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<h3>Overview</h3>
<p><strong>4-Cyano-3-methylbenzaldehyde</strong> is a key aromatic intermediate synthesized via formylation of 3-methylbenzonitrile. Its molecular formula is C9H7NO and CAS number is 25618-08-0.</p>
<h3>Application</h3>
<ul>
<li>Synthesis of heterocyclic pharmaceuticals, including quinoline derivatives.</li>
<li>Production of agrochemical fungicides and herbicides.</li>
<li>Manufacture of advanced optical brighteners for industrial textiles.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Use appropriate PPE to avoid skin contact and inhalation of dust or vapors due to potential toxicity.</p>