N-(Boc-PEG5)-N-bis(PEG4-acid) is a branched PEG reagent, it can be conjugated with primary amino groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. Boc protection can be removed under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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