYP1A1 at the transcriptional and posttranslational levels. Harmalol hydrochloride possesses antioxidant and hydroxyl radical-scavenging properties .

HY-N2194

Bergamottin 5+ Cited Publications 5-Geranoxypsoralen; Bergamotine; Bergaptin	Structural Classification Classification of Application Fields Citrus limon (L.) Burm. F. Source classification Rutaceae Coumarins Phenylpropanoids Plants Disease Research Fields Cancer	Cytochrome P450
Bergamottin is a potent and competitive *CYP1A1* inhibitor with a K_i of 10.703 nM.

HY-N8382

Chalepensin	Structural Classification Natural Products Haloxylon ammodendron (C. A. Mey.) Bunge Source classification Amaranthaceae Plants	Cytochrome P450
Chalepensin, a furanocoumarin, is a competitive CYP2A6 inhibitor. Chalepensin also inhibits human CYP1A1, CYP1A2, CYP2A13, CYP2C9, CYP2D6, CYP2E1, and CYP3A4 to different extents .

HY-N0382

Galangin Maximum Cited Publications 14 Publications Verification Norizalpinin; 3,5,7-Trihydroxyflavone	Flavonols Structural Classification Classification of Application Fields Source classification Plants Flavonoids Microorganisms Phenols Polyphenols Alpinia officinarum Hance Disease Research Fields Zingiberaceae Cancer	Cytochrome P450 Autophagy
Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of *CYP1A1* activity.

HY-N6264

26-Deoxyactein	Triterpenes Structural Classification Classification of Application Fields Terpenoids Ranunculaceae Source classification Metabolic Disease Cimicifuga foetida Linn. Plants Cimicifuga racemosa (L.) Nutt. Disease Research Fields	Aryl Hydrocarbon Receptor ERK
26-Deoxyactein is a constituent isolated from Cimicifuga racemosa, prevents TCDD-induced osteoblasts damage. 26-Deoxyactein inhibits increased AhR, CYP1A1 and ERK levels .

HY-N2689

(R)-6',7'-Dihydroxybergamottin (R)-6′,7′-DHB	Structural Classification Natural Products Citrus × aurantium Linnaeus Source classification Rutaceae Plants	Cytochrome P450
(R)-6',7'-Dihydroxybergamottin ((R)-6′,7′-DHB) is a competitive inhibitor of human and rat *CYP1A1* activity with K_is of 55 μM and 1.72 μM, respectively. (R)-6',7'-Dihydroxybergamottin has the potential for cancer research .

HY-N0922

Methysticin DL-Methysticin; (±)-Methystici	Structural Classification Natural Products other families Source classification Plants	Cytochrome P450
Methysticin is a major kavalactone in kava extract to induce *CYP1A1*.

HY-N4205R

Tetrahydropiperine (Standard)	Alkaloids Piperidine Alkaloids Structural Classification Source classification Piperaceae Plants Piper nigrum Linn.	Reference Standards Cytochrome P450
Tetrahydropiperine (Standard) is the analytical standard of Tetrahydropiperine. This product is intended for research and analytical applications. Tetrahydropiperine, a cyclohexyl analogue of piperine, is the first natural aryl pentanamide from Piper longum . Tetrahydropiperine (compound 14) inhibits the cytochrome P450 (CYP) isoform CYP1A1/arylhydrocarbon hydroxylase (AHH; IC50=23 µM) .

HY-N2625AR

Harmalol hydrochloride (Standard)	Alkaloids Structural Classification Monophenols Zygophyllaceae Peganum harmala Linn. Source classification Phenols Pyridine Alkaloids Plants	Reference Standards Cytochrome P450
Harmalol (hydrochloride) (Standard) is the analytical standard of Harmalol (hydrochloride). This product is intended for research and analytical applications. Harmalol hydrochloride, a beta carboline alkaloid, presents in several medicinal plants such as Peganum harmala. Harmalol hydrochloride, main metabolite of Harmaline, significantly inhibits the dioxin-mediated induction of CYP1A1 at the transcriptional and posttranslational levels. Harmalol hydrochloride possesses antioxidant and hydroxyl radical-scavenging properties .

