| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-112828 | 139756-26-6 | Impurity | |
| Sildenafil Impurity 28 | ||||
 | C4X-112829 | 1093065-15-6 | Impurity | |
| Sildenafil Impurity 29 | ||||
 | C4X-11283 | 139756-02-8 | Impurity | |
| Sildenafil Impurity 3 | ||||
 | C4X-112830 | 139755-95-6 | Impurity | |
| Sildenafil Impurity 30 | ||||
| C4X-112831 | N/A | Impurity | |
| Sildenafil Impurity 31 | ||||
| C4X-112833 | N/A | Impurity | |
| Sildenafil Impurity 33 | ||||
| C4X-112834 | N/A | Impurity | |
| Sildenafil Impurity 34 | ||||
 | C4X-112835 | 139756-01-7 | Impurity | |
| Sildenafil Impurity 35 | ||||
 | C4X-112836 | 139756-00-6 | Impurity | |
| Sildenafil Impurity 36 | ||||
 | C4X-112837 | 139755-99-0 | Impurity | |
| Sildenafil Impurity 37 | ||||
