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<h3>Overview</h3>
<p><strong>Mesalazine EP Impurity J</strong> is a degradation byproduct of 5-aminosalicylic acid, formed via oxidative coupling. It serves as a critical reference standard for HPLC method validation in pharmaceutical QC. Molecular Formula: C<sub>14</sub>H<sub>12</sub>N<sub>2</sub>O<sub>4</sub>; CAS No.: 67509-76-8.</p>
<h3>Application</h3>
<ul>
<li>Quality Control laboratories for assay and impurity profiling.</li>
<li>Regulatory submissions to demonstrate product stability and purity.</li>
<li>Method development for chromatographic separation systems.</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C in desiccated conditions to prevent hydrolysis. Handle with PPE in fume hoods; avoid skin contact and inhalation due to potential sensitization risks.</p>