(S)-1-(3-Chlorophenyl)propane-1,3-diol is primarily used in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of chiral drugs, particularly those targeting neurological and cardiovascular conditions. The compound's stereochemistry is crucial for its role in creating enantiomerically pure substances, which are essential for ensuring the efficacy and safety of medications. Additionally, it is employed in research and development for exploring new therapeutic agents, leveraging its structural properties to design molecules with specific biological activities.