| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-101720 | 879-57-2 | Impurity | |
| Vardenafil Impurity 20 | ||||
 | C4X-101721 | 927690-90-2 | Impurity | |
| Vardenafil Impurity 21 | ||||
 | C4X-101722 | N/A | Impurity | |
| Vardenafil EP impurity A | ||||
 | C4X-101723 | 224785-87-9 | Impurity | |
| N-Desethyl-N-Methyl Vardenafil | ||||
| C4X-101724 | 910554-77-7 | Impurity | |
| Vardenafil Impurity 24 | ||||
| C4X-101725 | N/A | Impurity | |
| Vardenafil Impurity 25 | ||||
| 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 | ||||
