(S,R,S)-AHPC-O-PEG1-propargyl

(S,R,S)-AHPC-O-PEG1-propargyl, serves as an E3 ligand essential for PROTAC [1] synthesis. Additionally, this compound functions as a click chemistry reagent equipped with an Alkyne group, facilitating copper-catalyzed azide-alkyne cycloaddition (CuAAc) with Azide-containing molecules.