| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10521 | 1033394-94-3 | Impurity | |
| Sofosbuvir Impurity 1 | ||||
 | C4X-105210 | N/A | Impurity | |
| Sofosbuvir Impurity 10 | ||||
| C4X-1052100 | N/A | Impurity | |
| Sofosbuvir Impurity 100 | ||||
| C4X-1052101 | N/A | Impurity | |
| Sofosbuvir Impurity 101 | ||||
| C4X-1052102 | N/A | Impurity | |
| Sofosbuvir Impurity 102 | ||||
| C4X-1052103 | N/A | Impurity | |
| Sofosbuvir Impurity 103 | ||||
| C4X-1052104 | N/A | Impurity | |
| Sofosbuvir Impurity 104 | ||||
 | C4X-1052105 | 1946820-91-2 | Impurity | |
| Sofosbuvir Impurity 105 | ||||
 | C4X-1052106 | 119410-95-6 | Impurity | |
| Sofosbuvir Impurity 106 | ||||
| C4X-1052107 | N/A | Impurity | |
| Sofosbuvir Impurity 107 | ||||
