(S,R,S)-AHPC-PEG2-NH2 (Standard) is the analytical standard of (S,R,S)-AHPC-PEG2-NH2 (HY-103603A). This product is intended for research and analytical applications. (S,R,S)-AHPC-PEG2-NH2 (VH032-PEG2-NH2) is a synthesized E3 ligase ligand-linker conjugate that incorporates the (S,R,S)-AHPC based VHL ligand and 2-unit PEG linker used in the synthesis of PROTACs[1].