*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>L-Methionine-d3</strong> is a stable isotopically labeled internal standard for quantitative analysis. Synthesized via enzymatic or chemical deuteration, it features the molecular formula <strong>C5H11D3NO2S</strong> and CAS No. <strong>17980-47-3</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Metabolomics:</strong> Quantitative tracing of sulfur-containing amino acid pathways.</li>
<li><strong>Pharmacokinetics:</strong> Standardization in LC-MS/MS drug metabolism studies.</li>
<li><strong>Nutritional Analysis:</strong> Precise measurement of methionine levels in feed additives.</li>
</ul>
<h3>Precautions</h3>
<p>Store at <strong>-20°C</strong> under inert atmosphere to prevent degradation. Avoid direct skin contact; use appropriate PPE during handling to ensure laboratory safety compliance.</p>