What are the main uses of 2-(4-Nitrophenyl)ethanamine hydrochloride (1:1) (CAS: 29968-78-3)?

2-(4-Nitrophenyl)ethanamine hydrochloride (1:1) (CAS: 29968-78-3) is primarily used in pharmaceutical research as a precursor for drug development, particularly in the synthesis of antihistamines and antidepressants. It also serves as an industrial reagent for chemical modifications and in research applications for studying amine-nitro group interactions. Its utility stems from its ability to participate in various reaction mechanisms, making it valuable in organic chemistry.