*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>Di-p-tolyl-phosphate-d14</strong> is a deuterated organophosphorus compound used primarily as an isotopic internal standard in mass spectrometry. Synthesized via phosphorylation of p-cresol followed by deuteration, its molecular formula is C<sub>16</sub>H<sub>14</sub>D<sub>14</sub>O<sub>4</sub>P. The CAS number for this specific isotopologue remains under proprietary registration.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical research for metabolite identification in ADME studies.</li>
<li>Environmental analysis to quantify trace phosphates in complex matrices.</li>
<li>Quality control calibration for high-resolution LC-MS/MS instruments.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at -20°C to prevent hydrolysis. Handle with appropriate PPE due to potential toxicity; avoid direct contact and inhalation of dust or vapors during synthesis or dispensing.</p>