3-Indoleacrylic acid is widely utilized in biochemical research as an inducer for the expression of genes under the control of the trp promoter in bacterial systems, particularly in E. coli. This compound is effective in initiating the production of recombinant proteins, making it a valuable tool in genetic engineering and molecular biology studies. Additionally, 3-Indoleacrylic acid is used in the synthesis of various organic compounds, including pharmaceuticals and agrochemicals, due to its role as a versatile intermediate. Its ability to participate in diverse chemical reactions also makes it useful in the development of new materials and chemical processes. In some cases, it has been explored for its potential biological activities, contributing to studies in medicinal chemistry.