*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>4-Bromophenylboronic acid</strong> (CAS: 4019-72-5, Formula: C6H6BBrO2) is a versatile organoboron intermediate synthesized via bromination of phenylboronic acid or direct borylation. It serves as a critical building block in cross-coupling reactions.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis for kinase inhibitors and antiviral agents.</li>
<li>Material science for OLED emitters and organic semiconductors.</li>
<li>Agrochemical production of novel herbicides and fungicides.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at controlled temperatures. Avoid contact with skin and eyes; use appropriate PPE during handling to prevent irritation.</p>