2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Drug Metabolite

Drug Metabolite

Drug Metabolite

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Drug metabolite results when a drug is metabolized into a modified form which continues to produce effects. Drug metabolism redox reactions such as heteroatom dealkylations, hydroxylations, heteroatom oxygenations, reductions, and dehydrogenations can yield active metabolites, and in rare cases even conjugation reactions can yield an active metabolite.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-W049735R
    N,N,O-Tridesmethylvenlafaxine (Standard)
    Vardenafil (dihydrochloride) (Standard) is the analytical standard of Vardenafil (dihydrochloride). This product is intended for research and analytical applications. Vardenafil dihydrochloride is a selective and orally active inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil dihydrochloride shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM respectively, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil dihydrochloride competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil dihydrochloride can be used for the research of erectile dysfunction, hepatitis, diabetes-.
    N,N,O-Tridesmethylvenlafaxine (Standard)
  • HY-B2150R
    4-Hydroxyantipyrine (Standard)
    4-Hydroxyantipyrine (Standard) is the analytical standard of 4-Hydroxyantipyrine. This product is intended for research and analytical applications. 4-Hydroxyantipyrine (4-Hydroxyphenazone; NSC 174055) is the major metabolite of Antipyrine (HY-B0171), can be as a biodistribution promoter. 4-Hydroxyantipyrine can increase distribution of concentration ratio of Citicoline and Antipyrine in the brain.
    4-Hydroxyantipyrine (Standard)
  • HY-143925S
    Betahistine impurity 5-13C,d3
    Betahistine impurity 5-13C,d3 is the 13C- and deuterium labeled Betahistine impurity 5.
    Betahistine impurity 5-<sup>13</sup>C,d<sub>3</sub>
  • HY-137310
    4-Hydroxy atorvastatin hemicalcium
    4-Hydroxy atorvastatin hemicalcium is a metabolite of Atorvastatin (HY-B0589). Atorvastatin is an orally active HMG-CoA reductase inhibitor, has the ability to effectively decrease blood lipids. Atorvastatin is metabolized by the cytochrome P450 (CYP) isoform CYP3A4 to form 4-hydroxy atorvastatin.
    4-Hydroxy atorvastatin hemicalcium
  • HY-10873S2
    N-Desethyl Sunitinib-d5 hydrochloride
    N-Desethyl Sunitinib-d5 (hydrochloride) is a deuterated labeled N-Desethyl Sunitinib. N-Desethyl Sunitinib (SU-12662) is a metabolite of sunitinib. Sunitinib is a potent, ATP-competitive VEGFR, PDGFRβ and KIT inhibitor with Ki values of 2, 9, 17, 8 and 4 nM for VEGFR -1, -2, -3, PDGFRβ and KIT, respectively.
    N-Desethyl Sunitinib-d<sub>5</sub> hydrochloride
  • HY-100046R
    Nordoxepin hydrochloride (Standard)
    Nordoxepin (hydrochloride) (Standard) is the analytical standard of Nordoxepin (hydrochloride). This product is intended for research and analytical applications. Nordoxepin hydrochloride is the major metabolite of Doxepin. Doxepin is a tricyclic antidepressant that is widely prescribed for the research of mild depression.
    Nordoxepin hydrochloride (Standard)
  • HY-110034R
    Didesmethylsibutramine hydrochloride (Standard)
    Didesmethylsibutramine (hydrochloride) (Standard) is the analytical standard of Didesmethylsibutramine (hydrochloride). This product is intended for research and analytical applications. Didesmethylsibutramine (BTS 54-505) hydrochloride is the primary amine metabolite of Sibutramine (antidepressant and anti-obesity agent). Didesmethylsibutramine hydrochloride inhibits NMDA-evoked activity. Didesmethylsibutramine hydrochloride is also a reuptake inhibitor. Didesmethylsibutramine hydrochloride induces thermogenesis.
    Didesmethylsibutramine hydrochloride (Standard)
  • HY-100651R
    Desmethylnortriptyline (Standard)
    Desmethylnortriptyline (Standard) is the analytical standard of Desmethylnortriptyline (HY-100651). This product is intended for research and analytical applications. Desmethylnortriptyline is a metabolite of Nortriptyline (HY-118620). Nortriptyline is a tricyclic antidepressant and the main active metabolite of Amitriptyline (HY-B0527) , and is used to relieve the symptoms of depression.
    Desmethylnortriptyline (Standard)
  • HY-W144308
    Tetrachlorohydroquinone
    		98.45%
    Tetrachlorohydroquinone (TCHQ) is a metabolite of Pentachlorophenol. Tetrachlorohydroquinone induces reactive oxidant stress (ROS), inhibits apoptosis and induces necrosis in primary mouse splenocytes. Tetrachlorohydroquinone increases DNA lesions and induces oxidative stress in rodents.
    Tetrachlorohydroquinone
  • HY-W004298R
