*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Ethyl 2-amino-5-methylthiophene-3-carboxylate is a key <strong>heterocyclic intermediate</strong> synthesized via cyclization of thiophene precursors. Its molecular formula is C<sub>7</sub>H<sub>9</sub>NO<sub>2</sub>S, and the CAS number is 104886-45-3.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Synthesis of thienopyrimidine derivatives for antiviral agents.</li>
<li><strong>Agriculture:</strong> Precursor for developing novel fungicides and herbicides.</li>
<li><strong>Materials:</strong> Building block for conducting polymers in organic electronics.</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. Not intended for direct clinical use without further processing.</p>