*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Ethyl 4-hydroxy-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylate is a key pyridone intermediate synthesized via condensation of ethyl acetoacetate and urea derivatives. The <strong>molecular formula</strong> is C<sub>9</sub>H<sub>11</sub>NO<sub>4</sub> with <strong>CAS No. 80575-93-7</strong>. This compound serves as a critical scaffold for heterocyclic synthesis.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Precursor for niacinamide and vitamin B3 analogues.</li>
<li><strong>Agricultural Chemicals:</strong> Intermediate in herbicide and fungicide manufacturing.</li>
<li><strong>Dyes & Pigments:</strong> Used in synthesizing specialized pyridone-based colorants.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry conditions away from moisture to prevent hydrolysis. Handle with PPE; avoid inhalation of dust. Not for direct clinical use without further formulation into approved active pharmaceutical ingredients.</p>