Cefoxitin Sodium
C16H16N3NaO7S2
449.43
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-, sodium salt (6R-cis)-;
Sodium (6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[2-(2-thienyl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate carbamate (ester) [33564-30-6]
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-, sodium salt (6R-cis)-;
Sodium (6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[2-(2-thienyl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate carbamate (ester) [33564-30-6]
DEFINITION
Cefoxitin Sodium contains the equivalent of NLT 927 µg/mg and NMT 970 µg/mg of cefoxitin (C16H17N3O7S2), corresponding to NLT 97.5% and NMT 102.0% of cefoxitin sodium (C16H16N3NaO7S2), calculated on the anhydrous and acetone- and methanol-free basis.