*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>Methoxy PEG Propionaldehyde</strong> is a reactive PEG derivative used for bioconjugation. The core process involves nucleophilic addition to amines or hydrazines. <strong>Formula</strong>: C<sub>n</sub>H<sub>2n+4</sub>O<sub>n+1</sub>(CH<sub>3</sub>O)(CHO); <strong>CAS</strong>: 90687-72-8 (for n=4).</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals</strong>: Synthesis of antibody-drug conjugates (ADCs) via site-specific modification.</li>
<li><strong>Diagnostics</strong>: Labeling proteins and peptides for immunoassays.</li>
<li><strong>Biomaterials</strong>: Grafting functional groups onto hydrogels for tissue engineering.</li>
</ul>
<h3>Precautions</h3>
<p>Store under inert atmosphere at -20°C to prevent oxidation. Use in fume hoods due to aldehyde toxicity; wear appropriate PPE during handling.</p>