NH-(PEG3-t-butyl ester)2

Description

NH-bis(PEG3-t-butyl ester) is a PEG linker containing an amino group and 3 PEG units. The amino groups is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.