4AA(AOSA):4-acetoxyazetidin-2-one[分子式]:C13H25NO4Si[分子量]:287.43[CAS]:[76855-69-1][光學純度]:99% e e[含量]:≥98.5%(外標法)[比鏇]:[α]D25: +46~+49°(c=0.98 CHCl3)[熔點]:104~108℃[水分]:≤0.1%[包裝]:20kg/桶 (內襯塑料袋、鋁薄袋密封,外為紙桶)。[運輸與儲藏]:室溫