Specification :

CCF01: Cefaclor

( 6R, 7R) -7-[ [ ( 2R) -2-amino-2-phenylacetyl] amino] -3-chloro-8-oxo-5-th ia-1-azabicyclo[ 4.2.0] oct-2-ene-2-carboxylic acid monohydrate
[ 53994-73-3]

CCL02: Cefaclor EP Impurity A

( 2R) -2-amino-2-phenylacetic acid ( " phenylglycine" )

CCL03: Cefaclor EP Impurity B

( 6R, 7R) -7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[ 4.2.0] oct-2-ene-2-carb oxylic acid

CCL04: Cefaclor EP Impurity C

( 6R, 7R) -7-[ [ ( 2S) -2-amino-2-phenylacetyl] amino] -3-chloro-8-oxo-5-thia-1-az abicyclo[ 4.2.0] oct-2-ene-2-carboxylic acid ( " Cefaclor 2S-Isomer" )