| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10799 | 2250243-18-4 | Impurity | |
| Tofacitinib Impurity 9 | ||||
| C4X-107990 | N/A | Impurity | |
| Tofacitinib Impurity 90 | ||||
 | C4X-107991 | 3680-71-5 | Impurity | |
| Tofacitinib Impurity 91 | ||||
| C4X-107992 | N/A | Impurity | |
| Tofacitinib Impurity 92 | ||||
| C4X-107993 | 2227197-38-6 | Impurity | |
| Tofacitinib Impurity 93 | ||||
| C4X-107994 | N/A | Impurity | |
| Tofacitinib Impuriyt 94 | ||||
| C4X-107995 | N/A | Impurity | |
| Tofacitinib Impurity 95 | ||||
 | C4X-107996 | 2174011-55-1 | Impurity | |
| Tofacitinib Impurity 96 | ||||
| C4X-107997 | N/A | Impurity | |
| Tofacitinib Impurity 97 | ||||
| C4X-107998 | N/A | Impurity | |
| Tofacitinib Impurity 98 | ||||
