Chemical Structure CAT No. CAS Item Group Purity
Tofacitinib Impurity 196 C4X-1079196 N/A Impurity
Tofacitinib Impurity 196
Tofacitinib Impurity 197 C4X-1079197 N/A Impurity
Tofacitinib Impurity 197
Tofacitinib Impurity 198 C4X-1079198 N/A Impurity
Tofacitinib Impurity 198
Tofacitinib Impurity 2 C4X-10792 1092578-48-7 Impurity
Tofacitinib Impurity 2
Tofacitinib Impurity 20 C4X-107920 1092578-43-2 Impurity
Tofacitinib Impurity 20
Tofacitinib Impurity 200 HCl C4X-1079200 1821717-21-8 (free base) Impurity
Tofacitinib Impurity 200 HCl
Tofacitinib Impurity 201 C4X-1079201 N/A Impurity
Tofacitinib Impurity 201
Tofacitinib Impurity 202 C4X-1079202 N/A Impurity
Tofacitinib Impurity 202
Tofacitinib Impurity 203 C4X-1079203 N/A Impurity
Tofacitinib Impurity 203
Tofacitinib Impurity 204 C4X-1079204 N/A Impurity
Tofacitinib Impurity 204