| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-111719 | 153437-78-6 | Impurity | |
| Gefitinib Impurity 19 | ||||
 | C4X-111720 | 690206-97-4 | Impurity | |
| Gefitinib Impurity 20 | ||||
| C4X-111721 | 184475-68-1 | Impurity | |
| Gefitinib Impurity 21 | ||||
 | C4X-111722 | 52805-46-6 | Impurity | |
| Gefitinib Impurity 22 | ||||
| C4X-111723 | N/A | Impurity | |
| Gefitinib Impurity 23 HCl | ||||
| C4X-111724 | N/A | Impurity | |
| Gefitinib Impurity 24 | ||||
| C4X-111725 | 385784-68-9 | Impurity | |
| Gefitinib Impurity 25 | ||||
| C4X-111726 | N/A | Impurity | |
| Gefitinib Impurity 26 | ||||
| C4X-111727 | N/A | Impurity | |
| Gefitinib Impurity 27 | ||||
| C4X-111728 | 1379208-77-1 | Impurity | |
| Gefitinib Impurity 28 | ||||
