(S)-()-12-Propanediol is used as a chiral building block in asymmetric synthesis a chemical intermediate for the preparation of pharmaceuticals agrochemicals and fine chemicals a precursor for chiral ligands and specialty chemicals a reagent in stereoselective synthesis and catalysis and a research reagent in organic synthesis medicinal chemistry and analytical chemistry.

Its main purpose is to retain moisture improve solubility of substances and serve as a safe medium for delivering active compounds in various formulations.

(S)-()-12-Propanediol is a chiral organic compound belonging to the diol (alcohol) group consisting of two hydroxyl groups attached to a three-carbon chain with the (S) configuration indicating its specific optical isomer.