The following is an introduction to (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS 76855-69-1, I hope to help you better understand (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS 76855-69-1. Welcome new and old customers to continue to cooperate with us to create a better future together! White or off white crystalline powder Melting point 106-109 ℃, Boiling point 358.3 ± 27.0 ° C .