CCL07A: Cefaclor EP Impurity G

CCL07A: Cefaclor EP Impurity G

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Isocefalexine ;

(2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid ; 

CAS # 67308-21-8 (acid) ; 37050-97-8 (sodium salt) ;

 C16H17N3O4S ; Mol. Wt.: 347.39 ;