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歡迎光臨~糖化學,糖生物學專營-chemsynlab
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  • 4064-06-6,雙丙酮半乳糖,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6
4064-06-6,雙丙酮半乳糖,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6

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

  • CAS: 4064-06-6
  • C12H20O6 / 260.28
  • MFCD00063225
  • 產品描述:4064-06-6,雙丙酮半乳糖; 二丙酮-D-半乳糖; 1,2:3,4-O-雙異丙叉-Α-D-半乳糖; 1,2:3,4-雙鄰異丙基-Α-D-吡喃半乳糖; 1,2:3,4-雙鄰異丙基-D-吡喃半乳糖; 1,2:3,4-二-氧-異丙叉基-Α-D-半乳糖; 1,2:3,4-二-O-異亞丙基-Α-D-吡喃半乳糖CAS: 4064-06-6
  • 在線訂購
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

(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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