*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Omeprazole Impurity 10 is a synthetic byproduct of <strong>omeprazole</strong> manufacturing, primarily identified as <strong>2-[4-(3-methoxy-2-pyridylmethyl)-2-sulfinylphenyl]-5-methoxy-1H-benzimidazole</strong>. Its molecular formula is <strong>C<sub>19</sub>H<sub>20</sub>N<sub>2</sub>O<sub>4</sub>S</strong> with CAS No. <strong>119687-07-7</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceutical QC:</strong> Reference standard for HPLC method validation in drug substance testing.</li>
<li><strong>R&D:</strong> Used to study degradation pathways and stability profiles of proton pump inhibitors.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at <strong>-20°C</strong> away from light. Handle with PPE; avoid inhalation or skin contact due to potential toxicity.</p>