*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>5-Isoquinolinesulfonic acid</strong> is a heterocyclic sulfonic acid derivative synthesized via sulfonation of isoquinoline. It serves as a critical reagent in organic synthesis with the molecular formula <strong>C9H7NO4S</strong> and CAS number <strong>2608-91-1</strong>.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical intermediates for kinase inhibitor development.</li>
<li>Organic synthesis catalysts in peptide coupling reactions.</li>
<li>Material science additives for functional polymer modification.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Use appropriate PPE including gloves and goggles to prevent skin and eye irritation. Not intended for direct clinical administration without further processing.</p>