Used in organic semiconductor materials due to its extended π-conjugated system, making it suitable for optoelectronic applications such as organic light-emitting diodes (OLEDs) and fluorescent sensors. Its structural rigidity and fluorine substitution enhance photostability and electron transport properties. Commonly employed as a fluorescent probe in biological imaging for detecting membrane dynamics and protein interactions owing to its environment-sensitive emission. Also serves as a key intermediate in synthesizing indole-based pharmaceuticals with potential anticancer and antimicrobial activities.