Non-competitive and potent inhibitor of NAMPT (nicotinamide phosphoribosyltransferase, PBEF1) (Ki = 0.3 nM); inhibits NAD biosynthesis. Induces delayed cell death by apoptosis in HepG2 human liver carcinoma cells (IC50 ~1 nM). Induces apoptosis in four different neuroblastoma cell lines; also induces autophagy in SH-SY5Y cells. Potentiates the cytotoxic effects induced by etoposide (Cat. No. 1226) and cisplatin (Cat. No. 2251). Purity 98%. MW (observed): 427.97