    10-Undecen-1-ol (Standard)
    10-Undecen-1-ol,98% (stabilized with MEHQ) (Standard) is the analytical standard of 10-Undecen-1-ol,98% (stabilized with MEHQ). This product is intended for research and analytical applications. 10-Undecen-1-ol, converted from ricinoleic acid, can be used as a comonomer for the introduction of functional groups[1][2].
    10-Undecen-1-ol (Standard)
  • HY-121456
    Salnacedin
    Salnacedin (G-201) has anti-inflammatory and keratolytic activity. Salnacedin can be used in the research of seborrhoeic dermatitis and acne.
    Salnacedin
  • HY-100644
    Trimethoprim N-oxide
    Trimethoprim N-oxide (Trimethoprim 1-N-oxide) belongs to human urinary metabolites. Trimethoprim N-oxide is generated by oxidation of nitrogen atoms in the pyrimidine ring. Trimethoprim N-oxide is formed predominantly by CYP1A2 in human liver microsomes.
    Trimethoprim N-oxide
  • HY-18719ER
    Endoxifen (Standard)
    Methicillin (sodium hydrate) (Standard) is the analytical standard of Methicillin (sodium hydrate). This product is intended for research and analytical applications. Methicillin sodium hydrate is a narrow-spectrum β-lactam antibiotic, acts by inhibiting penicillin-binding proteins (PBPs). Methicillin sodium hydrate is active against Staphylococcus aureus and Staphylococcus epidermidis that are resistant to other penicillins. Methicillin sodium hydrate can be used for the research of skin infections, osteomyelitis, and endocarditis.
    Endoxifen (Standard)
  • HY-139267
    (±)19(20)-EpDTE
    (±)19(20)-EpDTE is an oxylipin and an oxidative metabolite of docosapentaenoic acid.
    (±)19(20)-EpDTE
  • HY-108229
    6β-Naltrexol
    6β-Naltrexol (6β-Hydroxynaltrexone), the primary metabolite of Naltrexone, is a peripherally selective opioid antagonist. 6β-Naltrexol selectively inhibits gastrointestinal opioid effects in human subjects and inhibits Morphine-induced slowing of gastrointestinal transit.
    6β-Naltrexol
  • HY-W009538S
    5'-Deoxy-5-fluorocytidine-d3
    5'-Deoxy-5-fluorocytidine-d3 is deuterated labeled 5'-Deoxy-5-fluorocytidine (HY-W009538). 5'-Deoxy-5-fluorocytidine (5-Fluoro-5'-deoxycytidine) is a cytidine analog and metabolite of Capecitabine (HY-B0016). 5'-Deoxy-5-fluorocytidine is converted from Capecitabine by carboxylesterase in the liver. 5'-Deoxy-5-fluorocytidine is deaminated by cytidine deaminase to generate 5'-deoxy-5-fluorouridine, which is finally converted into 5-fluorouracil (HY-90006) by thymidine phosphorylase in tumor tissues to exert anti-tumor effects. 5'-Deoxy-5-fluorocytidine is used in the researches for solid tumors such as colorectal cancer, non-small cell lung cancer and breast cancer.
    5'-Deoxy-5-fluorocytidine-d<sub>3</sub>
  • HY-W009934R
    2-Phenyl-2-(2-pyridyl)acetonitrile (Standard)
    2-Phenyl-2-(2-pyridyl)acetonitrile (Standard) is the analytical standard of 2-Phenyl-2-(2-pyridyl)acetonitrile. This product is intended for research and analytical applications. 2-Phenyl-2-(2-pyridyl)acetonitrile is the major metabolite of SC 15396 metabolized by the supernatant fraction of rat liver homogenate. SC 15396 is an antigastrin that inhibits gastric secretion[1].
    2-Phenyl-2-(2-pyridyl)acetonitrile (Standard)
  • HY-N7495R
    all-trans-Anhydro Retinol (Standard)
    all-trans-Anhydro Retinol (Standard) (Anhydrovitamin A (Standard)) is the analytical standard of all-trans-Anhydro Retinol (HY-N7495). This product is intended for research and analytical applications. all-trans-Anhydro Retinol (Anhydrovitamin A) is an orally active degradation product formed by the dehydration of vitamin A alcohol and its esters under conditions such as acidic catalysis or hydroxylic solvents, with a biological activity only 0.4% of that of Vitamin A (HY-B1342). In rats, all-trans-Anhydro Retinol can be metabolized into hydroxy derivatives and their esters, but it cannot be converted into Vitamin A (HY-B1342) and has a low storage capacity in the body.
    all-trans-Anhydro Retinol (Standard)
  • HY-W709047
    Orlistat impurity-M3
    Orlistat impurity-M3 is a Orlistat (HY-B0218) degradation product. Orlistat is a well-known irreversible inhibitor of pancreatic and gastric lipases.
    Orlistat impurity-M3
  • HY-I0678S1
    Regorafénib N-oxyde (M2)-13C,d3
    Regorafénib N-oxyde (M2)-13C,d3 is the 13C- and deuterium labeled Regorafénib N-oxyde (M2). Regorafénib N-oxyde M2 is an active metabolite of Regorafenib. Regorafenib is a multi-target inhibitor for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1 with IC50s of 13/4.2/46, 22, 7, 1.5 and 2.5 nM, respectively.
    Regorafénib N-oxyde (M2)-<sup>13</sup>C,d<sub>3</sub>
Cat. No. Product Name / Synonyms Application Reactivity