| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1079143 | 1206875-41-3 | Impurity | |
| Tofacitinib Impurity 143 | ||||
| C4X-1079144 | 2091669-67-7 | Impurity | |
| Tofacitinib Impurity 144 | ||||
 | C4X-1079145 | 1092578-45-4 | Impurity | |
| Tofacitinib Impurity 145 | ||||
| C4X-1079146 | 2459302-75-9 | Impurity | |
| Tofacitinib Impurity 146 | ||||
| C4X-1079147 | N/A | Impurity | |
| Tofacitinib Impurity 147 | ||||
| C4X-1079148 | N/A | Impurity | |
| Tofacitinib Impurity 148 | ||||
| C4X-1079149 | 861612-04-6 | Impurity | |
| Tofacitinib Impurity 149 | ||||
| C4X-107915 | N/A | Impurity | |
| Tofacitinib Impurity 15 | ||||
| C4X-1079150 | 1616761-01-3 | Impurity | |
| Tofacitinib Impurity 150 | ||||
| C4X-1079151 | 1548270-19-4 | Impurity | |
| Tofacitinib Impurity 151 | ||||
