3-(Acetylthio)propionic Acid is primarily utilized in the synthesis of various organic compounds, particularly in the production of cysteine derivatives. It serves as a key intermediate in the preparation of pharmaceuticals, where it contributes to the development of drugs targeting metabolic disorders and cardiovascular diseases. Additionally, it is employed in the creation of chelating agents, which are essential in water treatment processes to remove heavy metals. The compound also finds application in the field of biochemistry for modifying proteins and peptides, aiding in the study of their structure and function. Its role in these areas underscores its importance in both industrial and research settings.