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GW 610 is an antitumor benzothiazole that shows growth-inhibitory activity against several cancer cell lines. In MCF-7 and MDA 468 human cancer cell lines, potent antiproliferative activity (growth inhibition (GI₅₀) < 0.1 nM) was observed. Potent and selective activity was also observed in the NCI 60 human cancer cell line panel. In contrast with previously reported 2-(4-aminophenyl)benzothiazoles, GW 610 is not reliant on induction of cytochrome P 1A1 (CYP1A1) expression for antitumor activity.

GW 610 is a fluorinated 2-arylbenzothiazole and potential antitumor drug, which shows potent and selective inhibitory activity against breast, lung, and colon cancer cell lines. Studies suggest that the species-specific partial agonism of the aryl hydrocarbon receptor shown by GW 610 plays an important role in its anti-proliferative activity.

[1] CATRIONA G. MORTIMER. Antitumor Benzothiazoles. 26.1 2-(3,4-Dimethoxyphenyl)-5-fluorobenzothiazole (GW 610, NSC 721648), a Simple Fluorinated 2-Arylbenzothiazole, Shows Potent and Selective Inhibitory Activity against Lung, Colon, and Breast Cancer Cell Lines[J]. Journal of Medicinal Chemistry, 2005, 49 1: 179-185. DOI: 10.1021/jm050942k