*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>4-Oxo-1,4-dihydroquinoline-2-carboxylic acid</strong> is a key heterocyclic intermediate synthesized via condensation of anilines with ethyl acrylate. Its molecular formula is C<sub>10</sub>H<sub>7</sub>NO<sub>3</sub>, CAS No. 6858-79-7.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for fluoroquinolone antibiotics.</li>
<li>Agrochemical production of fungicides and herbicides.</li>
<li>Material science as a precursor for luminescent dyes.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Use PPE to prevent skin contact; inhalation may cause respiratory irritation. Not approved for direct human consumption.</p>