*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>3,5-Difluoro-4-hydroxybenzoic acid</strong> (CAS 107286-95-7; C7H4F2O3) is a fluorinated aromatic intermediate synthesized via selective electrophilic fluorination of hydroxybenzoic acid derivatives. It serves as a critical building block for heterocyclic synthesis.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceuticals: Precursor for kinase inhibitors and antiviral agents.</li>
<li>Agrichemicals: Synthesis of novel herbicides with enhanced bioactivity.</li>
<li>Materials: Component in high-performance liquid crystal polymers.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at 2-8°C away from moisture. Avoid skin contact due to potential irritation; use appropriate PPE during handling. Not for direct human consumption.</p>