N-(PEG2-C2-acid)-N-bis(PEG2-propargyl)

N-(PEG2-C2-acid)-N-bis(PEG2-propargyl) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1]. N-(PEG2-C2-acid)-N-bis(PEG2-propargyl) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.