API Impurity
| CAS Number | 90729-43-4 |
| Formula | C₃₂H₃₉NO₂ |
| Molecular Weight | 469.66 g/mol |
| Purity | ≥98% (API or reference standard grade) |
| Storage | 2–8 °C, dry conditions |
Second-generation antihistamine with low sedative effect, used for allergic rhinitis and urticaria.
API testing, formulation development, impurity and stability studies.
HPLC/UPLC, LC-MS, UV spectroscopy, NMR.
