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<h3>Overview</h3>
<p><strong>4-chloro-3,5-difluorophenylacetic acid</strong> (CAS 106892-57-3) is a fluorinated aromatic carboxylic acid used as a key intermediate in pharmaceutical synthesis. Its molecular formula is C8H5ClF2O2. Production typically involves the Friedel-Crafts acylation of chlorodifluorobenzene followed by oxidation.</p>
<h3>Application</h3>
<ul>
<li>Synthesis of non-steroidal anti-inflammatory drugs (NSAIDs)</li>
<li>Production of active pharmaceutical ingredients (APIs) for cardiovascular therapies</li>
<li>Manufacturing of agrochemical herbicides and fungicides</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Use appropriate PPE including gloves and goggles to prevent skin contact and inhalation of dust. Do not use in uncontrolled clinical settings without regulatory approval.</p>