Widely used in electrochemiluminescence (ECL) applications, this compound serves as a highly efficient luminophore in biosensors and immunoassays. Its strong and stable light emission upon electrochemical excitation makes it ideal for detecting biological molecules such as DNA, proteins, and pathogens in clinical diagnostics. It is a key component in commercial ECL-based analytical systems, including automated immunoassay platforms, where it enables high sensitivity and low background signal. Additionally, it finds use in research settings for studying electron transfer processes and developing luminescent probes for cellular imaging.