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<h3>Overview</h3>
<p><strong>4-Amino-3-bromo-2-fluorobenzonitrile</strong> (CAS 105689-78-5) is a key fluorinated aromatic intermediate synthesized via selective halogenation and amination of benzonitrile derivatives. Molecular formula: C<sub>7</sub>H<sub>4</sub>BrFN<sub>2</sub>. It serves as a critical building block in modern medicinal chemistry.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for kinase inhibitors and antiviral agents.</li>
<li>Agrochemical production of novel herbicides and fungicides.</li>
<li>Material science for developing advanced functional polymers.</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers under inert atmosphere at 2-8°C. Handle with appropriate PPE due to potential skin irritation and environmental toxicity. Avoid inhalation of dust or vapors during processing.</p>