Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-1079161	1638499-36-1	Impurity
	Tofacitinib Impurity 161
	C4X-1079162	N/A	Impurity
	Tofacitinib Impurity 162
	C4X-1079163	N/A	Impurity
	Tofacitinib Impurity 163
	C4X-1079164	71607-31-3	Impurity
	Tofacitinib Impurity 164
	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