Used primarily in the synthesis of pharmaceuticals, particularly in the development of drugs targeting gastrointestinal disorders. It serves as a key intermediate in the production of compounds like prucalopride, which is used to treat chronic constipation. Additionally, it finds application in the preparation of other bioactive molecules, contributing to advancements in medicinal chemistry. Its role in organic synthesis also extends to the creation of dyes and pigments, where its structural properties enhance color stability and intensity.