*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid</strong> is a key fluoroquinolone intermediate synthesized via heterocyclic condensation. Its molecular formula is C<sub>20</sub>H<sub>20</sub>FN<sub>3</sub>O<sub>4</sub>, CAS No. 115559-47-0.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for broad-spectrum antibiotics</li>
<li>Research on antibacterial resistance mechanisms</li>
<li>API manufacturing for respiratory tract infections</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers below 25°C away from moisture. Avoid direct skin contact; wear appropriate PPE during handling due to potential irritancy and environmental hazards.</p>