| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-11275 | N/A | Impurity | |
| AZD-9291 Impurity 5 | ||||
| C4X-11276 | N/A | Impurity | |
| AZD-9291 Impurity 6 | ||||
 | C4X-11277 | 2044702-39-6 | Impurity | |
| AZD-9291 Impurity 7 | ||||
| C4X-11278 | N/A | Impurity | |
| AZD-9291 Impurity 8 | ||||
| C4X-11279 | 1801616-92-1 | Impurity | |
| AZD-9291 Impurity 9 | ||||
| C4X-11281 | 42926-52-3 | Impurity | |
| Sildenafil Impurity 1 | ||||
 | C4X-112810 | 1393816-99-3 | Impurity | |
| Sildenafil Impurity 10 | ||||
 | C4X-112811 | 139756-03-9 | Impurity | |
| Sildenafil Impurity 11 | ||||
 | C4X-112812 | 1346603-48-2 | Impurity | |
| Sildenafil Impurity 12 | ||||
 | C4X-112813 | 1391053-95-4 | Impurity | |
| Sildenafil EP Impurity A | ||||
