*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Ciprofloxacin EP Impurity D is a critical reference standard used in pharmaceutical quality control to ensure the purity of the fluoroquinolone antibiotic ciprofloxacin. Synthesized via specific organic pathways, it serves as an <strong>EP-compliant impurity</strong>. Its molecular formula is C<sub>17</sub>H<sub>18</sub>N<sub>2</sub>O<sub>3</sub> with CAS No. 85724-06-9.</p>
<h3>Application</h3>
<ul>
<li><strong>Quality Control:</strong> Identification and quantification during stability testing and method validation.</li>
<li><strong>R&D:</strong> Used in process optimization to monitor synthetic byproducts in API manufacturing.</li>
<li><strong>Regulatory Compliance:</strong> Essential for filing dossiers under ICH guidelines to define impurity thresholds.</li>
</ul>
<h3>Precautions</h3>
<p>This substance requires storage in a cool, dry environment away from light. Handling must be conducted with appropriate PPE due to potential sensitization risks. It is strictly for laboratory research and analytical use only, not for clinical administration.</p>