SPL Set ID: 6517d564-ea55-4084-a8ab-34fea548c24e

BISOPROLOL FUMARATE, USP is 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 molecular formula is (C 18 H 31 NO 4 ) 2 • C 4 H 4 O 4 and its structure is: Bisoprolol fumarate has a molecular weight of 766.96. 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, USP are available as 5 and 10 mg tablets for oral administration. Inactive ingredients include: microcrystalline cellulose, pregelatinized starch, dicalcium phosphate, colloidal silicon dioxide, magnesium stearate, iron oxide red and ferrosoferric oxide. FDA approved dissolution test specifications differ from USP. biso-structure