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Product Description
In-house Standards
AI Product Description
*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Promethazine hydrochloride (CAS 58-33-3) is a first-generation antihistamine and phenothiazine derivative. Its molecular formula is C<sub>17</sub>H<sub>20</sub>N<sub>2</sub>S·HCl, synthesized via alkylation of the phenothiazine core with chloromethyl derivatives.</p>
<h3>Application</h3>
<ul>
<li><strong>Allergy Management:</strong> Treatment of allergic rhinitis and urticaria in pharmaceutical formulations.</li>
<li><strong>Anesthesia Adjunct:</strong> Preoperative sedation and control of nausea/vomiting in surgical settings.</li>
<li><strong>Motion Sickness:</strong> Prophylaxis for travel-related vestibular disturbances.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly contraindicated in children under two years due to respiratory depression risks. Store in cool, dry conditions away from light to prevent degradation. Handle with PPE as it may cause severe tissue irritation upon contact.</p>