| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107911 | 2227197-38-6 | Impurity | |
| Tofacitinib Impurity 11 | ||||
| C4X-1079110 | 1821769-41-8 | Impurity | |
| Tofacitinib Impurity 110 DiHCl | ||||
| C4X-1079111 | 2183519-70-0 | Impurity | |
| Tofacitinib Impurity 111 | ||||
| C4X-1079112 | N/A | Impurity | |
| Tofacitinib Impurity 112 | ||||
| C4X-1079113 | N/A | Impurity | |
| Tofacitinib Impurity 113 | ||||
| C4X-1079114 | N/A | Impurity | |
| Tofacitinib Impurity 114 | ||||
| C4X-1079115 | N/A | Impurity | |
| Tofacitinib Impurity 115 | ||||
| C4X-1079116 | 77862-24-9 | Impurity | |
| Tofacitinib Impurity 116 | ||||
 | C4X-1079117 | 873-83-6 | Impurity | |
| Tofacitinib Impurity 117 | ||||
| C4X-1079118 | 1615709-89-1 | Impurity | |
| Tofacitinib Impurity 118 | ||||
