| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-108761 | 1370438-57-5 | Impurity | |
| Tadalafil Impurity 61 | ||||
 | C4X-108762 | N/A | Impurity | |
| Tadalafil Impurity 62 | ||||
 | C4X-108763 | 1346602-17-2 | Impurity | |
| Tadalafil Impurity 63 | ||||
| C4X-108764 | N/A | Impurity | |
| Tadalafil Impurity 64 | ||||
| C4X-108767 | N/A | Impurity | |
| Tadalafil Impurity 67 | ||||
| C4X-108768 | N/A | Impurity | |
| Tadalafil Impurity 68 | ||||
| C4X-108769 | N/A | Impurity | |
| Tadalafil Impurity 69 | ||||
 | C4X-10877 | 2520114-46-7 | Impurity | |
| Tadalafil EP Impurity G | ||||
| C4X-108770 | N/A | Impurity | |
| Tadalafil Impurity 70 | ||||
| C4X-108771 | 58607-72-0(free base) | Impurity | |
| Tadalafil Impurity 71 | ||||
