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<h3>Overview</h3>
<p><strong>4,6-Dichloro-2-methylpyrimidine</strong> (CAS: 1705-90-8) is a key heterocyclic intermediate with formula C<sub>5</sub>H<sub>3</sub>Cl<sub>2</sub>N. It is synthesized via chlorination of 2-methylpyrimidine using thionyl chloride or phosphorus pentachloride.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceuticals: Synthesis of antiviral and anticancer agents.</li>
<li>Agriculture: Precursor for pyrimidine-based herbicides and fungicides.</li>
<li>Materials: Building block for specialized liquid crystals.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from moisture. Use appropriate PPE to prevent skin contact and inhalation due to potential irritant properties.</p>