What are the main uses of 2,1,3-Benzothiadiazole (CAS: 273-13-2)?

2,1,3-Benzothiadiazole (CAS 273-13-2) is widely utilized in pharmaceuticals as an intermediate for drug development, particularly in antifungal and antiviral compounds. It also finds applications in industrial dyes, agrochemicals, and electronic materials. Researchers employ it in organic synthesis for creating functionalized molecules, while its derivatives are used in photovoltaic and optoelectronic devices due to unique electronic properties.