*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>13C6-Ur</strong> denotes 1,2,3,4,5,6-13C6-Uracil, a stable isotope-labeled reference standard synthesized via isotopic enrichment. Its molecular formula is C4H2D6N2O2 and CAS number is 20897-13-7.</p>
<h3>Application</h3>
<ul>
<li>Nuclear Magnetic Resonance (NMR) spectroscopy for signal calibration.</li>
<li>Mass spectrometry as an internal standard for quantitative analysis.</li>
<li>Metabolic flux studies to track uracil pathways in biological systems.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at -20°C. Handle with standard laboratory PPE; avoid inhalation of dust or direct skin contact during weighing procedures.</p>