(2-Pyridyldithio)-PEG4-propargyl
(2-Pyridyldithio)-PEG4-propargyl is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. (2-Pyridyldithio)-PEG4-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.