| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-100614 | 2121530-37-6 | Impurity | |
| Afatinib Impurity 14 | ||||
 | C4X-100616 | N/A | Impurity | |
| Afatinib Impurity 16 | ||||
| C4X-100617 | N/A | Impurity | |
| Afatinib Impurity 17 | ||||
| C4X-100618 | N/A | Impurity | |
| Afatinib Impurity 18 | ||||
 | C4X-100619 | 2223677-58-3 | Impurity | |
| Afatinib Impurity 19 | ||||
 | C4X-10062 | 314771-76-1 | Impurity | |
| Afatinib Impurity 2 | ||||
 | C4X-100620 | 179552-73-9 | Impurity | |
| Afatinib Impurity 20 | ||||
| C4X-100621 | 402855-03-2 | Impurity | |
| Afatinib Impurity 21 | ||||
 | C4X-100622 | 162012-67-1 | Impurity | |
| Afatinib Impurity 22 | ||||
| C4X-100623 | N/A | Impurity | |
| Afatinib Impurity 23 | ||||
