N-(Azido-PEG4)-N-bis(PEG2-t-butyl ester) is a PEG linker comprised of a terminal azide that can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl group can be deprotected under acidic conditions. The PEG chain imparts hydrophilicity.
Usually ships within 24 hours.