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<h3>Overview</h3>
<p><strong>Terbinafine hydrochloride</strong> (CAS 78628-80-5) is a synthetic allylamine antifungal agent used to treat dermatophyte infections. Its core process involves the condensation of specific precursors followed by salt formation with hydrochloric acid. The molecular formula is C<sub>21</sub>H<sub>25</sub>ClN<sub>2</sub>.</p>
<h3>Application</h3>
<ul>
<li>Dermatology: Treatment of onychomycosis and tinea pedis.</li>
<li>Veterinary Medicine: Management of fungal skin conditions in animals.</li>
<li>Pharmaceutical Manufacturing: Active pharmaceutical ingredient for topical and oral formulations.</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in patients with severe hepatic impairment. Store in a cool, dry place below 25°C protected from light. Use appropriate PPE to avoid inhalation or skin contact during handling.</p>