*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Loperamide hydrochloride (<strong>CAS 34552-83-5</strong>) is a synthetic opioid derivative widely used in pharmaceutical manufacturing. The core process involves condensation of 4,4-diphenylbutyric acid with p-fluorobenzoyl chloride followed by esterification and reduction. Its molecular formula is <strong>C<sub>29</sub>H<sub>33</sub>ClN<sub>2</sub>O<sub>2</sub></strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Gastrointestinal Therapeutics:</strong> Primary ingredient for over-the-counter anti-diarrheal formulations.</li>
<li><strong>Pharmaceutical Intermediates:</strong> Used as a reference standard in analytical quality control laboratories.</li>
<li><strong>Research & Development:</strong> Employed in pharmacological studies regarding opioid receptor binding affinity.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly limit use to approved dosages to avoid cardiac arrhythmias. Store in a cool, dry place away from direct sunlight. Handle with appropriate PPE due to potential respiratory sensitization risks during powder handling.</p>