4h-1-benzopyran-4-one, 3-[2-(1h-benzimidazol-2-yl)ethenyl]- (en) is a chemical compound registered under CAS number 135491-47-3. TwoChem supplies 4h-1-benzopyran-4-one, 3-[2-(1h-benzimidazol-2-yl)ethenyl]- (en) for laboratory research and bulk production; product code 2042760. Send an inquiry for purity, packaging, price and lead time.