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<h3>Overview</h3>
<p><strong>Methoxy PEG Hydrazide</strong> is a functionalized polymer reagent used to conjugate hydrazide groups onto polyethylene glycol chains. Synthesized via nucleophilic substitution, it serves as a critical linker for bioconjugation. Molecular formula: C<sub>x</sub>H<sub>y</sub>NzOw; CAS No.: varies by MW.</p>
<h3>Application</h3>
<ul>
<li>Drug Delivery Systems: Preparation of PEG-drug conjugates for enhanced pharmacokinetics.</li>
<li>Bioconjugation: Linking antibodies or proteins to hydrazide-modified carriers.</li>
<li>Diagnostics: Fabrication of PEGylated probes for targeted imaging.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at 2-8°C to prevent hydrolysis. Avoid direct skin contact and wear appropriate PPE during handling. Not intended for direct clinical administration without formulation.</p>