| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1079200 | 1821717-21-8 (free base) | Impurity | |
| Tofacitinib Impurity 200 HCl | ||||
| C4X-1079201 | N/A | Impurity | |
| Tofacitinib Impurity 201 | ||||
| C4X-1079202 | N/A | Impurity | |
| Tofacitinib Impurity 202 | ||||
| C4X-1079203 | N/A | Impurity | |
| Tofacitinib Impurity 203 | ||||
| C4X-1079204 | N/A | Impurity | |
| Tofacitinib Impurity 204 | ||||
| C4X-1079205 | 2459302-87-3 | Impurity | |
| Tofacitinib Impurity 205 | ||||
| C4X-1079206 | N/A | Impurity | |
| Tofacitinib Impurity 206 | ||||
| C4X-1079207 | 2382711-65-9 | Impurity | |
| Tofacitinib Impurity 207 | ||||
| C4X-1079208 | 1638499-31-6 | Impurity | |
| Tofacitinib Impurity 208 | ||||
| C4X-1079209 | N/A | Impurity | |
| Tofacitinib Impurity 209 | ||||
