5-chloro-3-nitropyrazole [1,5 a] pyrimidine
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<h3>Overview</h3>
<p><strong>5-chloro-3-nitropyrazolo[1,5-a]pyrimidine</strong> is a heterocyclic intermediate synthesized via condensation of 4-chloro-3-nitropyrazole with amino acids. CAS: <strong>100976-82-5</strong>. Molecular formula: <strong>C6H3ClN4O2</strong>.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for kinase inhibitors.</li>
<li>Agrochemical production of herbicides and fungicides.</li>
<li>Material science for organic electronic components.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Wear PPE including respirators and chemical-resistant gloves due to toxicity risks. Avoid direct contact with skin or inhalation of dust.</p>