Methoxy PEGs / Monofunctional PEGs

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The Methoxy PEGs / Monofunctional PEGs collection offers a comprehensive range of high-purity polyethylene glycol (PEG) derivatives capped with a methoxy end, available with a variety of reactive terminal groups (e.g. amine, NHS-ester, maleimide, etc.). These monofunctional PEGs provide water solubility, biocompatibility, and low immunogenicity, making them ideal for PEGylation of proteins, peptides, or small molecules — as well as for surface modifications, hydrogel synthesis, or nanoparticle functionalization in biomedical, drug delivery, and materials science applications.