Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-102233	N/A	Impurity
	Carfilzomib Impurity 33
	C4X-102234	247068-81-1	Impurity
	Carfilzomib Impurity 34
	C4X-102235	868539-96-2	Impurity
	Carfilzomib Impurity 35
	C4X-102236	1140908-89-9	Impurity
	Carfilzomib Impurity 36
	C4X-102237	868539-99-5	Impurity
	Carfilzomib Impurity 37 (Trifluoroacetic Acid)
	C4X-102238	N/A	Impurity
	Carfilzomib Impurity 38 (Mixture of Diastereomers)
	C4X-102239	1541171-67-8	Impurity
	Carfilzomib Impurity 39
	C4X-10224	N/A	Impurity
	Carfilzomib Impurity 4
	C4X-102240	N/A	Impurity
	Carfilzomib Impurity 40
	C4X-102241	N/A	Impurity
	Carfilzomib Impurity 41