Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-1079165	N/A	Impurity
	Tofacitinib Impurity 165
	C4X-1079166	N/A	Impurity
	Tofacitinib Impurity 166 DiHCl
	C4X-1079167	N/A	Impurity
	Tofacitinib Impurity 167
	C4X-1079168	N/A	Impurity
	Tofacitinib Impurity 168
	C4X-1079169	N/A	Impurity
	Tofacitinib Impurity 169 DiHCl
	C4X-107917	1675248-19-7	Impurity
	Tofacitinib Impurity 17
	C4X-1079170	N/A	Impurity
	Tofacitinib Impurity 170 Trifluoroacetate
	C4X-1079171	N/A	Impurity
	Tofacitinib Impurity 171
	C4X-1079172	N/A	Impurity
	Tofacitinib Impurity 172
	C4X-1079173	N/A	Impurity
	Tofacitinib Impurity 173