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<h3>Overview</h3>
<p><strong>3-Bromo-9H-fluoren-9-one</strong> (CAS: 20687-15-4, C13H7BrO) is a halogenated fluorenone derivative synthesized via electrophilic bromination of 9-fluorenone. It serves as a critical intermediate in pharmaceutical and materials science manufacturing.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for heterocyclic drug scaffolds</li>
<li>Organic light-emitting diode (OLED) emitter fabrication</li>
<li>Polymer chemistry for functionalized resin modification</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Use appropriate PPE including gloves and goggles to prevent skin irritation and respiratory exposure during handling.</p>