*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>4-Pyridinecarboxaldehyde</strong> is a heterocyclic aldehyde intermediate primarily synthesized via oxidation of 4-methylpyridine. Its molecular formula is C<sub>6</sub>H<sub>5</sub>NO, and it carries CAS No. 100-85-2.</p>
<h3>Application</h3>
<ul>
<li>Synthesis of pharmaceutical APIs including antitubercular agents.</li>
<li>Production of agrochemical herbicides and fungicides.</li>
<li>Manufacturing of fluorescent dyes and optical brighteners.</li>
<li>Key building block for ligand development in coordination chemistry.</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers under inert atmosphere at temperatures below 25°C to prevent polymerization. Use appropriate PPE as the substance is toxic if inhaled or absorbed through skin; avoid contact with strong oxidizers.</p>