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Home> Products > Organic Intermediates > Pharmaceutical Intermediates > CAS DataBase Listed 7 > CAS 76855-69-1
76855-69-1 structure

CAS 76855-69-1 (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one | Products & Prices & Suppliers
  • An acetoxyazetidinone derivative used as an intermediate in the preparation of carbapenem antibiotics.
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  • Name: (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
  • Molecular Weight: 287.431
  • Formula: C13H25NO4Si
  • Synonyms: (2R,3R)-3-[(1R)-1-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}ethyl]-4-oxo-2-azetidinyl acetate; (2R,3R)-3-[(1R)-1-{[tert-Butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl acetate; (2R,3R)-3-[(1S)-1-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}ethyl]-4-oxo-2-azetidinyl acetate; (2R,3R)-3-[(1S)-1-{[tert-Butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl acetate; (2R,3R)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-OXOAZETIDIN-2-YLACETATE; (3R,4R)-(+)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;
Properties Safety and Handling MSDS NMR Spectrum Computational chemical data
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Identification
Safety Data
  • [Risk Codes]
  • R36:Irritating to the eyes
  • R43:May cause sensitization by skin contact
  • R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
  • [Safety Statements]
  • S24:Avoid contact with skin
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S37:Wear suitable gloves
  • S61:Avoid release to the environment. Refer to special instructions safety data sheet
  • Hazard Symbols:
  • HazardClass:9
Properties
  • Molecular Weight:
  • 287.431
  • Density:
  • 1.039
  • Boiling Point:
  • 358.318°C at 760 mmHg
  • Melting Point:
  • 107-109℃
  • Flash Point:
  • 170.505°C
  • Alpha:
  • 51 o (C=1, CHLOROFORM)
  • Storage Temperature:
  • 2-8°C
  • Refractive index:
  • 1.464
  • More Properties>>
Question & Answer
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:APIs Pharmaceutical Adjuvant Biochemicals & Biotech products Name: (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one (Related Reference) EINECS: 408-050-9 Molecular Formula: C13H25NO4Si CAS Registry Number: 76855-69-1 Synonyms: 4-AA; ...
  • Updatetime:Jul 07 2023 
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Factory Supply (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
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(3R,4R)-4-Acetoxy-3-[(R)-tert-butyldimethylsilyloxy]ethyl]-2-azetidinone
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  • Description:Name: (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Synonyms: 4-AA; 4-AOSA; Acetoxyazetidinone CAS Registry number: 76855-69-1 EINECS：408-050-9 Molecular Formula: C13H25NO4Si Boiling Point: 358.318°C at 760 mmHg Flash Point: 170....
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:Common name: 4-acetoxy-azocyclobutane (3S,4R) -4-acetoxy-3 -[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS number 76855-69-1 Molecular weight 287.427
  • Updatetime:Aug 21 2023 
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3-(1-(ButyldiMethylsilyloxy)ethyl)-4-oxoazetidin-2-yl acetate
3-(1-(ButyldiMethylsilyloxy)ethyl)-4-oxoazetidin-2-yl acetat...
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(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS No.： 76855-69-1
(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl...
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4-Acetoxyazetidin-2-one
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(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:Product NO: SP041 (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Basic information Product Name: (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:product Name (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Synonyms 4-AA; 4-AOSA; Acetoxyazetidinone; 4AA; 4-acetoxyazetidin-2-one; Acetoxysilyloxyazetidinone; (2R,3R)-3-[(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin...
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:Safe 99% (3S,4R)-4-Acetoxy-3-[(R)-1-(Tert-Butyldimethylsilyloxy) Ethyl]azetidin-2-One For Carbapenem Antibiotics CAS 76855-69-1 Quick Details (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Synonym: 4-AA;(3s,4r)-4-acetoxy-3-[(r)-1-(...
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4-acetoxyazetidin-2-one
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High quality 4-Acetoxyazetidin-2-One supplier in China
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  • Description:Name: (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one Synonyms: 4-AA; 4-AOSA; ZINC195807945; Acetoxyazetidinone CAS Registry number: 76855-69-1 EINECS：408-050-9 Molecular Formula: C13H25NO4SI Boiling Point: 358.318°C at 760 mmHg Fl...
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl...
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  • Description:【Appearance】 white to light yellow crystal powder【Density】 1.039g/cm3【Melting Point】 107-109℃【Boiling Point】 358.318°C at 760 mmHg【Refractive Index】 1.464【Flash Point】 170.505°C【Alpha】 51 o (C=1, CHLOROFORM)【Storage temp】 2-8°C
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Description:2-Azetidinone,4-(acetyloxy)-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, [3R-[3a(R*),4b]]-;(1'R,3R,4R)-4-acetoxy-3-(1'-tert-butyldimethylsilyloxyethyl)-2-azetidinone;(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsiloxy)ethyl]azetidin-2-one;(3R,4R)-4-Ac...
  • Updatetime:Nov 21 2018 
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(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
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  • Updatetime:Aug 31 2015 
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