N-(Amino-PEG3)-N-bis(PEG3-t-butyl ester) is a 3-arm PEG linker consisting of an amino group with two t-butyl esters. The amino (NH2) groups is reactive with activated NHS esters or carboxylic acid. The t-butyl protected carboxyl group can be deprotected under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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