(R)-3-Phenylcyclohexanone is primarily used in the synthesis of chiral compounds and intermediates in organic chemistry. It serves as a key building block in the production of pharmaceuticals, particularly in the development of drugs that require specific stereochemistry for their biological activity. The compound is also employed in asymmetric synthesis, where it acts as a precursor for creating enantiomerically pure substances. Additionally, it finds application in the research and development of new materials and catalysts, contributing to advancements in chemical processes and industrial applications.