| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-108718 | 153-94-6 | Impurity | |
| Tadalafil Impurity 18 | ||||
 | C4X-108719 | 6519-67-1 | Impurity | |
| Tadalafil Impurity 19 | ||||
 | C4X-10872 | 629652-72-8 | Impurity | |
| Tadalafil EP Impurity B | ||||
| C4X-108720 | 171752-68-4 | Impurity | |
| Tadalafil Impurity 20 | ||||
 | C4X-108722 | 1609405-34-6 | Impurity | |
| Tadalafil Impurity 22 | ||||
 | C4X-108723 | 951661-82-8 | Impurity | |
| Tadalafil Impurity 23 | ||||
 | C4X-108724 | 951661-81-7 | Impurity | |
| Tadalafil Impurity 24 | ||||
| C4X-108725 | N/A | Impurity | |
| Tadalafil Impurity 25 | ||||
| C4X-108726 | 1598416-08-0 | Impurity | |
| Tadalafil Impurity 26 | ||||
| C4X-108728 | N/A | Impurity | |
| Tadalafil Impurity 28 | ||||
