*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Citalopram USP Related Compound E is a critical <strong>impurity standard</strong> used in pharmaceutical quality control. Synthesized via <strong>oxidative degradation</strong> pathways, its molecular formula is C20H21FNO2 with CAS No. 159766-98-4.</p>
<h3>Application</h3>
<ul>
<li><strong>Quality Assurance:</strong> Reference material for HPLC method validation in citalopram API testing.</li>
<li><strong>R&D:</strong> Used to establish impurity profiles during stability studies and forced degradation.</li>
<li><strong>Regulatory Compliance:</strong> Essential for meeting ICH Q3A/B guidelines on organic impurities.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C in airtight containers away from light. Handle only in certified fume hoods using appropriate PPE due to potential sensitization risks. Not intended for clinical use.</p>