3-Methylsulfonylpropylamine Hydrochloride is primarily utilized in the field of organic synthesis, where it serves as a valuable intermediate for the production of various pharmaceuticals and bioactive compounds. Its sulfonyl group makes it a useful building block in the development of molecules with potential therapeutic properties, particularly in the creation of drugs targeting neurological disorders or cardiovascular diseases. Additionally, it can be employed in the synthesis of agrochemicals, contributing to the development of pesticides or herbicides. Its role in chemical research also extends to the study of reaction mechanisms and the development of novel synthetic pathways.