(4-Nitrophenyl)thiourea is primarily used in research and development as a chemical intermediate. It is often employed in the synthesis of various organic compounds, particularly in the preparation of thiourea derivatives. These derivatives are explored for their potential applications in medicinal chemistry, where they are studied for their biological activities, such as antimicrobial, antiviral, and anticancer properties. Additionally, it is utilized in the development of sensors and dyes due to its ability to interact with specific molecules, making it useful in analytical chemistry for detection purposes. Its role in material science is also notable, where it contributes to the creation of novel materials with unique properties.