PEG NHS ester
PEG NHS esters, PEG N-hydroxysuccinimide (NHS) ester are very reactive PEG linkers, PEG NHS esters are widely used in protein labeling, antibody drug conjugation (ADC), peptide & other molecules labeling. The NHS ester group react with primary amines (NH2) very efficiently at pH 7-9. to form a stable, irreversible amide bond (CO-NH).
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