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<h3>Overview</h3>
<p>Biopterin (CAS 2967-90-4) is a pteridine derivative serving as an essential cofactor for aromatic amino acid hydroxylases. Synthesized via <strong>chemical condensation</strong> of specific precursors, its molecular formula is C<sub>9</sub>H<sub>12</sub>N<sub>4</sub>O<sub>3</sub>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Treatment of phenylketonuria (PKU) and neurotransmitter synthesis.</li>
<li><strong>Research:</strong> Study of nitric oxide pathways and enzyme kinetics.</li>
<li><strong>Diagnostics:</strong> Biomarker analysis in metabolic disorders.</li>
</ul>
<h3>Precautions</h3>
<p>Store under <strong>inert atmosphere</strong> at -20°C to prevent oxidation. Avoid direct contact; use appropriate PPE. Clinical use requires strict dosage control due to potential neurotoxicity risks.</p>