*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Guanine is a natural purine base essential for nucleic acid synthesis, produced via microbial fermentation or chemical extraction. Its molecular formula is <strong>C5H5N5O</strong> with CAS number <strong>73-40-5</strong>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Precursor for antiviral and anticancer agents.</li>
<li><strong>Diagnostics:</strong> Used in enzyme assays and metabolic studies.</li>
<li><strong>Cosmetics:</strong> Component in anti-aging formulations for skin protection.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry conditions away from light. Avoid direct contact during handling; wear protective gear. Not approved for direct human consumption without formulation.</p>