Synonyms: Polyethylene glycol octadecyl ether amine

As an amphiphilic surfactant, C18-PEG-NH2 is very useful in micelle applications. It can be used to modify proteins, peptides, antibodies, enzymes, particles, biomedical devices and other active groups with carboxyl (-COOH) or other reactive groups that can react with primary amines materials and small molecules. What’s more, amino groups can easily form stable amide bonds with carboxyl groups, and form amide bonds with active esters (-NHS) at pH 7-8.5. Polyethylene glycol helps increase solubility and stability, and reduce the immunogenicity of peptides and proteins. C18-PEG-NH2 is commonly used in drug delivery, new nanomaterial research, cell culture, cross-linking, labeling, imaging, hydrogels and many other fields.

Why BOC Sciences?

  • Large Stock

    More than 2000+ products in inventory

  • Global Delivery

    Warehouses in multiple cities to ensure fast delivery

  • mg to kg

    Multi specification for academic research and industrial production

  • 24/7 Technical Support

    Strict process parameter control to ensure product quality



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BOC Sciences supplies a unique variety of PEG derivatives and functional PEG polymers. Our products offer the most diverse collection of reactivity, ready-to-use functionality, and molecular weight options that you will not find anywhere else.

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PEGylation of Peptides and Proteins

PEGylation of Peptides
and Proteins

Reduce the Immunogenicity of Peptide/Protein Drugs

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PEG linkers For Drug

Improved Circulation Half-Life

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