| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-103945 | 844694-83-3 | Impurity | |
| Donepezil Impurity 45 | ||||
 | C4X-103946 | 1034439-43-4 | Impurity | |
| Donepezil Impurity 46 | ||||
| C4X-103947 | 36159-03-2 | Impurity | |
| Donepezil Impurity 47 | ||||
 | C4X-103948 | 4803-74-1 | Impurity | |
| Donepezil Impurity 48 | ||||
| C4X-103949 | N/A | Impurity | |
| Donepezil Impurity 49 Trifluoroacetate | ||||
| C4X-103951 | N/A | Impurity | |
| Donepezil Impurity 51 | ||||
| C4X-103953 | 149874-81-7 | Impurity | |
| Donepezil Impurity 53 | ||||
| C4X-103954 | N/A | Impurity | |
| Donepezil Impurity 54 | ||||
| C4X-103956 | 608511-44-0 | Impurity | |
| Donepezil Impurity 56 | ||||
| C4X-103957 | 220170-73-0 | Impurity | |
| Donepezil Impurity 57 | ||||
