(R,R)-CASA-H is primarily utilized in the field of asymmetric synthesis, where it serves as a chiral ligand or catalyst. Its application is particularly significant in enantioselective reactions, such as hydrogenation, where it helps in producing chiral molecules with high optical purity. This is crucial in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs) that require specific enantiomeric forms to ensure efficacy and safety. Additionally, (R,R)-CASA-H is employed in academic research to develop new methodologies for stereocontrolled organic transformations, aiding in the advancement of synthetic chemistry. Its role in facilitating the production of complex molecules with precise stereochemistry makes it a valuable tool in both industrial and research settings.