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<h3>Overview</h3>
<p><strong>5-Formylcytosine</strong> (CAS: 2971-86-4) is a rare DNA modification serving as an epigenetic mark. Synthesized via enzymatic oxidation or chemical formylation, its molecular formula is C<sub>5</sub>H<sub>6</sub>N<sub>2</sub>O<sub>3</sub>.</p>
<h3>Application</h3>
<ul>
<li><strong>Epigenetics Research:</strong> Studying gene regulation and chromatin remodeling.</li>
<li><strong>Diagnostics:</strong> Biomarker development for cancer detection.</li>
<li><strong>Synthesis:</strong> Intermediate for modified nucleoside analogues.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C under inert atmosphere. Handle with standard PPE to avoid inhalation or skin contact; not for direct clinical administration.</p>