*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Sorafenib tosylate (CAS <strong>284461-73-0</strong>) is the p-toluenesulfonate salt of the multi-kinase inhibitor Sorafenib. Its molecular formula is C<sub>21</sub>H<sub>16</sub>F<sub>4</sub>N<sub>4</sub>O<sub>4</sub>S. This compound is synthesized via reaction between Sorafenib base and p-toluene sulfonic acid, enhancing stability for pharmaceutical formulations.</p>
<h3>Application</h3>
<ul>
<li><strong>Oncology:</strong> Active ingredient in treatments for advanced renal cell carcinoma and hepatocellular carcinoma.</li>
<li><strong>Pharmaceutical Manufacturing:</strong> Used as a key intermediate in API production for kinase inhibitor drugs.</li>
<li><strong>R&D:</strong> Standard reference material for preclinical pharmacological studies and mechanism validation.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly for research use only; not approved for direct human administration without formulation. Store in sealed containers at 2-8°C protected from light and moisture. Handle with appropriate PPE due to potential cytotoxicity.</p>