cefoxitin sodium and its Impurities
An antibiotic derived from cephamycin , it shows high resistance to β-lactamase inactivation. Reference standards of Cefoxitin Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Cefoxitin Sodium - Impurity H (Sodium Salt)
(6R,7R)-3-[(Carbamoyloxy)methyl]-8-oxo-7-[2-(thiophen-2-yl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Sodium Salt
Catalogue No.:PA 03 0280081
CAS :
51601-76-4
Molecular Formula : C15H15N3NaO6S2
Molecular Weight : 420.41