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Product FOB Price Min.Order Supply Ability Supplier
(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Manufacturer/High quality/Best price/In stock
Cas No: 76855-69-1
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High purity Various Specifications (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS:76855-69-1
Cas No: 76855-69-1
USD $ 100.0-500.0 / Gram 1 Gram 99999 Gram/Year Hangzhou Dingyan Chem Co., Ltd Contact Supplier
High quality 4-Acetoxyazetidin-2-One supplier in China
Cas No: 76855-69-1
No Data 1 Metric Ton 30 Metric Ton/Month Simagchem Corporation Contact Supplier
Cas No: 76855-69-1
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Factory Supply (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
Cas No: 76855-69-1
No Data 1 1 Ality Chemical Corporation Contact Supplier
Cas No: 76855-69-1
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
Cas No: 76855-69-1
USD $ 63.0-63.0 / Gram 1 Gram 500 Metric Ton/Year Jinan Finer Chemical Co., Ltd Contact Supplier
Cas No: 76855-69-1
No Data 1 Kilogram 100 Kilogram/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one 76855-69-1
Cas No: 76855-69-1
No Data 100 Gram 20000 Kilogram/Day Hubei XinRunde Chemical Co., Ltd Contact Supplier
New production CAS 76855-69-1 with best quality
Cas No: 76855-69-1
USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier

76855-69-1 Usage

Chemical Properties

white to light yellow crystal powde


(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one is an acetoxyazetidinone derivative used as an intermediate in the preparation of carbapenem antibiotics.

Purification Methods

Purify it by chromatography on silica gel (3 x 14cm) for 50g of ester using 20% EtOAc in n-hexane. The eluate is evaporated, and the residue is recrystallised from hexane (white fluffy crystals). [Leanza et al. Tetrahedron 39 2505 1983.]

76855-69-1 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
TCI America (A1124)  (3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone  >98.0%(N) 76855-69-1 5g 980.00CNY Detail
TCI America (A1124)  (3R,4R)-4-Acetoxy-3-[(R)-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone  >98.0%(N) 76855-69-1 25g 3,990.00CNY Detail
Aldrich (375845)  [3R(1′R,4R)]-(+)-4-Acetoxy-3-[1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone  98% 76855-69-1 375845-1G 1,260.09CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name 4-acetoxyazetidin-2-one

1.2 Other means of identification

Product number -
Other names (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:76855-69-1 SDS

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