SPL Set ID: c635f442-2349-4820-877a-a42e5f0a44b5
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 verapamil hydrochloride USP, as brown colored, oval, biconvex, film-coated tablets containing 180 mg verapamil hydrochloride USP, and as brown colored, oval, biconvex, film-coated tablets containing 240 mg verapamil hydrochloride USP. 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 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, chloroform and methanol. Verapamil HCl USP is not chemically related to other cardioactive drugs. In addition to verapamil HCl USP, the verapamil hydrochloride extended-release tablets USP contain the following ingredients: colloidal silicon dioxide, sodium alginate, hypromellose, magnesium stearate, microcrystalline cellulose, povidone, polyethylene glycol 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 Verapamil hydrochloride extended-release tablets USP, 120 mg, 180 mg and 240 mg meet USP Dissolution Test 1. Structure of Verapamil Hydrochloride