Mono(5-carboxy-2-ethylpentyl) phthalate (MECPP) is a metabolite of Di-(2-ethylhexyl) phthalate (DEHP). Di(2-ethylhexyl) phthalate is the predominant plasticizer added to rigid polyvinyl chloride (PVC) to impart flexibility, temperature tolerance, optical clarity, strength and resistance to kinking.

(Rac)-Mono(3,5,5-trimethylhexyl) phthalate is a important metabolite of commonly used phthalate plasticizers. (Rac)-Mono(3,5,5-trimethylhexyl) phthalate has immuno-suppressive effect.

8-Demethyl Ivabradine is a metabolite of Ivabradine. Ivabradine is an orally bioavailable, hyperpolarization-activated, cyclic nucleotide-gated (HCN) channel blocker.

1'-Hydroxymidazolam is a primary active metabolite of Midazolam, and it is a neuronal depressant agent. 1'-Hydroxymidazolam could inhibit neuronal activity add to the effects of Midazolam.

Cyclo(Tyr-Val) (Cyclo(L-Tyr-L-Val)) is a diketopiperazine secondary fungal metabolite originally isolated from N. gilva.

Leukotriene D4 is one of the constituents of slow-reacting substance of anaphylaxis (SRS-A) produced by the metabolism of LTC4 by γ-glutamyl transpeptidase. Leukotriene D4 is the first cysteinyl-leukotriene metabolite of LTC4. Leukotriene D4-induced bronchoconstriction and enhanced vascular permeability contribute to the pathogenesis of asthma and acute hypersensitivity.

Pseudoerythromycin A enol ether (LY267108) is a degradation product of Erythromycin. Pseudoerythromycin A enol ether has no significant antimicrobial activity.

Bifenazate-diazene is a major degradation product of Bifenazate. Bifenazate is a selective carbazate acaricide and an insecticide.

N-(2-hydroxyethyl)-oxamic acid is formed when Metronidazole is reduced either chemically or by the action of the intestinal bacteria. Metronidazole, a nitroimidazole antibiotic, has activity against various protozoans and most Gram-negative and Gram-positive anaerobic bacteria.

6-Hydroxybenzbromarone is the major metabolite of Benzbromarone with a longer half-life and greater pharmacological potency than the parent compound. 6-Hydroxybenzbromarone is a protein Eyes Absent 3 (EYA3) inhibitor with an IC50 value of 21.5 μM. 6-Hydroxybenzbromarone is an angiogenic agent, has strong inhibitory effects on cell migration, tubulogenesis, and angiogenic sprouting.

Cinacalcet metabolite M4 is a metabolite of Cinacalcet. Cinacalcet is an orally active, allosteric agonist of Ca receptor (CaR), used for cardiovascular disease.

Raloxifene N-Oxide is a Raloxifene oxidative degradation product.

Trimetazidine-N-oxide is the major active metabolite of Trimetazidine. Trimetazidine is a selective long chain 3-ketoyl coenzyme A thiolase inhibitor with an IC50 of 75 nM. Trimetazidine is an effective antianginal agent, has anti-oxidant, anti-inflammatory, antinociceptive and gastroprotective properties.

3-Desacetyl Cefotaxime lactone is the active metabolite of Cefotaxime. Cefotaxime sodium salt is a third-generation cephalosporin antibiotic.

Ezetimibe phenoxy glucuronide is the active metabolite of Ezetimibe. Antihyperlipoproteinemic activity. Ezetimibe is a potent cholesterol absorption inhibitor.

Hydroxy desmethyl Bosentan (Ro 64-105) is a Bosentan metabolism produced by the cytochrome P450 enzymes CYP2C9 and CYP3A4 in the liver. Bosentan is a competitive and dual antagonist of endothelin-1 (ET) for the ETA and ETB receptors with Ki of 4.7 nM and 95 nM in human SMC, respectively. Bosentan can be used in treatment of pulmonary arterial hypertension.

Desmethyl Levofloxacin is a metabolite of Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.

ent-Ezetimibe (ent-SCH 58235) is the RRS-enantiomer of Ezetimibe. Ezetimibe is a potent cholesterol absorption inhibitor. Ezetimibe is a Niemann-Pick C1-like1 (NPC1L1) inhibitor, and is a potent Nrf2 activator.

4-Desmethyl Istradefylline is a metabolite of Istradefylline. 4-Istradefylline is a very potent, selective and orally active adenosine A2A receptor antagonist with Ki of 2.2 nM in experimental models of Parkinson's disease.

5β-Dutasteride is the S configuration of Dutasteride. 5β-Dutasteride is a potent inhibitor of both 5 alpha-reductase isozymes.

Dihydro Dutasteride is a metabolite of Dutasteride. Dutasteride is a potent inhibitor of both 5 alpha-reductase isozymes.

tert-Buthyl Pitavastatin is the  metabolite of Pitavastatin. Pitavastatin is a potent HMG-CoA reductase inhibitor.

Descarbamoyl cefuroxime is a degradation product of Cefuroxime. Descarbamoyl cefuroxime is also an intermediate for the synthesis of Cephalosporin antibiotics.

3'-Hydroxy Repaglinide is a main CYP2C8 metabolite of Repaglinide. Repaglinide is a carbamoylmethyl benzoic acid (CMBA) derivative, which recently has become available for the treatment of type II diabetes.

4-Desmethoxy Omeprazole is the active metabolite of Omeprazole. Omeprazole, a proton pump inhibitor (PPI), is available for treatment of acid-related gastrointestinal disorders. Omeprazole shows competitive inhibition of CYP2C19 activity with a Ki of 2 to 6 μM. Omeprazole also inhibits growth of Gram-positive and Gram-negative bacteria.

Pitavastatin lactone is a major metabolite of Pitavastatin in humans. Pitavastatin is a potent competitive inhibitor of HMG-CoA reductase little metabolized in hepatic microsomes.

O-Desmethyl apixaban is a metabolite of Apixaban (BMS-562247-01). Apixaban is a highly selective, reversible inhibitor of Factor Xa with Ki of 0.08 nM and 0.17 nM in human and rabbit, respectively.

Desmethylnortriptyline 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.

(Z)-10-Hydroxy Nortriptyline 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.

(E)-10-Hydroxy Nortriptyline maleate 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.