API Impurity
| CAS Number | 107753-78-6 |
| Formula | C₃₁H₃₃N₃O₆S |
| Molecular Weight | 575.68 g/mol |
| Purity | ≥99.0% |
| Storage | Store at 2–8 °C; protect from moisture and light |
Zafirlukast is a leukotriene receptor antagonist used in the management of asthma.
API for oral anti-asthmatic formulations and pharmacological research.
HPLC/UPLC assay, LC-MS, NMR, USP/EP impurity profiling.
