SPL Set ID: 9d529fe3-7b5c-4dde-9a8c-440a969df359
1 drug(s) with this SPL Set ID
Verapamil Hydrochloride Extended-Release Tablets, USP are calcium ion influx inhibitor (slow-channel blocker or calcium ion antagonist). Verapamil Hydrochloride Extended-Release Tablets, USP are available for oral administration as brown colored, oval, biconvex, film-coated tablets containing 120 mg of verapamil hydrochloride, USP (equivalent to 111.08 mg verapamil free base), as brown colored, oval, biconvex, film-coated tablets containing 180 mg of verapamil hydrochloride, USP (equivalent to 166.62 mg verapamil free base), and as brown colored, oval, biconvex, film-coated tablets containing 240 mg of verapamil hydrochloride, USP (equivalent to 222.16 mg verapamil free base). The tablets are designed for sustained release of the drug in the gastrointestinal tract; sustained-release characteristics are not altered when the tablet is divided in half. The structural formula of verapamil HCl, USP is given below: C 27 H 38 N 2 O 4 ·HCl M.W. 491.06 g/mol Benzeneacetonitrile, α-[3-[[2-(3,4-dimethoxyphenyl)-ethyl]methylamino]propyl]-3,4-dimethoxy-α-(1-methylethyl) hydrochloride Verapamil HCl, USP 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. Verapamil HCl, USP is not chemically related to other cardio active drugs. In addition to verapamil HCl, USP, the Verapamil Hydrochloride Extended-Release Tablets, USP contain the following inactive ingredients: colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium alginate, and titanium dioxide. The following are the color additives per tablet strength: Strength (mg) Color Additive(s) 120 Ferric Oxide Yellow, Ferric Oxide Red and Ferric Oxide Black 180 Ferric Oxide Yellow, Ferric Oxide Red and Ferric Oxide Black 240 Ferric Oxide Yellow, Ferric Oxide Red and Ferric Oxide Black FDA approved dissolution test specifications differ from USP for Verapamil Hydrochloride Extended-Release Tablets, USP, 120 mg, 180 mg and 240 mg. structure