Isourea standard solution in benzene is primarily used in analytical chemistry as a reference standard for calibration and quality control purposes. It helps in the accurate quantification and identification of isourea in various samples, ensuring precision in analytical results. This solution is also employed in research laboratories to study the chemical behavior and reactivity of isourea in different organic reactions. Additionally, it serves as a reagent in the synthesis of other chemical compounds, particularly in organic synthesis where benzene acts as a solvent to facilitate reactions. Its application extends to the development of new methodologies in chemical analysis and the validation of analytical techniques.