| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1079129 | 1527525-58-1 | Impurity | |
| Tofacitinib Impurity 129 | ||||
| C4X-107913 | 1812890-23-5 | Impurity | |
| Tofacitinib Impurity 13 | ||||
 | C4X-1079130 | 2564-07-0 | Impurity | |
| Tofacitinib Impurity 130 | ||||
| C4X-1079131 | N/A | Impurity | |
| Tofacitinib Impurity 131 DiHCl | ||||
| C4X-1079132 | N/A | Impurity | |
| Tofacitinib Impurity 132 | ||||
 | C4X-1079133 | 10132-07-7 | Impurity | |
| Tofacitinib Impurity 133 | ||||
| C4X-1079134 | N/A | Impurity | |
| Tofacitinib Impurity 134 | ||||
| C4X-1079135 | N/A | Impurity | |
| Tofacitinib Impurity 135 | ||||
| C4X-1079136 | 2803420-43-9 | Impurity | |
| Tofacitinib Impurity 136 | ||||
| C4X-1079137 | 7400-06-8 | Impurity | |
| Tofacitinib Impurity 137 | ||||
