3,4-Dibromo-Mal-PEG4-NHS ester is a site specific Maleimide PEG linker with a dibromomaleimide group. NHS ester is reactive with amine containing moiety. The dibromomaleimide group allows for two points of substitution due to the two bromine atoms. Dibromo-Maleimide is sensitive to high temperature and light.
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