| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | 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 | ||||
 | C4X-1069110 | 2204518-92-1 | Impurity | |
| Erlotinib Impurity 110 | ||||
 | C4X-1069112 | 99-03-6 | Impurity | |
| Erlotinib Impurity 112 | ||||
 | C4X-1069113 | 587-02-0 | Impurity | |
| Erlotinib Impurity 113 | ||||
 | C4X-1069114 | 14235-81-5 | Impurity | |
| Erlotinib Impurity 114 | ||||
 | C4X-1069115 | 52670-38-9 | Impurity | |
| Erlotinib Impurity 115 | ||||
 | C4X-1069116 | 15411-43-5 | Impurity | |
| Erlotinib Impurity 116 | ||||
 | C4X-1069117 | 139-85-5 | Impurity | |
| Erlotinib Impurity 117 | ||||
