| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-11162 | 21794-55-8 | Impurity | |
| Epirubicin EP Impurity B | ||||
 | C4X-11163 | N/A | Impurity | |
| Epirubicin EP Impurity C | ||||
 | C4X-11167 | 1046827-43-3 | Impurity | |
| Epirubicin EP Impurity G (Epirubicin Dimer) | ||||
| C4X-11169 | N/A | Impurity | |
| Epirubicin Impurity 9 | ||||
| C4X-11171 | 1502829-45-9 | Impurity | |
| Gefitinib Impurity 1 | ||||
| C4X-111710 | 1603814-04-5 | Impurity | |
| Gefitinib Impurity 10 | ||||
 | C4X-111711 | 367-21-5 | Impurity | |
| Gefitinib Impurity 11 | ||||
 | C4X-111712 | 7357-67-7 | Impurity | |
| Gefitinib Impurity 12 | ||||
 | C4X-111714 | 847949-56-8 | Impurity | |
| Gefitinib Impurity 14 | ||||
| C4X-111715 | 1608115-59-8 | Impurity | |
| Gefitinib Impurity 15 | ||||
