| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10055 | N/A | Impurity | |
| Tipiracil Impurity 5 | ||||
| C4X-10056 | 7544-75-4 | Impurity | |
| Tipiracil Impurity 6 | ||||
 | C4X-10057 | 6674-22-2 | Impurity | |
| Tipiracil Impurity 7 | ||||
 | C4X-10058 | 18592-13-7 | Impurity | |
| Tipiracil Impurity 8 | ||||
| C4X-10059 | 73742-45-7 | Impurity | |
| Tipiracil Impurity 9 | ||||
 | C4X-10061 | 314771-88-5 | Impurity | |
| Afatinib Impurity 1 | ||||
| C4X-100610 | N/A | Impurity | |
| Afatinib Impurity 10 | ||||
| C4X-100611 | N/A | Impurity | |
| Afatinib Impurity 11 | ||||
 | C4X-100612 | 1680184-59-1 | Impurity | |
| Afatinib impurity 12 | ||||
| C4X-100613 | N/A | Impurity | |
| Afatinib Impurity 13 | ||||
