High Quality Pharmaceutical CAS 76855-69-1 4-AA 99% 4AA 4-Acetoxyazetidin-2-One

• Grade Standard: Medicine Grade
• Type: Chemical Reagent
• State: Solid
• Volatile: Not Volatile
• CAS: 76855-69-1
• Mf.: C13h25no4si
• Model NO.: py0550
• Einecs: 408-050-9
• MOQ: 1kg
• Transport Package: 1kg/Bag, 25kg/Drum
• Specification: 99%
• Trademark: Puya
• Origin: China
• Production Capacity: 10ton/Year

Product Description

CAS 76855-69-1 4-AA 99% 4AA 4-Acetoxyazetidin-2-One

Product name	(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
CAS Number	76855-69-1
Synonyms	4-AA;(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one;(3R,4R)-(+)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-ACETOXY-3-[(R)-(TERT-BUTYLDIMETHYLSILYChemicalbookLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-(ACETYLOXY)-3-[(1R)-1-[[(1,1-DIMETHYLETHYL)DIMETHYLSILYL]OXY]ETHYL]-2-AZETIDINONE;[3R(1'R,4R)]-(+)-4-ACETOXY-3-[1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(2R,3R)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-OXOAZETIDIN-2-YLACETATE
Molecular formula	C13H25NO4Si
Molecular Weight	287.43
Purity	99%
Appearance	White powder
EINECS number	408-050-9

Properties
 

Appearance & Physical State	white to light yellow crystal powder
Density	1.039g/cm3
Boiling Point	358.318ºC at 760 mmHg
Melting Point	107-109ºC
Flash Point	170.505ºC
Refractive Index	1.464
Storage Condition	2-8ºC

An acetoxyazetidinone derivative used as an intermediate in the preparation of carbapenem antibiotics.

Use:
4-acetoxyazacyclic butanone, hereinafter referred to as 4AA, is a key intermediate in the synthesis of Penem drugs and has important uses in the pharmaceutical industry.