.BETA.-D-GALACTOPYRANOSE PENTAACETATE CAS No.4163-60-4 / Cat No.EBD3058508
BETA-D-GALACTOSE PEN
B-D-GALACTOSE PENTAACETATE
MAN -D-GALACTOSE PENTAACETATE
PENTAACETYL-SS-D-GALACTOSE
SS-D-GALACTOSE PENTAACETATE
BETA-D-GALACTOSEPENTAACETAT
WEI ,WEI -D,L-GLUCOSE-PENTAACETAT
PENTAACETYL-BETA-D-GALACTOSE
BETA-D-GALACTOSE PENTAACETATE
D-GALACTOSE PENTAACETATE ,98%
.BETA.-D-GALACTOPYRANOSE PENTAACETATE
Beta-D-Galactose pentaacetate
1,2,3,4,6-Pentaacetyl-beta-D-galactose
β-D-Galactose Pentaacetate
2,3,4,5,6-penta-O-acetyl-D-galactose
1,2,3,4,6-penta-O-acetyl-beta-D-galactopyranose
1,2,3,4,6-penta-O-acetyl-α-L-idopyranose
B-D-GALACTOSE PENTAACETATE
beta-D-galactose pentaacetate
penta-o-acetyl-beta-d-galactopyranose
Properties
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Appearance:
white fine crystalline powder
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Density:
1.3 g/cm3
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Melting point:
143-144 °C(lit.)
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Boiling point:
434.8 °C at 760 mmHg
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Flashing point:
188.1 °C
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Storage temperature:
−20°C
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Coefficient of refraction:
23.5 ° (C=2, MeOH)
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Optical rotation:
[α]20/D +8.6°, c = 1.5% in chloroform
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Solubility:
methanol: 50 mg/mL, clear
Safety Information
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Signal words:
None
NMR Spectrum
Prediction： 1H NMR (400 MHz, CDCl3): delta 6.35 (br, 1H, H-1alpha), 5.68 (d, J = 8.2 Hz, 0.5H, H-1beta), 5.48 (br, 1H, H-4alpha), 5.40 (d, J = 8.2 Hz, 0.5H, H-4beta), 5.34-5.29 (m, 2.5H, H-2alpha, H-2beta, H-3alpha), 5.05 (dd, J = 10.5, 3.4 Hz, 0.5H, H-3beta), 4.35-4.29 (m, 1.5H, H-6beta, H-5alpha), 4.17-4.03 (m, 3.0H, 2 H-6alpha, H-6beta, H-5beta), 2.14 (s, 1.6H, CH3CObeta), 2.14 (s, 3H, CH3COalpha), 2.14 (s, 3H, CH3COalpha), 2.03 (s, 1.6H, CH3CObeta), 2.02 (s, 3.2H, 2 CH3CObeta), 2.02 (s, 3H, CH3COalpha), 2.00 (s, 3H, CH3COalpha), 1.98 (s, 3H, CH3COalpha), 1.97 (s, 1.6H, CH3CObeta)
1H NMR
13C NMR
