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:
Smile:
Cefalexin EP Impurity B 
CAT No::VS-C037008
CAS No:22252-43-3
Mol.Wt.:C8H10N2O3S 
Mol.Wt.:214.3
Status:Custom Synthesis
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