SPL Set ID: 993c3a0d-5472-3de3-e053-2995a90acdf6

Metoprolol Tartrate Injection, USP, is a selective beta 1-adrenoreceptor blocking agent, available in 5 mL vials for intravenous administration. Each vial contains a sterile solution of metoprolol tartrate, 5 mg, and sodium chloride, 45 mg, and water for injection. Metoprolol tartrate is (±)-1-(Isopropylamino)-3-[ p-(2-methoxyethyl)phenoxy]-2-propanol L-(+)-tartrate (2:1) salt, and its structural formula is: M.W. 684.82 Metoprolol tartrate, USP, is a white, practically odorless, crystalline powder. It is very soluble in water; freely soluble in methylene chloride, in chloroform, and in alcohol; slightly soluble in acetone; and insoluble in ether. STRUCTURE