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<h3>Overview</h3>
<p><strong>Dimethyl Fumarate</strong> (CAS 624-49-7, C<sub>5</sub>H<sub>8</sub>O<sub>4</sub>) is an ester of fumaric acid produced via esterification. It serves as a key intermediate in pharmaceutical synthesis and polymer chemistry.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Precursor for fumarates used in multiple sclerosis treatment.</li>
<li><strong>Polymer Industry:</strong> Monomer component for unsaturated polyester resins.</li>
<li><strong>Agriculture:</strong> Active ingredient in certain fungicides and preservatives.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly regulated in oral formulations due to hepatotoxicity risks. Store in cool, dry conditions away from strong oxidizers. Personnel must utilize respiratory protection and chemical-resistant gloves during handling.</p>