*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>3-Bromo-2-thiophenecarboxylic acid</strong> (CAS: 65198-74-1) is a heterocyclic intermediate with molecular formula C<sub>5</sub>H<sub>3</sub>BrO<sub>2</sub>S. It is synthesized via bromination of 2-thiophenecarboxylic acid or direct carboxylation of 3-bromothiophene.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for building blocks in antibiotic and antiviral drug development.</li>
<li>Agrochemical production as a key precursor for fungicides and herbicides.</li>
<li>Material science for creating functionalized organic semiconductors.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, ventilated area away from oxidizers. Use appropriate PPE including gloves and goggles to prevent skin contact and inhalation of dust.</p>