(S)-Pyrrolidin-2-ylmethanamine dihydrochloride is a chiral organic compound featuring a pyrrolidine ring substituted with an aminomethyl group at the 2-position. It is commonly supplied as a dihydrochloride salt to enhance its stability and handling properties. The (S)-enantiomer is of particular interest in asymmetric synthesis and pharmaceutical research. This compound serves as a versatile chiral building block, especially in the synthesis of pharmaceutical intermediates. Its structure, containing both a secondary amine (within the pyrrolidine ring) and a primary amine (on the side chain), makes it a valuable precursor for constructing complex molecules. It is notably used in the synthesis of various bioactive compounds, including potential drug candidates targeting the central nervous system and other therapeutic areas. As a bifunctional amine, it can act as a ligand in catalysis or be incorporated into larger molecular frameworks. The dihydrochloride salt form is hygroscopic and should be stored under inert conditions. Its primary value lies in its application as a key chiral intermediate in medicinal chemistry and fine chemical synthesis.