SPL Set ID: 62441488-fc97-4535-a249-4485fb075022

Cefazolin for injection, USP is a semi-synthetic cephalosporin for parenteral administration. It is the sodium salt of (6R,7R)-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio] methyl}-8-oxo-7-[2-(1H-tetrazol-1-yl)acetamido]-5-thia-1-azabicyclo [4.2.0] oct-2-ene-2-carboxylic acid. Structural Formula: Molecular Formula: C 14 H 13 N 8 NaO 4 S 3 Molecular Weight: 476.5 The sodium content is 48 mg (2.1 mEq) per 1 gram of cefazolin sodium. Cefazolin for injection, USP is a sterile, white to yellowish powder. Each ADD-Vantage ® vial contains, cefazolin sodium equivalent to 1 gram of cefazolin. chemical-structure