Side chain for imipenem CAS NO.90776-58-2

Chemical Name: (3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone. or [2R-[2α(R*),3β(R*)] ]-3-[1-[[(1,1-dimethy…

Chemical Name: (3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone. or [2R-[2α(R*),3β(R*)] ]-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-α-methl-4- oxo-2-azetidineacetic acid. CAS： 90776-58-2 Molecular Formula: C14H27NO4Si MW: 301.45 Mp: 146-147℃ [α]D20: +30～+35° Moisture： ≤0.5% Assay： ≥96% Container： 20kg/bucket Reposition： -8~10℃