*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Cefotaxime-d3 is a <strong>deuterated internal standard</strong> for mass spectrometry, synthesized via isotopic substitution of cefotaxime. Molecular formula: C<sub>16</sub>H<sub>14</sub>N<sub>5</sub>O<sub>7</sub>S<sub>2</sub>D<sub>3</sub>. CAS No.: 128497-68-5.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceutical QC:</strong> Quantitative analysis in HPLC-MS/MS assays.</li>
<li><strong>Metabolite Studies:</strong> Tracing drug metabolism pathways in vivo.</li>
<li><strong>Method Validation:</strong> Calibration for bioanalytical method development.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C in desiccated conditions. Avoid direct skin contact; use appropriate PPE during handling to prevent exposure.</p>