*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>L-Tryptophan-d5</strong> is a deuterium-labeled isotopic standard of the essential amino acid L-tryptophan. Synthesized via enzymatic or chemical deuteration, it serves as an internal reference in mass spectrometry. Molecular formula: C<sub>11</sub>H<sub>8</sub>D<sub>5</sub>N<sub>2</sub>O<sub>2</sub>; CAS No.: 1064-98-8.</p>
<h3>Application</h3>
<ul>
<li><strong>Metabolomics:</strong> Quantitative analysis of tryptophan pathways using LC-MS/MS.</li>
<li><strong>Pharmacokinetics:</strong> Tracing drug metabolism and bioavailability studies.</li>
<li><strong>Quality Control:</strong> Calibration for high-precision analytical instruments.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C under inert atmosphere to prevent degradation. Not for human consumption; handle with appropriate PPE to avoid inhalation or skin contact during laboratory procedures.</p>