*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Upadacitinib is a selective Janus kinase (JAK) inhibitor primarily synthesized via advanced organic coupling processes. Its molecular formula is <strong>C26H34N10O</strong> with CAS number <strong>2059287-03-3</strong>.</p>
<h3>Application</h3>
<ul>
<li>Rheumatology: Treatment of moderate to severe rheumatoid arthritis.</li>
<li>Dermatology: Management of atopic dermatitis in adult patients.</li>
<li>Gastroenterology: Therapy for active ulcerative colitis.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly contraindicated in patients with active serious infections. Requires storage below 25°C in dry, sealed conditions to maintain chemical stability and potency.</p>