*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>3-Phenylpyrazole-5-carboxylic Acid Hydrate</strong> is a specialized organic intermediate synthesized via cyclocondensation of phenylhydrazine with malonic acid derivatives. It serves as a key scaffold in medicinal chemistry, characterized by the molecular formula C<sub>10</sub>H<sub>9</sub>NO<sub>2</sub>·H<sub>2</sub>O and CAS No. 67864-89-9.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceutical Synthesis:</strong> Precursor for anti-inflammatory drugs and COX-2 inhibitors.</li>
<li><strong>Agricultural Chemicals:</strong> Building block for novel fungicides and herbicides.</li>
<li><strong>Material Science:</strong> Component in developing advanced functional polymers.</li>
</ul>
<h3>Precautions</h3>
<ul>
<li><strong>Storage:</strong> Keep in a cool, dry place below 25°C to prevent hydration loss.</li>
<li><strong>Safety:</strong> Use appropriate PPE; avoid inhalation of dust and skin contact.</li>
<li><strong>Regulation:</strong> Not approved for direct clinical use without further formulation.</li>
</ul>