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<h3>Overview</h3>
<p>Coproporphyrin I-15N4 is a <strong>stable isotope-labeled internal standard</strong> used in mass spectrometry. Synthesized via isotopic enrichment, it features the molecular formula <strong>C20H28N4O6</strong> and CAS number <strong>1234567-89-0</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Metabolomics:</strong> Quantitative analysis of porphyrin pathways.</li>
<li><strong>Clinical Diagnostics:</strong> Validation of assays for porphyria disorders.</li>
<li><strong>Pharmacokinetics:</strong> Tracing drug metabolism and excretion.</li>
</ul>
<h3>Precautions</h3>
<p>Store at <strong>-20°C</strong> under inert atmosphere. Avoid direct light exposure. Not intended for human therapeutic use; handle with appropriate PPE to prevent inhalation or skin contact.</p>