| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107963 | 1354469-76-3 | Impurity | |
| Tofacitinib Impurity 63 | ||||
 | C4X-107964 | 2504210-40-4 | Impurity | |
| Tofacitinib Impurity 64 | ||||
| C4X-107965 | N/A | Impurity | |
| Tofacitinib Impurity 65 | ||||
 | C4X-107966 | 477600-69-4 | Impurity | |
| Tofacitinib Impurity 66 | ||||
| C4X-107967 | N/A | Impurity | |
| Tofacitinib Impurity 67 | ||||
| C4X-107968 | N/A | Impurity | |
| Tofacitinib Impurity 68 | ||||
| C4X-107969 | N/A | Impurity | |
| Tofacitinib Impurity 69 | ||||
| C4X-10797 | 1616761-00-2 | Impurity | |
| Tofacitinib Impurity 7 | ||||
| C4X-107970 | 2640342-78-3 | Impurity | |
| Tofacitinib Impurity 70 | ||||
 | C4X-107971 | 134965-85-8 | Impurity | |
| Tofacitinib Impurity 71 | ||||
