Vilanterol Trifenatate
China [CN] Vilanterol Trifenatate, CAS No. 503070-58-4 with molecular formula C44H49Cl2NO7, molecular weight 774.78 and EINECS number 638-763-2, is a white to off-white hygroscopic solid pharmaceutical API. It has a melting point ranging from 131.9 to 134.2°C, sparingly soluble in dichloromethane and methanol, and must be stored at -20°C under inert atmosphere to avoid moisture absorption. Coded GW642444M, this compound acts as an ultra-long-acting selective β2-adrenergic receptor agonist. It is supplied as high-purity bulk raw material and analytical reference standard for laboratory chromatographic testing, pharmacological research, and development of combination inhalation drugs for chronic obstructive pulmonary disease and asthma treatment.
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