👉 Thioindigo is a molecule that has been used in the research of various biological processes. It was first synthesized by the chemists from the University of California, Berkeley in 1965 to study the structure of DNA and RNA. Thioindigos are also found in the production of certain types of drugs such as thiochlorides, which act as antioxidants and may help in preventing oxidative stress. Thioindigo has been used for its ability to bind to various biomolecules