(1S,3S)-3-Methoxycyclobutan-1-amine is a chiral cyclobutane derivative featuring both an amine and a methoxy ether functional group. Its CAS number is 1268521-35-2. The compound is characterized by its rigid, four-membered ring structure and the presence of two stereocenters in a specific (1S,3S) configuration, making it a valuable chiral building block. This compound is primarily utilized in organic synthesis and medicinal chemistry research as a versatile chiral scaffold. Its amine group serves as a handle for further derivatization, such as amide bond formation or reductive amination, while the methoxy group can influence the molecule's electronic properties and conformation. The constrained cyclobutane ring is of particular interest for modulating the three-dimensional shape and physicochemical properties of target molecules, which is crucial in drug discovery for improving potency, selectivity, and metabolic stability. As a specialized chiral amine, it is employed in the synthesis of complex molecules where the introduction of a specific spatial arrangement is required. It is commercially available from suppliers of fine chemicals and advanced synthetic intermediates for research purposes.