(S)-(p-Toluenesulfinyl)ferrocene is primarily utilized in asymmetric synthesis and catalysis, particularly in the development of chiral ligands for transition metal complexes. Its unique structure, combining ferrocene and a sulfinyl group, makes it highly effective in inducing chirality in various organic reactions, such as asymmetric hydrogenation, allylic alkylation, and C-H activation. This compound is also employed in the synthesis of enantiomerically pure pharmaceuticals and fine chemicals, where precise control over stereochemistry is crucial. Additionally, it serves as a valuable intermediate in the preparation of other chiral ferrocene derivatives, which are widely used in materials science and coordination chemistry.