(1R,5S,6s)-tert-Butyl 6-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate is a chiral bicyclic azetidine derivative featuring a formyl group and a Boc-protected amine. Its molecular formula is C11H17NO3, and it is a key synthetic intermediate with a defined stereochemistry. This compound is primarily utilized in pharmaceutical research and development as a crucial building block for the synthesis of complex drug candidates. Its rigid, strained bicyclic scaffold and reactive aldehyde functionality make it a valuable precursor for constructing novel molecules, particularly in the field of medicinal chemistry for probing new chemical space and developing potential therapeutics. The product is typically handled under inert atmosphere and stored at low temperatures (e.g., 2-8°C) to maintain stability. It is intended for research and development use only in laboratory settings.