| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107716 | N/A | Impurity | |
| Entecavir Impurity 16 (Mixture of Diastereomers) | ||||
| C4X-107717 | N/A | Impurity | |
| Entecavir Impurity 17 | ||||
| C4X-107718 | N/A | Impurity | |
| Entecavir Impurity 18 | ||||
| C4X-107719 | 1030919-51-7 | Impurity | |
| Entecavir Impurity 19 | ||||
 | C4X-107720 | 2203740-23-0 | Impurity | |
| Entecavir EP Impurity E | ||||
 | C4X-107721 | 2204369-23-1 | Impurity | |
| Entecavir EP Impurity C | ||||
 | C4X-107723 | 649761-24-0 | Impurity | |
| Entecavir EP Impurity F | ||||
 | C4X-107724 | 117641-39-1 | Impurity | |
| Entecavir Impurity 24 | ||||
 | C4X-107725 | 110567-22-1 | Impurity | |
| Entecavir Impurity 25 | ||||
 | C4X-107726 | 870614-82-7 | Impurity | |
| Entecavir 4-Dimethylsilyl USP Impurity | ||||
