| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107972 | 1260614-73-0 | Impurity | |
| Tofacitinib Impurity 72 | ||||
 | C4X-107973 | N/A | Impurity | |
| Tofacitinib Impurity 73 | ||||
| C4X-107974 | N/A | Impurity | |
| Tofacitinib Impurity 74 | ||||
| C4X-107975 | N/A | Impurity | |
| Tofacitinib Impurity 75 | ||||
| C4X-107976 | N/A | Impurity | |
| Tofacitinib Impurity 76 | ||||
| C4X-107978 | N/A | Impurity | |
| Tofacitinib Impurity 78 | ||||
 | C4X-107979 | 16372-08-0 | Impurity | |
| Tofacitinib Impurity 79 | ||||
| C4X-10798 | N/A | Impurity | |
| Tofacitinib Impurity 8 | ||||
| C4X-107980 | N/A | Impurity | |
| Tofacitinib Impurity 80 | ||||
 | C4X-107981 | 2315287-12-6 | Impurity | |
| Tofacitinib Impurity 81 | ||||
