| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | 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 | ||||
 | C4X-111740 | 179688-53-0 | Impurity | |
| Gefitinib Impurity 40 | ||||
| C4X-111741 | N/A | Impurity | |
| Gefitinib Impurity 41 | ||||
| C4X-111742 | N/A | Impurity | |
| Gefitinib Impurity 42 | ||||
| C4X-111743 | N/A | Impurity | |
| Gefitinib Impurity 43 | ||||
