Verapamil hydrochloride 5G. Verapamil hydrochloride, CAS: 152-11-4, MF: C27H38N2O4. HCl, Purity: greater than or equal to 98%, Appearance: White solid, Synonym: A-[3-[[2-(3, 4-Dimethoxyphenyl)ethyl]methylamino]propyl]-3, 4-dimethoxy-A-(1-methylethyl)benzeneacetonitrile hydrochloride, Size: 5G