Acid-PEG2-ethyl propionate is a bifunctional PEG linker comprised of an ester group in ethyl propionate that undergoes hydrolysis and nucleophilic acyl substitution, enabling precise molecular modifications in biological research. The carboxylic acid group can react with primary amine groups in the presence of activators (e.g. EDC or HATU). The PEG spacer improves the water solubility of the compound. Reagent grade, for research purpose.
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