Gefitinib impurity 1 is the impurity of Gefitinib. Gefitinib (ZD1839) is a potent, selective and orally active EGFR tyrosine kinase inhibitor with an IC50 of 33 nM. Gefitinib selectively inhibits EGF-stimulated tumor cell growth (IC50 of 54 nM) and that blocks EGF-stimulated EGFR autophosphorylation in tumor cells. Gefitinib also induces autophagy. Gefitinib has antitumour activity.

Cetirizine Impurity C is an impurity of Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist[1][2].

Ziprasidone amino acid (Ziprasidone Impurity C) is an impurity of Ziprasidone. Ziprasidone is a combined 5-HT (serotonin) and dopamine receptor antagonist. Ziprasidone exhibits potent effects of antipsychotic activity .

Febuxostat isopropyl isomer is an impurity of Febuxostat. Febuxostat is selective xanthine oxidase inhibitor with a Ki of 0.6 nM.

Dihydro Donepezil (Dihydro E2020) is a metabolite of Donepezil. Donepezil is a specific and potent AChE inhibitor with IC50s of 8.12 nM and 11.6 nM for bAChE and hAChE, respectively.

Cetirizine 3-chloro impurity is an impurity of Cetirizine 3-chloro.

Bcl-2-IN-2 is a potent and selective Bcl-2 inhibitor with an IC50 of 0.034 nM and also inhibits Bcl-xL with an IC50 of 43 nM, showing >1000-fold selectivity for Bcl-2 over Bcl-xL.

DM-01 is a powerful and selective EZH2 inhibitor for the research of diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), and SNF5/INI-1/SMARCB1 genetically defined solid tumors.

Curdlan is a polysaccharide produced by bacteria and a homopolymer of glucose with β-1,3-glucosidic linkage.

Thalidomide-O-C8-Boc is the Thalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Thalidomide-O-C8-Boc can be connected to the ligand for protein by a linker to form PROTACs.

Brombuterol hydrochloride (Bromobuterol hydrochloride) is a β-adrenergic receptor agonist.

Cadein1, an isoquinolinium derivative, leads to a G2/M delay and caspase-dependent apoptosis in cancer cells with non- functional p53.

Monensin methyl ester, a neutral analog of monensin, is an ion active component for Na+ selective disk electrodes.

Ganglioside GD3 disodium salt is a melanoma-associated antigen and has been used as a target for the immune therapy of melanomas.

7-Acetoxy-1-methylquinolinium iodide (AMQI) is a fluorogenic substrate for cholinesterase (Ex = 320 nm, Em = 410 nm). Hydrolysis of 7-acetoxy-1-methylquinolinium iodide is used at the fluorometric flow system for the detection and identification of inhibitors..

Metolcarb is a N-methylcarbamate pesticide that can be used in many agricultural products.

trans-4-Nitrocinnamoyl chloride is used as derivatization reagent.

N-Nitrosomorpholine is a nitrosamine that is sensitive to light. N-nitrosomorpholine is a strong animal carcinogen.

4-Nonylphenol-D5 (4-n-Nonylphenol-2,3,5,6-d4,OD) is the deuterium labeled 4-Nonylphenol. 4-Nonylphenol, a major degradation product of Nonylphenol ethoxylates (NPEOs), is a persistent organic pollutant with endocrine-disrupting properties and exerts estrogenic activity.

4-Isobutylbenzoic acid is an intermediate in the synthesis of compounds.

Bromonitromethane is a halonitromethane that can be used in production of various protected α-bromo nitroalkane donors for use in Umpolung Amide Synthesis (UmAS).

Desmethyl Ketoprofen has anti-inflammatory and analgesic activities. Desmethyl Ketoprofen can be used for the study of angiogenesis-related disorders.

Dihydrojasmonic acid is a plant growth regulator.

Cyclo(Tyr-Leu) is a cyclic dipeptide.

Valiolamine, an aminocyclitol has been isolated from the fermentation broth of Streptomyces hygroscopicus subsp. Valiolamine has potent alpha-glucosidase inhibitory activity against porcine intestinal sucrase, maltase and isomaltase.

N-Nitrosodibutylamine (N-Nitroso-di-n-butylamine) is a nitrosamine enriched in the drinking water.

N-Pivaloyl-L-tyrosine is an N-pivaloyl amino acid ester.

Cyclo(Ala-Glu) is a cyclic dipeptide.

Cyclo(Gly-Tyr) is a cyclic dipeptide.

β-Aspartylaspartic acid is a natural compound found in Asparagus (Asparagus officinalis) Shoots.