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Propargyl-PEG-CH2CO2-NHS contains a propargyl functional group (-C≡CH) and an N-hydroxysuccinimide (NHS) ester group (-CO2-NHS) attached to the PEG backbone. The NHS ester group is known for its ability to react with amino groups (-NH2) in biomolecules, while the propargyl group enables further functionalization via click chemistry.

Propargyl-PEG-CH2CO2-NHS has been extensively utilized in the development of novel drug delivery systems and bioconjugation techniques. Its unique chemical properties allow for the covalent attachment of therapeutic agents, such as proteins and peptides, to the PEG chain via amide bonds. The resulting conjugates exhibit improved stability, increased solubility, and prolonged circulation time in vivo, leading to enhanced therapeutic efficacy and reduced side effects.

Moreover, the propargyl group enables further functionalization of the PEG chain via click chemistry, which allows for the conjugation of various functional groups, such as fluorescent dyes or targeting ligands, to the PEG chain. This feature is particularly useful in the development of targeted drug delivery systems, where the conjugation of targeting ligands to the PEG chain enables selective accumulation of the therapeutic agent in specific tissues or cells.


Cat# Name Structure M.W. Purity Pricing
AP12280Propargyl-PEG4-CH2CO2-NHS343.33≥95% Pricing
AP12281Propargyl-PEG5-CH2CO2-NHS387.39≥95% Pricing

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