Chemical Structure	CAT No.	CAS	Item Group	Purity
	C4X-1079100	N/A	Impurity
	Tofacitinib Impurity 100 (Enantiomer Mixture)
	C4X-1079101	N/A	Impurity
	Tofacitinib Impurity 101
	C4X-1079102	1640972-35-5	Impurity
	Tofacitinib Impurity 102
	C4X-1079103	N/A	Impurity
	Tofacitinib Impurity 103
	C4X-1079104	39929-79-8	Impurity
	Tofacitinib Impurity 104
	C4X-1079105	2459302-85-1	Impurity
	Tofacitinib Impurity 105
	C4X-1079106	3430-27-1	Impurity
	Tofacitinib Impurity 106
	C4X-1079107	N/A	Impurity
	Tofacitinib Impurity 107 DiHCl
	C4X-1079108	1354486-07-9	Impurity
	Tofacitinib Impurity 108 DiHCl
	C4X-1079109	N/A	Impurity
	Tofacitinib Impurity 109