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  • 4064-06-6,双丙酮半乳糖,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6
4064-06-6,双丙酮半乳糖,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6

4064-06-6,双丙酮半乳糖,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6

  • CAS: 4064-06-6
  • C12H20O6 / 260.28
  • MFCD00063225
  • 产品描述:4064-06-6,双丙酮半乳糖; 二丙酮-D-半乳糖; 1,2:3,4-O-双异丙叉-Α-D-半乳糖; 1,2:3,4-双邻异丙基-Α-D-吡喃半乳糖; 1,2:3,4-双邻异丙基-D-吡喃半乳糖; 1,2:3,4-二-氧-异丙叉基-Α-D-半乳糖; 1,2:3,4-二-O-异亚丙基-Α-D-吡喃半乳糖 CAS: 4064-06-6
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CAS: 4064-06-6

Product name: 1,2:3,4-Di-O-isopropylidene-D-galactopyranose

CAS: 4064-06-6 M.F.: C12H20O6 M.W.: 260.28

Items

Standards

Results

Appearance

A white or slightly yellowish syrup

Positive

Solubility

Soluble in CHCl3 and

less soluble in petroleum ether

Complies

Appearance of solution

Dissolve0.5gin 10mL of CHCl3,

and the solution should be clear

Complies

NMR and ESI-MS

Should comply

Complies

Identification

IR and TLC

Positive

Optical Activity

[α]20/D (c = 3% in CHCl3)

-58o ~ -60 o

-59.2 o

Refractive Index

n20/D

1.4 ~ 1.5

1.46

Density

1.13 ~ 1.15

1.14

Residue on ignition

Max. 0.5%

0.05%

Heavy metal

Max. 20ppm

Complies

TLC (15%H2SO4-C2H5OH)

One spot

Complies

Assay

Min. 97%

99.2%

References:

1. Santoyo Ganzalez F, Baer HH, Carbohyr. Res. 1990, 15, 202, p33
2. Lee YC, Carbohydr. Res. 1982, 16, 101, p39


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