| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1087137 | 859964-45-7 | Impurity | |
| Tadalafil Impurity 137 | ||||
| C4X-1087138 | N/A | Impurity | |
| Tadalafil Impurity 138 | ||||
| C4X-1087139 | N/A | Impurity | |
| Tadalafil Impurity 139 | ||||
 | C4X-108714 | 7524-52-9 | Impurity | |
| Tadalafil Impurity 14 | ||||
| C4X-1087140 | N/A | Impurity | |
| Tadalafil Impurity 140 2HCl | ||||
| C4X-1087141 | 477970-21-1 | Impurity | |
| Tadalafil Impurity 141 | ||||
| C4X-1087142 | N/A | Impurity | |
| Tadalafil Impurity 142 | ||||
| C4X-108715 | 171596-42-2 | Impurity | |
| Tadalafil Impurity 15 | ||||
| C4X-108716 | 629652-44-4 | Impurity | |
| Tadalafil Impurity 16 | ||||
 | C4X-108717 | 629652-42-2 | Impurity | |
| Tadalafil Impurity 17 | ||||
