Propargyl-PEG5-acid is a non-cleavable 5 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Propargyl-PEG5-acid can used to synthesize ADC inhibitors of Galectin-3.

PPADS tetrasodiuma is a non-selective P2X receptor antagonist. PPADS tetrasodiuma blocks recombinant P2X1, -2, -3, -5 with IC50s ranging from 1 to 2.6 μM. PPADS tetrasodiuma blocks native P2Y2-like (IC50~0.9 mM) and recombinant P2Y4 (IC50~15 mM) receptors. PPADS tetrasodiuma is an inhibitor of the reverse mode of the Na/Ca²⁺exchanger in guinea pig airway smooth muscle.

Flurofamide is a potent bacterial urease inhibitor with potential clinical utility in the treatment of infection induced urinary stones.

Cinanserin hydrochloride (SQ 10643) is a potent, selective and highly affinity 5-HT2 receptor antagonist with a Ki of 41 nM. Cinanserin hydrochloride has a much higher binding affinity for the 5-HT2 than for the 5-HT1 receptor (Ki of 3500 nM). Cinanserin is also an inhibitor of 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro.

ML-9 (Free Base) is a selective and potent inhibitor of Akt kinase, inhibits myosin light-chain kinase (MLCK) and stromal interaction molecule 1 (STIM1) activity. ML-9 (Free Base) inhibits inhibits MLCK, PKA and PKC activity with Ki values of 4, 32 and 54 μM, respectively. ML-9 (Free Base) induces autophagy by stimulating autophagosome formation and inhibiting their degradation.

OGT 2115 is a potent, cell-permeable and orally active heparanase inhibitor with an IC50 of 0.4 μM. OGT 2115 has anti-angiogenic properties (IC50 of 1 μM). OGT 2115 also inhibits heparan sulfate degradation activity.

F1324 acetate is a potent, high affinity peptidic inhibitor of B cell lymphoma 6 (BCL6), with an IC50 of 1 nM. F1324 acetate exhibits binding t1/2 value of 441 s and has strong inhibition activity against BCL6 PPI.

F1324 TFA is a potent, high affinity peptidic inhibitor of B cell lymphoma 6 (BCL6), with an IC50 of 1 nM. F1324 TFA exhibits binding t1/2 value of 441 s and has strong inhibition activity against BCL6 PPI.

Dehydroaripiprazole (OPC-14857) is an active metabolite of Aripiprazole. Aripiprazole is an antipsychotic agent and is metabolized by CYP3A4 and CYP2D6 forming mainly Dehydroaripiprazole. Dehydroaripiprazole has with antipsychotic activity equivalent to Aripiprazole.

Didesethyl chloroquine (Bisdesethylchloroquine) is a major metabolite of the antimalarial drug Chloroquine. Didesethyl chloroquine is a potent myocardial depressant.

Didesmethyl cariprazine is a metabolite of Cariprazine and acts as the predominant circulating active moiety. Didesmethyl cariprazine has a long half-life of 1-3 weeks. Cariprazine is a antipsychotic drug candidate that exhibits high affinity for the D3 and D2 receptors, and moderate affinity for the 5-HT1A receptor.

meta-Fexofenadine (meta-MDL-16455) is an impurity of Fexofenadine. Fexofenadine, a H1R antagonist, is an anti-allergic agent used in seasonal allergic rhinitis and chronic idiopathic urticarial.

Desmethyl cariprazine is an active metabolite of Cariprazine. Cariprazine, an antipsychotic drug candidate, exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (2.6 nM).

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.

O-Desmethyl apixaban sulfate sodium is a major circulating metabolite of Apixaban in humans. O-Desmethyl apixaban sulfate sodium inhibits factor X (FXa) with a Ki of 58 μM.

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.

Hydroxy ziprasidone is an impurity of Ziprasidone. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist.

Keto Ziprasidone is an impurity of Ziprasidone. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist.

(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.

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.

3-O-Methyltolcapone (Ro 40-7591) is a metabolite of Tolcapone. Tolcapone is an orally active, reversible, selective and potent COMT inhibitor. Tolcapone crosses the blood-brain barrier, and can be used for treatment of Parkinson's disease.

4-Hydroxytolbutamide (Hydroxytolbutamide) is a metabolite of Tolbutamide. 4-Hydroxytolbutamide is metabolized by CYP2C8 and CYP2C9. Tolbutamide is a first generation potassium channel blocker and a sulfonylurea oral antidiabetic.

RPR132595A (NPC) is an active metabolite of CPT-11, which is generated by cytochrome P-450 3A4 (CYP3A4) and finally excreted through urine.

Gefitinib N-oxide is the N-oxide derivative of Gefitinib. Gefitinib is an EGFR tyrosine kinase inhibitor, with IC50 of 2-37 nM in NR6wtEGFR cells.

4-Hydroxypropranolol hydrochlorid is an active metabolite of Propranolol. 4-Hydroxypropranolol hydrochlorid is of comparable potency to Propranolol. 4-Hydroxypropranolol hydrochlorid inhibits β1- and β2-adrenergic receptors with pA2 values of 8.24 and 8.26, respectively. 4-Hydroxypropranolol hydrochlorid has intrinsic sympathomimetic activity, membrane stabilizing activity and potent antioxidant properties.

Dofetilide N-oxide (UK-116856) is a metabolite of Dofetilide. Dofetilide is a class III antiarrhythmic agent that blocks potassium channels.

RPR121056 (APC) is a metabolite of Irinotecan (CPT-11), which is generated by CYP3A4. Irinotecan (CPT-11) is an antineoplastic agent that inhibits topoisomerase type I, causing cell death, and is widely used in the treatment of colorectal cancer. Irinotecan also directly inhibits AChE.

Tie2 kinase inhibitor 1 (compound 5) is a potent, selective Tie2 kinase inhibitor with an IC50 of 250 nM. Tie2 kinase inhibitor 1 has anti-cancer activity.

Rp-cAMPS triethylammonium salt is an analog of cAMP which acts as a potent, competitive and cell-permeable antagonist of cAMP-induced activation of cAMP-dependent PKA I and II (Kis of 6.05 µM and 9.75 µM, respectively). Rp-cAMPS triethylammonium salt is resistant to hydrolysis by phosphodiesterases.