(S,R,S)-AHPC-PEG2-N3 (Standard) is the analytical standard of (S,R,S)-AHPC-PEG2-N3 (HY-103599). This product is intended for research and analytical applications. (S,R,S)-AHPC-PEG2-N3 is a synthesized E3 ligase ligand-linker conjugate that incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker. (S,R,S)-AHPC-PEG2-N3 can be used for the synthesis of PROTACs[1].