| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | 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 | ||||
 | C4X-1069118 | 183322-16-9 | Impurity | |
| Erlotinib Impurity 118 | ||||
 | C4X-106912 | 183322-20-5 | Impurity | |
| Erlotinib Impurity 12 | ||||
 | C4X-1069120 | 54060-30-9 | Impurity | |
| Erlotinib Impurity 120 | ||||
