(2R)-2-Amino-2-cyclobutylethan-1-ol hydrochloride is a chiral amino alcohol derivative featuring a cyclobutyl ring. It is a white to off-white solid, typically supplied as its hydrochloride salt to enhance stability and handling properties. This compound is primarily utilized as a key chiral building block in pharmaceutical research and development. Its structure, containing both an amino group and a hydroxyl group on a chiral center adjacent to a cyclobutyl moiety, makes it a valuable intermediate for constructing complex molecules with specific three-dimensional configurations. It is notably employed in the synthesis of potential drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas where the cyclobutane scaffold is of interest for modulating pharmacokinetic and pharmacodynamic properties. As a chiral synthon, it is used in asymmetric synthesis and for introducing the cyclobutylaminoethanol pharmacophore into target molecules. Its applications underscore its role in the discovery and process chemistry stages of drug development.