Category:
Active Pharmaceutical Ingredients
CAS NO:
909849-96-3
Standard:
EP,
Montelukast Sulfoxide Impurity A is a critical degradation product and process impurity of the asthma medication Montelukast. Generated during oxidation or storage, it serves as an essential reference standard for quality control. CAS No. 254789-06-1 defines its identity. The molecular formula is C25H28ClNO3S, reflecting its sulfoxide structural modification.
Strictly store under inert atmosphere at -20°C to prevent further oxidation. Handle with PPE in controlled environments due to potential sensitization. Not intended for direct clinical administration; usage is limited to analytical laboratories only.