*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>Rac Mono(5-carboxy-2-ethylpentyl) Phthalate-d4</strong> is a deuterated internal standard for phthalate metabolite analysis. Synthesized via isotopic exchange, its molecular formula is C13H17DO8 and CAS number is 84-69-5-d4.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical QC: Quantitative LC-MS/MS validation of drug impurities.</li>
<li>Toxicology: Urine biomonitoring for human exposure assessment.</li>
<li>Environmental Analysis: Trace detection in wastewater and soil matrices.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C under inert atmosphere. Avoid direct contact; use PPE. Not for clinical administration or human consumption.</p>