Used primarily as an intermediate in organic synthesis, especially in the development of pharmaceuticals and agrochemicals. It plays a key role in the preparation of pyrazole derivatives, which are important heterocyclic compounds in medicinal chemistry. These derivatives exhibit a range of biological activities, including anti-inflammatory, antimicrobial, and anticancer properties. The compound is also utilized in research settings for the synthesis of novel nitrosamine-containing structures, aiding in the study of reaction mechanisms and compound stability. Its hydrochloride form enhances solubility and stability, making it suitable for use in aqueous or polar environments during synthesis.