| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18144 | 676326-36-6 | Impurity | |
| Nintedanib Impurity 4 | ||||
 | C4X-181440 | 78466-25-8 | Impurity | |
| Nintedanib Impurity 40 | ||||
 | C4X-181441 | 121-95-9 | Impurity | |
| Nintedanib Impurity 41 | ||||
| C4X-181448 | 5395-70-0 | Impurity | |
| Nintedanib Impurity 48 DiHCl | ||||
 | C4X-181449 | 1168152-07-5 | Impurity | |
| Nintedanib Impurity 49 | ||||
 | C4X-181457 | 1174335-83-1 | Impurity | |
| Nintedanib Impurity 57 | ||||
 | C4X-181459 | 350-46-9 | Impurity | |
| Nintedanib Impurity 59 | ||||
 | C4X-18146 | 1139453-98-7 | Impurity | |
| Nintedanib Impurity 6 | ||||
 | C4X-181464 | 855860-75-2 | Impurity | |
| Nintedanib Impurity 64 | ||||
 | C4X-181466 | 707-07-3 | Impurity | |
| Nintedanib Impurity 66 | ||||
