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<h3>Overview</h3>
<p><strong>Sirolimus</strong> (Rapamycin) is a macrocyclic lactone immunosuppressant produced via fermentation. Its molecular formula is <strong>C<sub>51</sub>H<sub>79</sub>NO<sub>13</sub></strong> and CAS number is <strong>53124-86-2</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Prevention of organ transplant rejection and treatment of lymphangioleiomyomatosis.</li>
<li><strong>Medical Devices:</strong> Coating for drug-eluting stents to inhibit restenosis.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly control storage below 25°C in dry conditions. Clinical use requires monitoring of lipid levels and renal function due to potential toxicity.</p>