| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-181420 | 2734676-68-5 | Impurity | |
| Nintedanib Impurity 20 | ||||
 | C4X-181421 | N/A | Impurity | |
| Nintedanib Impurity 21 | ||||
 | C4X-181422 | 262368-30-9 | Impurity | |
| Nintedanib Impurity 22 | ||||
 | C4X-181425 | 262368-25-2 | Impurity | |
| Nintedanib Impurity 25 | ||||
 | C4X-18143 | 2093243-16-2 | Impurity | |
| Nintedanib Impurity 3 | ||||
| C4X-181432 | 380427-39-4 | Impurity | |
| Nintedanib Impurity 32 | ||||
| C4X-181434 | 334952-09-9 | Impurity | |
| Nintedanib Impurity 34 | ||||
 | C4X-181436 | 1160293-27-5 | Impurity | |
| Nintedanib Impurity 36 | ||||
 | C4X-181437 | 14719-83-6 | Impurity | |
| Nintedanib Impurity 37 | ||||
 | C4X-181439 | 3395-81-1 | Impurity | |
| Nintedanib Impurity 39 | ||||
