This compound is primarily utilized in organic synthesis and pharmaceutical research, where it serves as a key intermediate in the development of biologically active molecules. Its structure, featuring a sulfonyloxy group and a bromophenyl moiety, makes it valuable for constructing complex molecular frameworks, particularly in the synthesis of peptide-based drugs or enzyme inhibitors. The stereochemistry at the 4th position (4S) is crucial for its application in asymmetric synthesis, enabling the production of chiral compounds with high enantiomeric purity. Additionally, its hydrochloride form enhances solubility, facilitating its use in various reaction conditions. Researchers often employ it in the preparation of compounds targeting specific biological pathways, such as those involved in inflammation or cancer.