Used as an analytical reagent in the detection and quantification of certain metal ions due to its sulfur-containing structure which enhances metal coordination. Also investigated for its potential in biochemical studies involving thiol-dependent enzymes, where it can act as a cofactor analog or inhibitor. Its structural similarity to thiamine allows it to participate in enzymatic pathways, making it useful in metabolic research. Additionally, it has been explored in the development of sensors for redox-active species owing to its electron-transfer properties.