| Product Name | cis-ent-Tadalafil/Tadalafil EP impurity C |
|---|---|
| CAS | 171596-28-4 |
| Formula | C22H19N3O4 |
| MW | 389.40 |
| Appearance | White to off-white powder |
| Storage condition | Dry, dark and at 0 - 4 ℃ for short term (days to weeks) or -20 ℃ for long term (months to years). |