N-bis(Amine-PEG8)-N-(PEG8-t-butyl ester) is a 3-arm PEG linker consisting of a t-butyl ester with two amino groups. The amino (NH2) groups are reactive with activated NHS esters or carboxylic acid. The t-butyl group can be deprotected under acidic conditions. Reagent grade, for research purpose.
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