| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-105261 | 1496551-72-4 | Impurity | |
| Sofosbuvir Impurity 61 | ||||
| C4X-105262 | N/A | Impurity | |
| Sofosbuvir Impurity 62 | ||||
| C4X-105263 | N/A | Impurity | |
| Sofosbuvir Impurity 63 | ||||
| C4X-105264 | N/A | Impurity | |
| Sofosbuvir Impurity 64 | ||||
| C4X-105267 | N/A | Impurity | |
| Sofosbuvir Impurity 67 | ||||
 | C4X-105268 | 1496551-65-5 | Impurity | |
| Sofosbuvir Impurity 68 | ||||
| C4X-105269 | 863329-65-1 | Impurity | |
| Sofosbuvir Impurity 69 | ||||
| C4X-10527 | N/A | Impurity | |
| Sofosbuvir Impurity 7 | ||||
 | C4X-105270 | 1334513-02-8 | Impurity | |
| Sofosbuvir Impurity 70 | ||||
| C4X-105271 | N/A | Impurity | |
| Sofosbuvir Impurity 71 | ||||
