PEG-bis-amido-Succinic Acid, MW 3,400 is a dicarboxylic acids PEGylation reagent which can react with primary NH2 in the presence of activator (e.g. EDC or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose.
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