| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18145 | 2036139-30-5 | Impurity | |
| Nintedanib Impurity 5 | ||||
| C4X-181451 | 2102162-79-6 | Impurity | |
| Nintedanib Impurity 51 (Z-Isomer) | ||||
| C4X-181453 | 1160293-22-0 | Impurity | |
| Nintedanib Impurity 53 | ||||
| C4X-181455 | 1438271-13-6 | Impurity | |
| Nintedanib Impurity 55 | ||||
| C4X-181456 | 1160293-24-2 | Impurity | |
| Nintedanib Impurity 56 | ||||
 | C4X-181457 | 1174335-83-1 | Impurity | |
| Nintedanib Impurity 57 | ||||
| C4X-181458 | 1160293-24-2 | Impurity | |
| Nintedanib Impurity 58 | ||||
 | C4X-181459 | 350-46-9 | Impurity | |
| Nintedanib Impurity 59 | ||||
 | C4X-18146 | 1139453-98-7 | Impurity | |
| Nintedanib Impurity 6 | ||||
| C4X-181461 | N/A | Impurity | |
| Nintedanib Impurity 61 | ||||
