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Verapamil hydrochloride (Isoptin) Immediate Release Tablet: Verapamil hydrochloride Ph Eur: 40 mg.
Verapamil hydrochloride Ph Eur: 80 mg.
Verapamil hydrochloride (Isoptin SR) Sustained-Release Tablet: Verapamil hydrochloride Ph Eur: 180 mg.
Verapamil hydrochloride Ph Eur: 240 mg.
Verapamil hydrochloride is a calcium ion influx inhibitor (slow channel blocker or calcium ion antagonist). The chemical name of verapamil hydrochloride is benzeneacetonitrile, α-[3-[{2-(3,4-dimethoxyphenyl)ethyl}methylaminol]propyl]-3,4-dimethoxy-α-(1-methylethyl) hydrochloride. It has a molecular weight of 491.07 and the molecular formula is C27H38N2O4 • HCl.
Verapamil hydrochloride is an almost white, crystalline powder, practically free of odor, with a bitter taste. It is soluble in water, freely soluble in chloroform, sparingly soluble in alcohol and practically insoluble in ether.
