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<h3>Overview</h3><p>Montelukast Sodium is a potent leukotriene receptor antagonist used in respiratory therapy. Synthesized via chiral catalysis, its molecular formula is <strong>C35H27ClNNaO6S</strong> (CAS: 158966-90-8).</p><h3>Application</h3><ul><li>Prophylaxis and chronic treatment of asthma.</li><li>Management of exercise-induced bronchoconstriction.</li><li>Relief of allergic rhinitis symptoms.</li></ul><h3>Precautions</h3><p>Contraindicated for acute asthma attacks. Store in sealed containers below 25°C with humidity control to prevent hydrolysis. Handle with PPE due to potential sensitization risks.</p>