*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol</strong> (NNAL) is a potent tobacco-specific nitrosamine metabolite, often referenced in toxicology research. Its molecular formula is <strong>C<sub>12</sub>H<sub>16</sub>N<sub>2</sub>O<sub>2</sub></strong> and CAS number is <strong>705-59-9</strong>. Industrial synthesis involves complex pyridine functionalization.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical research for carcinogenicity mechanism studies.</li>
<li>Toxicological assays evaluating lung cancer biomarkers.</li>
<li>Quality control testing in tobacco product safety analysis.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly classified as a carcinogen; handling requires Level B PPE. Store under inert atmosphere at 2-8°C away from light. Not approved for clinical therapeutic use.</p>