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<h3>Overview</h3>
<p><strong>MPEG20K-COOH</strong> is a Y-shaped bifunctional PEG derivative synthesized via coupling of two methoxy-PEG chains to a carboxyl core. It features high water solubility and biocompatibility, widely used in drug conjugation. CAS: 189657-44-3.</p>
<h3>Application</h3>
<ul>
<li><strong>Drug Delivery:</strong> Enhances pharmacokinetics of protein therapeutics via PEGylation.</li>
<li><strong>Nanomedicine:</strong> Constructs stealth liposomes for targeted tumor accumulation.</li>
<li><strong>Bioconjugation:</strong> Serves as a linker for antibody-drug conjugates (ADCs).</li>
</ul>
<h3>Precautions</h3>
<p>Store at -20°C under inert atmosphere. Avoid direct skin contact; use appropriate PPE. Clinical use requires strict regulatory compliance regarding endotoxin levels.</p>