欢迎光临~糖化学,糖生物学专营-chemsynlab
语言选择: 中文版 ∷  英文版

缩醛缩酮

  • 14686-89-6, 双丙酮葡萄糖, CAS:14686-89-6
14686-89-6, 双丙酮葡萄糖, CAS:14686-89-6

14686-89-6, 双丙酮葡萄糖, CAS:14686-89-6

  • CAS:14686-89-6
  • C12H20O6 / 260.28
  • MFCD00069693
  • 产品描述:14686-89-6, Di-O-isopropylidene-a-D-gulofuranose, CAS:14686-89-6
  • 在线订购

COA:


Product name: 1,2:5,6-Di-O-isopropylidene-a-D-gulofuranose

CAS: 14686-89-6

Batch No: 20071008, Quantity: 230 g

Items

Standards

Results

Appearance

White crystalline power

Positive

Solubility

Soluble in water and

less soluble in petroleum ether

Complies

Appearance of solution

Dissolve 0.5 gin 10 ml of water,

and the solution is clear

Complies

Identification

IR and TLC

Positive

Loss Weight On Dryness

Max. 1%

Complies

Melting point

100 - 105

103 - 105

Optical Activity

α]20/D = +7.5±1°,

c = 1 in CHC3

+7.52°

TLC (15%H2SO4-C2H5OH)

One spot

Complies

Heavy metal

Max. 20ppm

Complies

Assay

Min. 98%

98.6%

References:
1. Rosenthal A, Ratcliffe M, Carbohydr. Res. 1977, Mar 54(1), 61-73


用手机扫描二维码关闭
二维码