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4arm PEG SS (4arm PEG Succinimidyl Succinate) is a multi-armed PEG derivative with a succinimidyl NHS ester group at each end of the four arms of the pentaerythritol core. 4arm PEG SS is a kind of PEG-NHS reagent. There is a C2 hydrocarbon ester linkage between the PEG and the NHS ester. NHS is a good leaving group that can react with amine-containing moieties. A cleavable ester linker between PEG and NHS ester enables the properties of a “degradable” hydrogel.


Cat# Name Structure M.W. Purity Pricing
AP148054arm-PEG-SS, MW 2K2000≥95% Pricing
AP148064arm-PEG-SS, MW 5K5000≥95% Pricing
AP148004arm-PEG-SS, MW 10K10000≥95% Pricing
AP148074arm-PEG-SS, MW 20K20000≥95% Pricing
AP148084arm-PEG-SS, MW 40K40000≥95% Pricing

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