2-Hydroxy-4-methylbenzenesulphonic acid ammonium is an impurity of Policresulen. Policresulen is a potent NS2B/NS3 protease inhibitor with an IC50 of 0.48 μg/mL. Policresulen effectively inhibits the replication of DENV2 virus in BHK-21 cells with an IC50 of 4.99 μg/mL. Policresulen acted as a competitive inhibitor of the protease, and slightly affected the protease stability.

5-Hydroxytoluene-2,4-disulphonic acid diammonium is an impurity of Policresulen. Policresulen is a potent NS2B/NS3 protease inhibitor with an IC50 of 0.48 μg/mL. Policresulen effectively inhibits the replication of DENV2 virus in BHK-21 cells with an IC50 of 4.99 μg/mL. Policresulen acted as a competitive inhibitor of the protease, and slightly affected the protease stability.

6-Azathymine acid is a metabolite of Pymetrozine. Pymetrozine is active against plant-sucking insects, such as aphids and whiteflies in vegetables, cotton, field crops and fruits and affects the nervous regulation of feeding behavior.

6-Azathymine, a 6-nitrogen analog of thymine, is a potent D-3-aminoisobutyrate-pyruvate aminotransferase inhibitor. 6-Azathymine inhibits the biosynthesis of DNA, and has antibacterial and antiviral activities.

WYC-210, a Tazarotene derivative, is a retinoid compound with lower anticancer activity.

β-Bisabolene is a?sesquiterpene isolated from?opoponax (Commiphora guidotti). β-Bisabolene, an anti-cancer agent, can be used for the study of breast cancer.

H-β-Ala-AMC TFA is a substrate for aminopeptidase.

Resolvin D3 (RvD3) is a docosahexaenoic acid (DHA) derived mediator. Resolvin D3 is dysregulated in arthritis and reduces arthritic inflammation.

CIL62 is a caspase-3/7-independent cell death inducer. The mechanism of action of CIL62 is Necrostatin-1 dependent cell death.

T-705RMP, a phosphorylated metabolite of T-705, exhibits a very weak inhibitory effect on the IMP dehydrogenase (IMPDH) activities of the host cells, with an IC50 of 601 μM.

Coenzyme FO, a deazaflavin chromophore, acts as an important hydride acceptor/donor in the central methanogenic pathway.

FEN1-IN-3 (Compound 4) is a human flap endonuclease-1 (hFEN1) inhibitor. FEN1-IN-3 stabilizes hFEN1 with an EC50 of 6.8 μM.

Pentagamavunon-1 (PGV-1), a Curcumin analog with oral activity, targets on several molecular mechanisms to induce apoptosis including inhibition of angiogenic factors cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF). PGV-1 inhibits NF-κB activation.

SQI-Pr is a conductive Na+ ionophore that selectively increases Na+ conductance in human neutrophils.

Polyoxin D (Polyoxorim), a polyoxin antibiotic fungicide, is a potent chitin synthetase inhibitor.

Calcium ionophore I (ETH 1001) is a selective Ca2+ ionophore for biological membranes. Calcium ionophore I can be used in Ca2+-selective microelectrodes that can be used for quantitative intracellular measurements of resting Ca2+-activities and of slowly changing Ca2+-levels.

3-ANOT is a metabolite of Dinitolmide (a nitroamide coccidiostat commonly used in poultry production).

2-NP-AHD is a 2-nitrophenyl derivative of AHD (a metabolite of nitrofurans type of antibiotics), can be used as indicator of the illegal usage of nitrofuran drugs.

2-NP-AMOZ is a 2-nitrophenyl derivative of AMOZ (a metabolite of antibiotic Furaltadone), can be used to detect protein bound AMOZ.

CR-1-31-B is a potent eIF4A RNA helicase inhibitor. CR-1-31-B blocks MUC1-C translation in response to growth factor stimulation in breast cancer cells.

Triclabendazole sulfoxide (TCBZ-SO) is the main plasma metabolite of Triclabendazole, and exhibits anti-parasite effects. Triclabendazole sulfoxide can inhibit membrane transporter ABCG2/BCRP.

Bromchlorbuterol hydrochloride is an active β-adrenergic agonist (β-agonist) and can be used for the research of pulmonary disease and asthma.

SJ000025081 is a dihydropyridine and acts as a potent antimalarial agent. SJ000025081 results in an obvious suppression of the parasitemia in a murine malaria model infected with?P. yoelii.

Terbuthylazine-desethyl (Desethylterbuthylazine) is a chloro dealkylated metabolite of Terbuthylazine (a triazine herbicide).

Triclosan-methyl is a transformation product of triclosan. Triclosan is a bactericide in personal care products such as toothpaste, shampoos, and soaps. Triclosan is also a stabilizing agent in a multitude of detergents and cosmetics.

Hydroxymetronidazole (Metronidazole-OH) is a metabolite of Metronidazole belonging to the class of nitroimidazoles. Hydroxymetronidazole can be used for the research of certain bacterial and protozoal diseases in poultry, swine dysentery and genital trichomoniasis in cattle.

Ternidazole hydrochloride is a hydroxymetabolite of nitroimidazole, has antiprotozoic properties.

Mapenterol hydrochloride is a type of β2-adrenoceptor agonist.

m-Chloramphenicol (m-threo-Chloramphenicol) is an impurity of Chloramphenicol. Chloramphenicol, a broad-spectrum antibiotic, acts as a potent inhibitor of bacterial protein biosynthesis.

N,N'-Dinitrosopiperazine (1,4-Dinitrosopiperazine; DNP) is a carcinogen with specificity for nasopharyngeal epithelium and facilitates NPC metastasis. N,N'-Dinitrosopiperazine regulates multiple signaling pathways through protein phosphorylation, including LYRIC at serine 568.