SPL Set ID: d87bd6b5-bf92-49c1-879b-dc2add3deae6

Daptomycin for Injection contains daptomycin, a cyclic lipopeptide antibacterial agent derived from the fermentation of Streptomyces roseosporus . The chemical name is N-decanoyl-L-tryptophyl-D-asparaginyl-L-aspartyl-L-threonylglycyl-L-ornithyl-L- aspartyl-D-alanyl-L-aspartylglycyl-D-seryl-threo-3-methyl-L-glutamyl-3-anthraniloyl-L- alanine ε 1 -lactone. The empirical formula is C 72 H 101 N 17 O 26 ; the molecular weight is 1620.67. The chemical structure is: Daptomycin for Injection is supplied in a single-dose vial as a sterile, preservative-free, pale yellow to light brown lyophilized powder containing 350 mg or 500 mg of daptomycin for intravenous (IV) use following reconstitution with Sterile Water for Injection [see Dosage and Administration (2.7)] . Freshly reconstituted solutions of Daptomycin for Injection range in color from pale yellow to light brown. Daptomycin for Injection 350 mg per vial, contains 350 mg daptomycin and 210 mg arginine hydrochloride. Hydrochloric acid and/or sodium hydroxide is used to adjust the pH. Daptomycin for Injection 500 mg per vial contains 500 mg daptomycin, and 300 mg arginine hydrochloride. Hydrochloric acid and/or sodium hydroxide is used to adjust the pH. daptomycin-spl-structure