3,4-Dehydro Cilostazol (OPC-13015) is an active metabolite of Cilostazol. 3,4-Dehydro Cilostazol is used for pharmacokinetic study.

Ilaprazole sulfone is the major metabolite of Ilaprazole, is predominantly catalysed by CYP3A4/5. Ilaprazole (IY-81149) is an orally active proton pump inhibitor.

7-Hydroxymethotrexate-d3 is the deuterium labeled 7-Hydroxymethotrexate. 7-Hydroxymethotrexate is a major metabolite of Methotrexate. Methotrexate, an antimetabolite and antifolate agent, inhibits the enzyme dihydrofolate reductase, thereby preventing the conversion of folic acid into tetrahydrofolate, and inhibiting DNA synthesis.

α-Demethylnaproxen is the major metabolite of Nabumetone, Nabumetone is an orally active COX-2 inhibitor with anti-inflammatory activity.

Abiraterone sulfate is a metabolite of Abiraterone. Abiraterone is a potent and irreversible CYP17A1 inhibitor with antiandrogen activity.

Abiraterone N-oxide is a metabolite of Abiraterone. Abiraterone is a potent and irreversible CYP17A1 inhibitor with antiandrogen activity.

Ferulic acid 4-O-sulfate (Ferulic acid 4-sulfate) is a metabolite of Ferulic acid. Ferulic acid 4-O-sulfate relaxes arteries and lowers blood pressure in mice.

Ferulic acid acyl-β-D-glucoside is a metabolite of Ferulic Acid. Ferulic acid is a novel fibroblast growth factor receptor 1 (FGFR1) inhibitor with IC50s of 3.78 and 12.5 μM for FGFR1 and FGFR2, respectively.

(E)-10-Hydroxynortriptyline (E-10-OH-NT) is a metabolite of Nortriptyline. Nortriptyline is a tricyclic antidepressant and the main active metabolite of Amitriptyline, and is used to relieve the symptoms of depression.

Tofacitinib metabolite-1 is a metabolite of Tofacitinib, a JAK inhibitor. Tofacitinib metabolite-1 can be used in the pharmacokinetics and metabolism studies of tofacitinib.

4'-Hydroxy diclofenac is an orally active metabolite of Diclofenac by cytochrome P450 2C9 (CYP2C9). 4'-Hydroxy diclofenac has anti-inflammatory and analgesic properties.

4'-Hydroxy diclofenac D4 is the deuterium labeled 4'-Hydroxy diclofenac. 4'-Hydroxy diclofenac is an orally active metabolite of Diclofenac by cytochrome P450 2C9 (CYP2C9). 4'-Hydroxy diclofenac has anti-inflammatory and analgesic properties.

3-Amino-2-oxazolidinone-d4 is a deuterium labeled 3-Amino-2-oxazolidinone. 3-Amino-2-oxazolidinone (AOZ) is the metabolite of Furazolidone. 3-Amino-2-oxazolidinone is always be detected as an indicator of furazolidone residues.

(S)-(+)-O-Desmethyl Venlafaxine is a S-enantiomer of O-Desmethyl Venlafaxine. O-Desmethyl Venlafaxine is an active metabolite of Venlafaxine. Venlafaxine is an antidepressant of the serotonin-norepinephrine reuptake inhibitor (SNRI) class.

(S)-O-Desmethyl Venlafaxine N-Oxide is a N-oxyde of (S)-O-Desmethyl Venlafaxine. O-Desmethyl Venlafaxine is an active metabolite of Venlafaxine. Venlafaxine is an antidepressant of the serotonin-norepinephrine reuptake inhibitor (SNRI) class.

(R)-(-)-O-Desmethyl Venlafaxine D6 is the deuterium labeled (R)-(-)-O-Desmethyl Venlafaxine. O-Desmethyl Venlafaxine is an active metabolite of Venlafaxine. Venlafaxine is an antidepressant of the serotonin-norepinephrine reuptake inhibitor (SNRI) class.

(S)-(+)-O-Desmethyl Venlafaxine D6 is the deuterium labeled (S)-(+)-O-Desmethyl Venlafaxine. O-Desmethyl Venlafaxine is an active metabolite of Venlafaxine. Venlafaxine is an antidepressant of the serotonin-norepinephrine reuptake inhibitor (SNRI) class.

Dasatinib metabolite M6 (Dasatinib carboxylic acid) is an oxidative metabolite of Dasatinib. Dasatinib is a potent and orally active dual Bcr-Abl and Src family tyrosine kinase.

N-Desmethyl imatinib mesylate (Norimatinib mesylate) is a metabolite of Imatinib. Imatinib is a multi-target inhibitor of v-Abl, c-Kit and PDGFR.

Nordoxepin D3 hydrochloride (Desmethyldoxepin D3 hydrochloride) is the deuterium labeled Nordoxepin hydrochloride. Nordoxepin hydrochloride is an active metabolite of Doxepin hydrochloride, which is an orally active tricyclic antidepressant.

Trimipramine N-oxide is an active metabolite of the tricyclic antidepressant trimipramine. Trimipramine N-oxide inhibits the human monoamine transporters for noradrenaline (hNAT), serotonin (hSERT), dopamine (hDAT) and the human organic cation transporters (hOCT1 and hOCT2) with IC50s of 11.7, 3.59, 9.4, 9.35 and 27.4 nM, respectively. Trimipramine N-oxide can be used for the research of depression and anxiety.

Levofloxacin N-oxide is a minor metabolite of Levofloxacin. Levofloxacin N-oxide does not exhibit significantly genotoxic risks. Levofloxacin is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria.

Desmethylazelastine is a main active metabolite of Azelastine that is oxidatively metabolized by the cytochrome P450 enzyme system with a protein binding rate of 97% and an elimination half-life of 54 hours. Azelastine is an orally active, selective and high-affinity histamine H1-receptor antagonist. Azelastine can be used in studies of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2.

PHA-782584 is a metabolite of sunitinib. Sunitinib is an oral multitargeted tyrosine kinase inhibitor with antitumor activities.

Sonidegib metabolite M48 is the main circulating metabolite of Sonidegib. Sonidegib is a hedgehog pathway inhibitor. M48 showed a much longer Tmax (60 h) than Sonidegib.

Imipramine N-oxide is the metabolite of Imipramine. Imipramine is a tertiary amine tricyclic antidepressant.

14(S)-HDHA (14(S)-HDoHE) is an oxygenation product of Docosahexaenoic acid (DHA). 14(S)-HDHA is a marker reflecting activation of a Docosahexaenoic acid carbon 14-lipoxygenation pathway.

Curcumin monoglucuronide is known as a glucuronic acid conjugate, which is one of the in vivo metabolites of curcumin. Curcumin monoglucuronide is used for research on the metabolism of curcumin and examination of its development as a pharmaceutical. Curcumin monoglucuronide has the potential for the research of cancer disease (extracted from patent WO2022004873A1).

Hydroxy ritonavir is a metabolite of Ritonavir. Ritonavir is an inhibitor of HIV protease used to treat HIV infection and AIDS.

Isokotanin B is a metabolite of bicoumarin isolated from the sclerotia of Aspergillus alliaceus. Isokotanin B shows activity against the corn earworm Helicoverpa zea and the dried fruit bettle Carpophilus hemipterus.