 
        Piperacillin EP Impurity B (E-Isomer) (Mixture of Diastereomers)
CAS: 2649505-14-4 
 Molecular Formula: C23H29N5O8S 
 Molecular Weight: 535.6 
 CRS Part Number: CRSP3192
 
        CAS: 2649505-14-4 
 Molecular Formula: C23H29N5O8S 
 Molecular Weight: 535.6 
 CRS Part Number: CRSP3192
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