Each vial contains Cefoxitin (as sodium), USP 1 g.
Cefoxitin for injection is a semi-synthetic, broad-spectrum cepha antibiotic sealed under nitrogen for intravenous administration. It is derived from cephamycin C, which is produced by Streptomyces lactamdurans. Its chemical name is 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). The molecular formula is C16H16N3NaO7S2.