| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-106910 | 183320-51-6 | Impurity | |
| Erlotinib Impurity 10 | ||||
 | C4X-1069101 | N/A | Impurity | |
| Erlotinib Impurity 101 | ||||
| C4X-1069102 | N/A | Impurity | |
| Erlotinib Impurity 102 | ||||
| C4X-1069103 | 299912-61-1 | Impurity | |
| Erlotinib Impurity 103 | ||||
| C4X-1069104 | N/A | Impurity | |
| Erlotinib Impurity 104 | ||||
| C4X-1069105 | 33432-52-9 | Impurity | |
| Erlotinib Impurity 105 | ||||
| C4X-1069106 | 6482-24-2 | Impurity | |
| Erlotinib Impurity 106 | ||||
| C4X-1069107 | 299912-59-7 | Impurity | |
| Erlotinib Impurity 107 | ||||
 | C4X-1069108 | 311-28-4 | Impurity | |
| Erlotinib Impurity 108 | ||||
 | C4X-106911 | 183322-19-2 | Impurity | |
| Erlotinib Impurity 11 | ||||
