*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Fenspiride (CAS 5053-06-5) is a synthetic anti-inflammatory and antihistamine agent primarily used in respiratory medicine. Its core synthesis involves the condensation of <strong>4-methylphenol</strong> derivatives with specific heterocyclic compounds. The molecular formula is <strong>C18H22N2O3S</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceutical Manufacturing:</strong> Production of bronchodilator formulations for chronic obstructive pulmonary disease.</li>
<li><strong>Clinical Therapy:</strong> Treatment of acute and chronic bronchitis to reduce airway inflammation.</li>
<li><strong>API Supply:</strong> Bulk active pharmaceutical ingredient sourcing for generic drug producers.</li>
</ul>
<h3>Precautions</h3>
<p>Strict adherence to GMP storage conditions is required, maintaining temperatures between <strong>2°C and 8°C</strong>. Clinical use is restricted due to potential hepatotoxicity risks; it is contraindicated in patients with severe liver impairment or hypersensitivity to fenspiride derivatives.</p>