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<h3>Overview</h3>
<p><strong>2,6-Dichloro-4-hydroxybenzaldehyde</strong> (CAS 18970-39-5) is a key pharmaceutical intermediate synthesized via chlorination of 4-hydroxybenzaldehyde. Its molecular formula is <strong>C7H4Cl2O2</strong>, serving as a precursor for heterocyclic drugs.</p>
<h3>Application</h3>
<ul>
<li>Antibiotic synthesis: Precursor for broad-spectrum cephalosporins.</li>
<li>Agrochemicals: Intermediate in pyrethroid insecticide production.</li>
<li>Dye manufacturing: Building block for specialized azo dyes.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry, ventilated areas away from oxidizers. Use PPE to prevent skin contact and inhalation; avoid direct exposure due to potential irritant properties.</p>