4-acetoxyazetidin-2-one
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Product Name
4-acetoxyazetidin-2-one
Details
Substance
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Specifications
- CAS Number: 28562-53-0
- Chemical Formula: C5H7NO3
- Purity Grade: Pharmaceutical Grade, ≥99.0% purity (HPLC, external standard)
- IUPAC Name: (4-oxoazetidin-2-yl) acetate
- EC Number: 249-083-7
- Molecular Weight: 129.11
- Appearance: White or off-white crystalline powder
- Application: Intermediate for β-lactam antibiotic synthesis (carbapenems, penems)
Other Information
Additional Description:
4-Acetoxyazetidin-2-one (4AA) is an important intermediate used to synthesize beta-lactam antibiotics such as carbapenems and penems. Offered at pharmaceutical grade — though not directly manufactured — by Hebei Wordstar Chemical Co.,Ltd, it is described as a white to off-white crystalline powder with an assay of no less than 99.0% by HPLC and a specific optical rotation of +47° to +51°; it is distributed across North America, Central/South America, Western and Eastern Europe, Australasia, Asia, the Middle East, and Africa.
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