(1R,2S)-(-)-trans-2-Phenyl-1-cyclohexanol is a chiral cyclohexanol derivative characterized by its trans configuration and the presence of a phenyl substituent at the 2-position. It is a valuable chiral building block and auxiliary in organic synthesis, particularly due to its well-defined stereochemistry which can be used to induce asymmetry in chemical reactions. Its primary application lies in asymmetric synthesis, where it serves as a chiral ligand precursor or a chiral auxiliary. The molecule's rigid cyclohexane ring and the hydroxyl group provide a scaffold for coordinating to metals or for temporary attachment to substrates to control the stereochemical outcome of transformations such as reductions, alkylations, or cycloadditions. It is a key intermediate in the synthesis of more complex chiral molecules for pharmaceutical and material science research. This compound is typically handled as a solid and requires storage under inert conditions to preserve its optical purity. It is considered a specialty fine chemical used primarily in research and development settings for the construction of enantiomerically enriched compounds.