Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-173228	N/A	Impurity
	Piperacillin Impurity 28
	C4X-173229	N/A	Impurity
	Piperacillin Open-Ring Methyl Ester Impurity 1
	C4X-17323	N/A	Impurity
	Piperacillin Impurity 6
	C4X-173239	N/A	Impurity
	Piperacillin EP Impurity T
	C4X-173240	N/A	Impurity
	Piperacillin Impurity 40
	C4X-173247	52-67-5	Impurity
	Piperacillin Impurity 47
	C4X-173248	24461-61-8	Impurity
	Piperacillin Impurity 48
	C4X-173253	65322-79-4	Impurity
	Piperacillin Impurity 53
	C4X-173259	59702-31-7	Impurity
	Piperacillin EP Impurity E
	C4X-17326	N/A	Impurity
	Piperacillin EP Impurity F