| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-111731 | N/A | Impurity | |
| Gefitinib Impurity 31 | ||||
| C4X-111732 | N/A | Impurity | |
| Gefitinib Impurity 32 | ||||
| C4X-111733 | N/A | Impurity | |
| Gefitinib Impurity 33 | ||||
| C4X-111734 | N/A | Impurity | |
| Gefitinib Impurity 34 | ||||
| C4X-111735 | N/A | Impurity | |
| Gefitinib Impurity 35 HCl | ||||
| C4X-111736 | N/A | Impurity | |
| Gefitinib Impurity 36 HCl | ||||
| C4X-111737 | N/A | Impurity | |
| Gefitinib Impurity 37 | ||||
 | C4X-111738 | 847949-50-2 | Impurity | |
| Gefitinib Impurity 38 | ||||
| C4X-111739 | N/A | Impurity | |
| Gefitinib Impurity 39 | ||||
| C4X-11174 | 2089650-13-3 | Impurity | |
| Gefitinib Impurity 4 | ||||
