| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-101726 | N/A | Impurity | |
| Vardenafil Impurity 26 | ||||
| C4X-101728 | N/A | Impurity | |
| Vardenafil Impurity 28 | ||||
| C4X-101729 | 1009013-42-6 | Impurity | |
| Vardenafil Impurity 29 | ||||
 | C4X-10173 | 224785-98-2 | Impurity | |
| Vardenafil Impurity 3 | ||||
| C4X-101730 | 1339092-18-0 | Impurity | |
| Vardenafil Impurity 30 | ||||
| C4X-101731 | N/A | Impurity | |
| Vardenafil Impurity 31 | ||||
| C4X-101732 | N/A | Impurity | |
| Vardenafil Impurity 32 | ||||
| C4X-101733 | N/A | Impurity | |
| Vardenafil Impurity 33 | ||||
| C4X-101734 | N/A | Impurity | |
| Vardenafil Impurity 34 | ||||
| C4X-101735 | N/A | Impurity | |
| Vardenafil Impurity 35 | ||||
