Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-173225	N/A	Impurity
	Piperacillin Impurity 25
	C4X-173226	15537-71-0	Impurity
	Piperacillin Impurity 26
	C4X-173227	67275-27-8	Impurity
	Piperacillin Impurity 27
	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-173230	N/A	Impurity
	Piperacillin Impurity 30
	C4X-173231	N/A	Impurity
	Piperacillin Impurity 31
	C4X-173232	N/A	Impurity
	Piperacillin Open-Ring Methyl Ester Impurity 2
	C4X-173234	N/A	Impurity
	Piperacillin Impurity 34