Acetylurea is primarily utilized in organic synthesis as a versatile building block for the creation of various heterocyclic compounds. It serves as a key intermediate in the production of pharmaceuticals, particularly in the synthesis of antiviral and anticancer agents. Additionally, it is employed in the development of agrochemicals, where it contributes to the formulation of herbicides and pesticides. Its role in polymer chemistry is also noteworthy, as it aids in the modification of polymers to enhance specific properties like thermal stability and solubility. In research laboratories, acetylurea is often used to study reaction mechanisms and to develop new synthetic methodologies.