Isoptin SR Description

Active drug substance: verapamil hydrochloride.
1 film coated tablet contains 240mg of verapamil hydrochloride.
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} methylamino] 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 a calcium ion influx inhibitor (slow channel blocker or calcium ion antagonist). 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.
Excipients/Inactive Ingredients: Cellulose, Montan Glycol Wax, Macrogols (Type 400 and Type 6000), Magnesium stearate, Hypromellose, Povidone, Quinoline yellow, Indigo Carmine, Sodium alginate, Talc, Titanium dioxide, Ethanol anhydrous, Purified water.