Hebei wordstar Chemcial co.,Ltd.
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4AA(4-acetoxyazetidin-2-one)
1、 product name：4-AA chemical name： 4-acetoxyazetidin-2-one MF：C13H25NO4Si molecular weight：287.43 structured： test
1、 product name：4-AA
chemical name： 4-acetoxyazetidin-2-one
MF：C13H25NO4Si
molecular weight：287.43
structured：
Specification(standard of company)
1
Description
White or off-White crystalline powder
2
Indetification
In the determination of content items,the relative time of sample is in accord with one of the reference substance
3
Water content
NMT 0.05%
4
Specific potical rotation
+ 47°~+51°
5
Melting point
105℃~109℃
6
Assay(By HPLC)
external standard method,NLT 99.0%
7
Storing
Preserve in well-closed
Abstract: 4-acetoxyazetidin-2-one (4AA) is a kind of important medicinal intermediate, mainly employed to synthesize β-Lactam antibiotics like carbapenems and penems．
HEBEI WORDSTAR CHEMICAL CO.,LTD
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