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<h3>Overview</h3>
<p><strong>2,4-Diamino-6-chloropyrimidine</strong> (CAS 156-83-2) is a critical pyrimidine intermediate synthesized via chlorination of 2,4-diaminopyrimidine. Its molecular formula is <strong>C5H5ClN4</strong>, serving as a key scaffold in heterocyclic chemistry.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for antifolate drugs and antibacterial agents.</li>
<li>Production of agrochemicals including herbicides and fungicides.</li>
<li>Manufacture of dyes and fluorescent probes.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Use appropriate PPE to prevent skin contact and inhalation; avoid environmental release due to potential toxicity.</p>