*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Ebastine Impurity D is a critical reference standard for the quality control of the antihistamine Ebastine. Synthesized via specific organic coupling and oxidation pathways, it serves as an essential marker in HPLC analysis. The compound is chemically identified by <strong>CAS 120874-96-4</strong> with molecular formula <strong>C22H25NO3S</strong>.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical R&D for method validation and assay development.</li>
<li>Quality assurance testing to monitor degradation products during stability studies.</li>
<li>Regulatory compliance documentation for ICH guideline submissions.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from direct sunlight. Handle with appropriate PPE to avoid skin contact or inhalation. Strictly limit use to analytical purposes; not for clinical administration.</p>