下载捕鱼游戏

歡迎光臨~糖化學,糖生物學專營-chemsynlab
語言選擇: 中文版 ∷  英文版

縮醛縮酮

  • 20031-21-4,單丙酮-D-木糖,Monoacetone-D-xylose, CAS: 20031-21-4
  • 20031-21-4,單丙酮-D-木糖,Monoacetone-D-xylose, CAS: 20031-21-4
20031-21-4,單丙酮-D-木糖,Monoacetone-D-xylose, CAS: 20031-21-420031-21-4,單丙酮-D-木糖,Monoacetone-D-xylose, CAS: 20031-21-4

20031-21-4,單丙酮-D-木糖,Monoacetone-D-xylose, CAS: 20031-21-4

  • CAS: 20031-21-4
  • C8H14O5/190.19
  • MFCD00063295
  • 產品描述:20031-21-4,單丙酮-D-木糖Monoacetone-D-xylose, CAS: 20031-21-41,2-異丙叉-D-木糖; 單丙酮-D-木糖; 單丙酮木糖; 1,2-O-異亞丙基-ALPHA-D-呋喃木糖; 1,2-O-異亞丙基-D-呋喃木糖CAS: 20031-21-4
  • 在線訂購
CAS: 20031-21-4

Product name: 1,2-O-Isopropylidene-a-D-xylofuranose CAS: 20031-21-4

M.F.: C8H14O5 M.W.: 190.19

Items

Standards

Results

Appearance

Off-white powder or slightly yellow syrup

Complies

Solubility

Insoluble in ether, soluble in water

Complies

NMR and MS

Should comply

Complies

Specific rotation

( [α]25/D, c=1 inH2O)

-18o ~ -20o

-18.5o

Water content

Max. 0.5%

0.2%

Residue on ignition

Max. 0.5%

0.1%

Heavy metal

Max.50ppm

Complies

TLC

Should be one spot

One spot

Assay

Min. 95%

98.2%

References:

1. Matray TJ, Gryaznov SM, Nucleic Acids Res. Vol27, No20, p3976-3985


万丰国际赌场 麻将棋牌 麻将棋牌 地方棋牌 地方棋牌 花样棋牌 花样棋牌 龙王捕鱼