HY-N2194R

Bergamottin (Standard) 5-Geranoxypsoralen (Standard); Bergamotine (Standard); Bergaptin (Standard)	Structural Classification Citrus limon (L.) Burm. F. Source classification Rutaceae Coumarins Phenylpropanoids Plants	Reference Standards Cytochrome P450
Bergamottin (Standard) is the analytical standard of Bergamottin. This product is intended for research and analytical applications. Bergamottin is a potent and competitive CYP1A1 inhibitor with a Ki of 10.703 nM.

HY-N0382R

Galangin (Standard) Norizalpinin (Standard); 3,5,7-Trihydroxyflavone (Standard)	Structural Classification Flavonoids Classification of Application Fields Source classification Phenols Alpinia officinarum Hance Plants Disease Research Fields Zingiberaceae Cancer	Reference Standards Cytochrome P450 Autophagy
Galangin (Standard) is the analytical standard of Galangin. This product is intended for research and analytical applications. Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of *CYP1A1* activity.

HY-B1234

Octinoxate Octyl methoxycinnamate	Structural Classification Natural Products other families Classification of Application Fields Source classification Other Diseases Cosmetic Research Plants Disease Research Fields	Androgen Receptor Estrogen Receptor/ERR Thyroid Hormone Receptor Cytochrome P450
Octinoxate (Octyl methoxycinnamate) is a thyroid hormone receptor agonist, reducing the levels of triiodothyronine (T3) and thyroxine (T4) and transcription levels of genes related to type II deiodinase (deio2) in Japanese Medaka. Octinoxate is commonly used as a safe ultraviolet (UV) filter used in the aquatic environment. Octinoxate inhibits *CYP1A1* and *CYP1B1* to regulate hyaluronan (HA) (HY-B0633A) metabolism in a PI3K pathway-dependent manner in human keratinocytes. Octinoxate also exhibits an anti-estrogenic and anti-androgenic effect in vitro and in vivo .

HY-N6264R

26-Deoxyactein (Standard)	Triterpenes Structural Classification Terpenoids Ranunculaceae Source classification Cimicifuga foetida Linn. Plants Cimicifuga racemosa (L.) Nutt.	Reference Standards Aryl Hydrocarbon Receptor ERK
26-Deoxyactein (Standard) is the analytical standard of 26-Deoxyactein. This product is intended for research and analytical applications. 26-Deoxyactein is a constituent isolated from Cimicifuga racemosa, prevents TCDD-induced osteoblasts damage. 26-Deoxyactein inhibits increased AhR, CYP1A1 and ERK levels .

HY-N0563

Alizarin 1 Publications Verification	Quinones Structural Classification Classification of Application Fields Anthraquinones Source classification Rubiaceae Other Diseases Phenols Polyphenols Plants Disease Research Fields Rubia cordifolia L.	AMPK VEGFR PI3K Akt NF-κB Cytochrome P450
Alizarin is a natural dye. Alizarin can be extracted from the roots of madder plant. Alizarin activates AMPK and VEGFR2/eNOS pathway. Alizarin regulates PI3K/Akt and inhibits NF-κB pathway. Alizarin enhances *CYP1A1* enzyme activity. Alizarin has protective effects on hypertension and vascular endothelial dysfunction. Alizarin has anti-tumor activity against multiple cancers including pancreatic cancer, breast cancer, osteosarcoma and liver cancer. Alizarin has been widely used as a pigment in textile fabrics and paintings .

