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<h3>Overview</h3>
<p><strong>5-Methyl-2-thiophenecarboxylic acid</strong> (CAS: 106987-04-2) is a heterocyclic intermediate synthesized via Vilsmeier-Haack formylation followed by oxidation. Molecular formula: <strong>C6H6O2S</strong>. It serves as a critical building block for pharmaceuticals and agrochemicals.</p>
<h3>Application</h3>
<ul>
<li>Synthesis of sulfonylurea herbicides targeting broadleaf weeds.</li>
<li>Production of thienopyrimidine antibiotics and anti-inflammatory agents.</li>
<li>Manufacturing of liquid crystal materials and conductive polymers.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Personnel must wear chemical-resistant gloves and goggles to prevent skin irritation or inhalation hazards during handling.</p>