*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>4-Pyridoxic Acid-d3</strong> is a deuterated isotopic standard of Vitamin B6 metabolite, synthesized via catalytic deuteration. Molecular Formula: C<sub>8</sub>H<sub>7</sub>NO<sub>3</sub>D<sub>3</sub>; CAS: 1205-90-3.</p>
<h3>Application</h3>
<ul>
<li><strong>Metabolomics:</strong> Serves as an internal standard for LC-MS/MS quantification in biological fluids.</li>
<li><strong>Clinical Diagnostics:</strong> Validates assay accuracy for Vitamin B6 deficiency screening.</li>
<li><strong>Pharmaceutical R&D:</strong> Supports stability testing and bioavailability studies of B6 derivatives.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C under inert atmosphere to prevent degradation. Handle with PPE; avoid direct contact as it may cause irritation. Not approved for human therapeutic use.</p>