Cefradine EP Impurity A

Chemical Name: (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP)

Synonym: 7-aminodeacetoxycephalosporanic acid, 7-ADCA (EP) ; Cephalexin 7-Aminodesacetoxycephalosporanic acid (USP);

Smile: O=C(C(N12)=C(C)CS[C@]2([H])[C@@](N)([H])C1=O)O