N,N-Diphenylcarbamyl chloride is primarily used as a reagent in organic synthesis, particularly in the preparation of carbamates and urea derivatives. It serves as a key intermediate in the production of pharmaceuticals, where it is employed to introduce the diphenylcarbamyl group into target molecules. This chemical is also utilized in the synthesis of agrochemicals, contributing to the development of pesticides and herbicides. Additionally, it finds application in polymer chemistry for modifying polymers and resins, enhancing their properties for specific industrial uses. Its reactivity with amines and alcohols makes it a versatile tool in the creation of various organic compounds.