| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-108771 | 58607-72-0(free base) | Impurity | |
| Tadalafil Impurity 71 | ||||
| C4X-108772 | 20696-60-0 | Impurity | |
| Tadalafil Impurity 72 | ||||
 | C4X-108773 | 326-61-4 | Impurity | |
| Tadalafil Impurity 73 | ||||
| C4X-108774 | 171596-41-1 | Impurity | |
| Tadalafil Impurity 74 | ||||
 | C4X-108775 | 1093940-68-1 | Impurity | |
| Tadalafil Impurity 75 | ||||
| C4X-108776 | 1093940-70-5 | Impurity | |
| Tadalafil Impurity 76 | ||||
 | C4X-108777 | 2064212-00-4 | Impurity | |
| Tadalafil Impurity 77 | ||||
| C4X-108778 | N/A | Impurity | |
| Tadalafil Impurity 78 | ||||
| C4X-108779 | 38082-70-1 | Impurity | |
| Tadalafil Impurity 79 | ||||
 | C4X-10878 | 1978322-98-3 | Impurity | |
| Tadalafil EP Impurity H | ||||
