| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1079171 | N/A | Impurity | |
| Tofacitinib Impurity 171 | ||||
| C4X-1079172 | N/A | Impurity | |
| Tofacitinib Impurity 172 | ||||
| C4X-1079173 | N/A | Impurity | |
| Tofacitinib Impurity 173 | ||||
| C4X-1079174 | N/A | Impurity | |
| Tofacitinib Impurity 174 | ||||
| C4X-1079175 | N/A | Impurity | |
| Tofacitinib Impurity 175 | ||||
| C4X-1079176 | N/A | Impurity | |
| Tofacitinib Impurity 176 | ||||
| C4X-1079177 | N/A | Impurity | |
| Tofacitinib Impurity 177 | ||||
| C4X-1079178 | 934524-10-4 | Impurity | |
| Tofacitinib Impurity 178 | ||||
| C4X-1079179 | N/A | Impurity | |
| Tofacitinib Impurity 179 HCl | ||||
 | C4X-107918 | 2504210-41-5 | Impurity | |
| Tofacitinib Impurity 18 | ||||
