*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>Paracetamol EP Impurity B</strong> is a critical reference standard used to monitor the purity of paracetamol during manufacturing. Synthesized via nitration and reduction pathways, its molecular formula is <strong>C8H9NO2</strong> with CAS No. 104-75-6.</p>
<h3>Application</h3>
<ul>
<li>Quality control in pharmaceutical synthesis laboratories.</li>
<li>Method validation for HPLC and GC analytical techniques.</li>
<li>Stability testing under ICH guidelines for drug products.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C in airtight containers away from light. Handle with appropriate PPE; avoid inhalation or skin contact due to potential toxicity. Not for clinical use directly.</p>