SPL Set ID: db3fb41e-ed00-4fa9-b725-b8d9ba731de1
1 drug(s) with this SPL Set ID
Felodipine is a calcium antagonist (calcium channel blocker). Felodipine is a dihydropyridine derivative that is chemically described as ± ethyl methyl 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate. Its molecular formula is C 18 H 19 Cl 2 NO 4 and its structural formula is: Felodipine, USP is a light yellow to yellow crystalline powder with a molecular weight of 384.26. It is insoluble in water and is freely soluble in acetone and in methanol; very slightly soluble in heptane. Felodipine is a racemic mixture. Felodipine extended-release tablets, USP provide extended release of felodipine. They are available as tablets containing 2.5 mg, 5 mg or 10 mg of felodipine, USP for oral administration. Inactive ingredients are: calcium silicate, castor oil polyethoxylated 40, hydroxypropyl cellulose, hypromellose, lactose monohydrate, microcrystalline cellulose, propyl gallate, sodium stearyl fumarate, titanium dioxide, and triacetin. In addition, the 2.5 mg tablet strength contains FD&C Blue 2/indigo carmine aluminum lake and iron oxide yellow and the 5 mg and 10 mg strengths contain iron oxide red. Felodipine extended-release tablets, USP complies with USP Dissolution Test I and Test II.