Used in the synthesis of organic compounds, particularly in the development of pharmaceuticals and agrochemicals. It serves as a key intermediate in creating molecules with potential therapeutic properties, such as anti-inflammatory or antimicrobial agents. Additionally, it is employed in the production of dyes and pigments due to its structural properties that contribute to color stability. In research, it is utilized to study indole derivatives and their biological activities, aiding in the discovery of new drugs. Its application extends to material science, where it is explored for use in organic electronics and photovoltaics due to its conjugated system.