HY-W017113

2-Mercaptobenzothiazole	Structural Classification Natural Products Classification of Application Fields Source classification Metabolic Disease Endogenous metabolite Disease Research Fields	Endogenous Metabolite Aryl Hydrocarbon Receptor
2-Mercaptobenzothiazole is an activator of the aryl hydrocarbon receptor (AhR) , inhibiting thyroid hormone synthesis and dopamine beta-hydroxylase activity . 2-Mercaptobenzothiazole promotes bladder cancer cell invasion by altering the conformation of the AhR ligand binding domain (LBD), activating AhR transcription, and upregulating the mRNA and protein expression of target genes CYP1A1 and CYP1B1 . 2-Mercaptobenzothiazole inhibits thyroid peroxidase (TPO) with an IC₅₀ value of 11.5 μM, induces histological changes such as follicular cell hypertrophy in Xenopus laevis tadpoles, delaying metamorphosis . 2-Mercaptobenzothiazole increases chromosomal aberrations and sister chromatid exchanges (SCEs) in Chinese hamster ovary (CHO) cells, and enhances carcinogenicity in F344/N rats . 2-Mercaptobenzothiazole inhibits norepinephrine synthesis in mice and completely blocks the conversion of exogenous dopamine to norepinephrine in rat cardiomyocytes .

HY-N4205

Tetrahydropiperine	Alkaloids Piperidine Alkaloids Structural Classification Classification of Application Fields Source classification Piperaceae Plants Disease Research Fields Piper nigrum Linn. Cancer	Cytochrome P450
Tetrahydropiperine is an orally effective, selective inhibitor of NF-κB and MAPKs<、b>, and an activator of the PI3K/Akt/mTOR<、b> pathway. Tetrahydropiperine reduces the production of pro-inflammatory cytokines such as TNF-α, IL-6, and nitric oxide (NO) by inhibiting the nuclear translocation of NF-κB and the phosphorylation of MAPKs such as ERK, JNK, and p38. At the same time, Tetrahydropiperine inhibits excessive autophagy by activating the PI3K/Akt/mTOR pathway, protecting neurons from oxidative damage. Tetrahydropiperine has anti-inflammatory, anti-apoptotic, and neuroprotective effects, and is mainly used in the study of inflammatory diseases (such as endotoxemia, arthritis) and neurological diseases such as ischemic stroke .

HY-N1082

Visnagin	Cardiovascular Disease Structural Classification Neurological Disease Classification of Application Fields Ketones, Aldehydes, Acids Artemisia cana Pursh Source classification Umbelliferae Plants Disease Research Fields	Others
Visnagin, an antioxidant furanocoumarin derivative, possess anti-inflammatory and analgesic properties. Visnagin has substantial potential to prevent Cerulein induced acute pancreatitis (AP). Visnagin possess promising vasodilator effects in vascular smooth muscles .

HY-Y0110

2-Naphthol	Structural Classification Monophenols Microorganisms Classification of Application Fields Source classification Other Diseases Phenols Endogenous metabolite Disease Research Fields	Endogenous Metabolite
2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2).

HY-N10344

Glucoarabin	Structural Classification Natural Products Classification of Application Fields Source classification Camelina sativa (L.) Crantz Glucosinolates Plants Brassicaceae Disease Research Fields Cancer	Cytochrome P450 Quinone Reductase
Glucoarabin is a bioactive glucosinolate. In Hepa1c1c7 cells, hydrolyzed Glucoarabin (hGSL 9) upregulates the phase II detoxification enzyme quinone reductase (NQO1), with no effect on cytochrome P450 (CYP) 1A1 activity .

HY-Y0110R

2-Naphthol (Standard)	Structural Classification Monophenols Microorganisms Source classification Phenols Endogenous metabolite	Reference Standards Endogenous Metabolite
2-Naphthol (Standard) is the analytical standard of 2-Naphthol. This product is intended for research and analytical applications. 2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2).

