| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | 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 | ||||
 | C4X-111744 | 367-22-6 | Impurity | |
| Gefitinib Impurity 44 | ||||
 | C4X-111745 | 350-30-1 | Impurity | |
| Gefitinib Impurity 45 | ||||
 | C4X-111746 | 2106-49-2 | Impurity | |
| Gefitinib Impurity 46 | ||||
 | C4X-111747 | 3863-11-4 | Impurity | |
| Gefitinib Impurity 47 | ||||
 | C4X-111748 | 1006378-06-8 | Impurity | |
| Gefitinib Impurity 48 | ||||
 | C4X-111749 | 214472-41-0 | Impurity | |
| Gefitinib Impurity 49 | ||||
