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<h3>Overview</h3>
<p><strong>4-Formylbenzoic acid</strong> (CAS: 619-66-7) is a key aromatic aldehyde intermediate with molecular formula C8H6O3. Produced via controlled oxidation of methylbenzoic acids, it serves as a versatile building block for pharmaceutical synthesis and polymer modification.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceuticals: Synthesis of anti-inflammatory agents and kinase inhibitors.</li>
<li>Polymer Chemistry: Fabrication of high-performance polyesters and metal-organic frameworks.</li>
<li>Laboratory Reagents: Used in organic coupling reactions and fluorescent probe development.</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers below 25°C away from oxidizers. Requires PPE including gloves and goggles due to skin irritation risks; avoid inhalation of dust during handling.</p>