O-(4-Nitrobenzoyl)hydroxylamine is primarily utilized in organic synthesis as a versatile reagent. It is commonly employed in the preparation of nitrones, which are intermediates in the synthesis of various heterocyclic compounds. This chemical is also used in the development of pharmaceuticals, particularly in the creation of compounds with potential therapeutic properties. Additionally, it serves as a key building block in the synthesis of complex molecules for research purposes, aiding in the study of chemical reactions and mechanisms. Its application extends to the field of material science, where it contributes to the development of novel materials with specific properties.