Cefazolin Sodium

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Cefazolin Sodium

C₁₄H₁₃N₈NaO₄S₃ 476.49
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-7-[[(1H-tetrazol-1-yl)acetyl]amino]-, monosodium salt (6R-trans)-;
Monosodium (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-carboxylate; [27164-46-1]

DEFINITION

Cefazolin Sodium has a potency equivalent to NLT 89.1% and NMT 110.1% of cefazolin sodium (C₁₄H₁₃N₈NaO₄S₃), calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Cefazolin RS

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