Cat. No.	Product Name	Chemical Structure

HY-W713284

2-Ethylhexyl (E)-3-(4-(methoxy-d3)phenyl)acrylate

2-Ethylhexyl (E)-3-(4-(methoxy-d₃)phenyl)acrylate is the deuterium labeled Octinoxate (HY-B1234). Octinoxate (Octyl methoxycinnamate) is a thyroid hormone receptor agonist, reducing the levels of triiodothyronine (T3) and thyroxine (T4) and transcription levels of genes related to type II deiodinase (deio2) in Japanese Medaka. Octinoxate is commonly used as a safe ultraviolet (UV) filter used in the aquatic environment. Octinoxate inhibits CYP1A1 and CYP1B1 to regulate hyaluronan (HA) (HY-B0633A) metabolism in a PI3K pathway-dependent manner in human keratinocytes. Octinoxate also exhibits an anti-estrogenic and anti-androgenic effect in vitro and in vivo .

HY-Y0110S1

2-Naphthol-d7
2-Naphthol-d₇ is the deuterium labeled 2-Naphthol . 2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2) .

HY-N0382S

Galangin-13C3
Galangin- ¹³C₃ is the ¹³C-labeled Galangin. Galangin (Norizalpinin) is an agonist/antagonist of the arylhydrocarbon receptor. Galangin (Norizalpinin) also shows inhibition of CYP1A1 activity.

HY-D0145S

7-Ethoxyresorufin-d5
7-Ethoxyresorufin-d₅ is deuterium labeled 7-Ethoxyresorufin. 7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase .

HY-B2015S

Carbosulfan-d18
Carbosulfan-d₁₈ is the deuterium labeled Carbosulfan. Carbosulfan inhibited relatively potently CYP3A4 and moderately CYP1A1/2 and CYP2C19 in pooled HLM (human livers). Carbosulfan activation is predominantly catalyzed in humans by CYP3A4.

HY-D0932S

Sudan IV-d6

Sudan IV-d₆ (Solvent Red 24-d₆) is the deuterium labeled Sudan IV(HY-D0932). Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces CYP1A1 expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections .

HY-B1234S

Octinoxate-13C,d3

Octinoxate-13C,d3 is the deuterium labeled Octinoxate (HY-W245806). Octinoxate (Octyl methoxycinnamate) is a thyroid hormone receptor agonist, reducing the levels of triiodothyronine (T3) and thyroxine (T4) and transcription levels of genes related to type II deiodinase (deio2) in Japanese Medaka. Octinoxate is commonly used as a safe ultraviolet (UV) filter used in the aquatic environment. Octinoxate inhibits CYP1A1 and CYP1B1 to regulate hyaluronan (HA) (HY-B0633A) metabolism in a PI3K pathway-dependent manner in human keratinocytes. Octinoxate also exhibits an anti-estrogenic and anti-androgenic effect in vitro and in vivo .

HY-B0822S1

Fipronil-13C6

Fipronil- ¹³C₆ is the ¹³C-labeled Fipronil. Fipronil is an insecticide that acts as a selective antagonist of insect GABA receptors (IC50s = 30 nM and 1,600 nM for cockroach and rat receptors, respectively). Fipronil also inhibits desensitizing and non-desensitizing glutamate-induced chloride currents in cockroach neurons (IC50s = 800 nM and 10 nM, respectively). Fipronil induces activity of the cytochrome P450 (CYP) isoforms CYP1A1/2, CYP2B1/2, and CYP3A1/2 in isolated rat liver microsomes.

HY-Y0110S

2-Naphthol-d8
2-Naphthol-d₈ is the deuterium labeled 2-Naphthol . 2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2) .

HY-B0973S

Dibenzothiophene-d8

Dibenzothiophene-d₈ is the deuterium labeled Dibenzothiophene (HY-B0973). Dibenzothiophene is an orally active and a noncompetitive CYP1A inhibitor. Dibenzothiophene inhibits CYP1A-mediated EROD activity with K_m of 0.592 μM. Dibenzothiophene interacts with the AHR pathway. Dibenzothiophene enhances the embryotoxicity of β-naphthoflavone (HY-114740). Dibenzothiophene shows acute toxicity in mice. Dibenzothiophene is mainly used for the study of the mechanism of developmental toxicity in organisms .

Cat. No.	Product Name		Classification