*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Tofacitinib is a Janus kinase (JAK) inhibitor with molecular formula <strong>C15H20N6O</strong> and CAS No. 477881-72-2.</p>
<h3>Application</h3>
<ul>
<li>Rheumatoid arthritis treatment in pharmaceutical manufacturing.</li>
<li>Ankylosing spondylitis clinical development programs.</li>
<li>Ulcerative colitis therapeutic formulations.</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in severe hepatic impairment; requires storage below 25°C in dry conditions to maintain stability.</p>