
Cefoxitin EP Impurity B ;
(2RS,6R,7S)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-[[(thiophen-2-yl) acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid sodium salt ;
C16H16N3NaO7S2 ;
MW: 449.43 ;
Cefoxitin EP Impurity B ;
(2RS,6R,7S)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-[[(thiophen-2-yl) acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid sodium salt ;
C16H16N3NaO7S2 ;
MW: 449.43 ;