*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Monomethyl Phthalate-d4 is a deuterated internal standard used in mass spectrometry. Its <strong>molecular formula</strong> is C<sub>9</sub>H<sub>6</sub>D<sub>4</sub>O<sub>4</strong>, with <strong>CAS No.</strong> 127088-56-0. Produced via isotopic exchange or synthesis, it ensures precise quantification of phthalate metabolites.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmacokinetics:</strong> Tracks drug metabolism and excretion profiles.</li>
<li><strong>Toxicology:</strong> Quantifies environmental exposure to plasticizers.</li>
<li><strong>Quality Control:</strong> Validates analytical methods in pharmaceutical manufacturing.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at -20°C. Handle with appropriate PPE to avoid inhalation or skin contact. Not intended for direct clinical administration; strictly for laboratory research use only.</p>