| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-103927 | 120013-56-1 | Impurity | |
| Donepezil Impurity 27 | ||||
 | C4X-103928 | 2107-69-9 | Impurity | |
| Donepezil EP impurity B | ||||
 | C4X-103929 | 197010-25-6 | Impurity | |
| Donepezil Impurity 29 | ||||
 | C4X-10393 | 4803-57-0 | Impurity | |
| Donepezil EP impurity D | ||||
| C4X-103930 | N/A | Impurity | |
| Donepezil Impurity 30 | ||||
 | C4X-103931 | 2097683-67-3 | Impurity | |
| Donepezil Impurity 31 | ||||
 | C4X-103932 | 120014-07-5 | Impurity | |
| Donepezil impurity 32 | ||||
| C4X-103933 | 149874-91-9 | Impurity | |
| Donepezil Impurity 33 (E/Z Mixture) | ||||
 | C4X-103935 | 2452407-76-8 | Impurity | |
| Donepezil EP impurity C | ||||
| C4X-103936 | N/A | Impurity | |
| Donepezil EP impurity E | ||||
