5-Chloro-4-Amino-2-1-3-Benzothuadizole is used in many industries for different purpose. This is functional as a benzonitrile derivative. It has very different molecular structure and is accessible with long shelf life. It works as a useful n-type building block that assists in designing the electron-transport physicals for organic substance. 5-Chloro-4-Amino-2-1-3-Benzothuadizole is heteroannulated derivative. The provided compound is a useful building block. This is a high-performance donor-acceptor polymer used in making the organic electronics as well as organic photovoltaics.