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<h3>Overview</h3>
<p><strong>4-Chloroindole-2-carboxylic acid</strong> (CAS: 1006-59-7) is a key heterocyclic intermediate synthesized via chlorination of indole-2-carboxylic acid. Its molecular formula is C<sub>9</sub>H<sub>6</sub>ClNO<sub>2</sub>, serving as a critical building block for pharmaceutical synthesis.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical manufacturing for antiviral drug precursors.</li>
<li>Synthesis of kinase inhibitors in oncology research.</li>
<li>Production of agrochemical fungicides and herbicides.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Use appropriate PPE to avoid skin contact and inhalation. Not approved for direct clinical use; strictly for industrial intermediate processing only.</p>