بيستول بلس 6.25/2.5 مجم 20 قرص

DESCRIPTION Bisoprolol fumarate tablets are a synthetic, beta 1 -selective (cardioselective) adrenoceptor blocking agent. The chemical name for bisoprolol fumarate is (±)-1-[4-[[2-(1-Methylethoxy)ethoxy]methyl]phenoxy]-3‑ [(1-methylethyl)amino]-2-propanol( E )-2-butenedioate (2:1) (salt). It possesses an asymmetric carbon atom in its structure and is provided as a racemic mixture. The S(-) enantiomer is responsible for most of the beta-blocking activity. Its empirical formula is (C 18 H 31 NO 4 ) 2 •C 4 H 4 O 4 and its structure is: Bisoprolol fumarate, USP, has a molecular weight of 766.97. It is a white crystalline powder which is approximately equally hydrophilic and lipophilic, and is readily soluble in water, methanol, ethanol, and chloroform. Bisoprolol fumarate tablets are available as 5 and 10 mg tablets for oral administration. Inactive ingredients include Colloidal Silicon Dioxide, Crospovidone, Dicalcium Phosphate Anhydrous, Magnesium Stearate, Mannitol, Microcrystalline Cellulose, Pregelatinized Starch. The coating materials for all strengths contain Macrogol/PEG, Polyvinyl Alcohol-part hydrolyzed, Talc, Titanium Dioxide. The 5 mg tablets also contain Red Iron Oxide. FDA approved dissolution test specifications differ from USP. structure