Amoxicillin EP Impurity A (Piperacillin EP Impurity H, Sulbactam EP Impurity B)
CAS No. 551-16-6
C8H12N2O3S
M.W. 216.26

Sulbactam Impurity B (Amoxicillin Impurity A, Piperacillin EP Impurity H)
CAS No. 551-16-6
C8H12N2O3S
M.W. 216.26

Piperacillin EP Impurity B (Mixture of Diastereomers)
C23H29N5O8S
M.W. 535.57

Piperacillin Impurity N
CAS No. 2170771-53-4
C46H54N10O14S2
M.W. 1035.11

Piperacillin Impurity 5
CAS No. 64817-22-7
C23H29N5O8S
M.W. 535.58
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