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<h3>Overview</h3>
<p><strong>Indometacin</strong> (CAS <strong>53-86-1</strong>) is a non-steroidal anti-inflammatory drug (NSAID) synthesized via condensation of indole derivatives. Its molecular formula is C<sub>19</sub>H<sub>16</sub>ClNO<sub>4</sub>.</p>
<h3>Application</h3>
<ul>
<li>Rheumatology: Management of osteoarthritis and rheumatoid arthritis.</li>
<li>Anesthesiology: Post-operative pain control and inflammation reduction.</li>
<li>Gynecology: Treatment of dysmenorrhea and acute gouty attacks.</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in patients with active peptic ulcers or severe renal impairment. Store in a cool, dry place below 25°C away from direct light to maintain stability.</p>