1-[3-(Methylsulfonyl)propyl]-piperazine 2HCl (CAS 939983-66-1) is a specialized chemical intermediate primarily utilized as a building block in pharmaceutical research and development. It features a piperazine core attached to a methylsulfonylpropyl group and is formulated as a dihydrochloride salt, which gives it high aqueous solubility and stability. Purity>99%.