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<h3>Overview</h3>
<p>Benzathine Benzylpenicillin for injection is a long-acting penicillin salt produced via crystallization of benzylpenicillin sodium with benzathine. It features the molecular formula <strong>C41H52N6O8S2</strong> and CAS number <strong>9007-45-6</strong>.</p>
<h3>Application</h3>
<ul>
<li>Treatment of syphilis, including neurosyphilis.</li>
<li>Management of rheumatic fever prophylaxis.</li>
<li>Control of streptococcal infections in remote areas.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly contraindicated for intravenous administration due to fatal embolism risk. Requires storage below 25°C in dry conditions. Monitor for anaphylactic reactions prior to use.</p>