Used as a chiral resolving agent in the pharmaceutical industry to separate enantiomers of acidic compounds. Its rigid structure and ability to form stable diastereomeric salts make it effective in purification and analysis of chiral molecules. Commonly applied in the resolution of carboxylic acids, sulfonic acids, and other acidic racemates. Also employed as a chiral auxiliary or intermediate in asymmetric synthesis for the development of optically active drugs and fine chemicals.