(
S,
R,S)-AHPC (HCl salt) is a ligand used in the recruitment of the von Hippel-Lindau (VHL) protein for targeted protein degradation and PROTAC (proteolysis-targeting chimeras) technology. This (
S,
R,
S) conformation is the active variant, and (
S,
S,
S) is the inactive derivative (cat#
901487) used as a negative control.