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> 1-BMA or 4-BMA
1-BMA or 4-BMA
Product Name: 1-BMA or 4-BMA
CAS No.: 90776-58-2
1-BMA or 4-BMA
CAS：[90776-58-2]
Side chain for imipenem
β-methylazetidin-2-one (1-BMA or 4-BMA)
(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.
Structural Formula：
Molecular Formula：C
14
H
27
NO
4
Si
MW：301.45
CAS：[90776-58-2]
Appearance: power with white or alike color
Mp：146-147℃
[α]D
20
: +30～+35°
Moisture：≤0.5%
Assay：≥98%
Container：20kg/bucket
Reposition：-8~10℃
Side chain for meropenem,imipenem
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