English Name: (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy) ethyl] azetidin-2-one
Product Name: 4 - acetoxy heterocyclic ketone;heterocyclic ketone 4-AA; 4 - acetoxy -3-- [1 - (tert-butyl dimethyl silicone) ethyl] Heterocyclic butanone
Molecular Formula: C13H25NO4Si
Molecular Weight :287.43
CAS No:76855-69-1
Appearance: crystalline powder
Melting point: 107-109 o C (lit.)
Specific Rotation: 51 o (c = 1, chloroform)
Storage conditions: 2-8 o C
Dangerous Goods signs: Xi, N
Risk Codes: 36-43-51/53
Security Note: 24-26-37-61
Dangerous Goods Code: UN 3077 9/PG 3
Content: >=98%
Uses: the key intermediate of inmipenem antibiotic drugs