*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Racemic Biotin-d4 is a stable isotope-labeled internal standard synthesized via catalytic deuteration. It serves as a critical reference in mass spectrometry for quantifying biotin levels. The compound features the molecular formula C10H16N2O3S and CAS number 145798-86-5.</p>
<h3>Application</h3>
<ul>
<li><strong>Clinical Diagnostics:</strong> Calibrating LC-MS/MS assays for vitamin B7 deficiency screening.</li>
<li><strong>Pharmaceutical R&D:</strong> Validating bioavailability and metabolic stability of biotin formulations.</li>
<li><strong>Nutritional Analysis:</strong> Quantifying biotin content in dietary supplements and fortified foods.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C in sealed, light-resistant containers to prevent isotopic exchange. Handle with appropriate PPE; avoid inhalation or skin contact. Not intended for direct human consumption without formulation.</p>