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ChemicalBook--->CAS DataBase List--->2782-07-2

2782-07-2

2782-07-2 Structure

2782-07-2 Structure
IdentificationMore
[Name]

D-GALACTONO-1,4-LACTONE
[CAS]

2782-07-2
[Synonyms]

D(-)-GALACTONIC ACID GAMMA-LACTONE
D-GALACTONO-1,4-LACTONE
D(-)-GALACTONO-GAMMA-LACTONE
D-GALACTONO-GAMMA-LACTONE
D-GALACTONO-G-LACTONE
D-GALACTONOLACTONE
GALACTONO-1,4-LACTONE, D-
GAMMA-D-GALACTONOLACTONE
1,4-D-Galactonolactone
Galactonic acid, gamma-lactone, D-
galactonic acid gamma-lactone
(3R)-3α,4β,5β-Trihydroxy-6β-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-one
1-Oxo-1-deoxy-D-galactopyranose
D-Galactonic acid 1,5-lactone
D-galacto-Hexonic acid 1,4-lactone
D-Galactonic acid 1,4-lactone
[EINECS(EC#)]

220-484-9
[Molecular Formula]

C6H10O6
[MDL Number]

MFCD00065019
[Molecular Weight]

178.14
[MOL File]

2782-07-2.mol
Chemical PropertiesBack Directory
[Melting point ]

137°C
[Boiling point ]

467.9±18.0 °C(Predicted)
[density ]

1.766±0.06 g/cm3(Predicted)
[solubility ]

DMSO (Slightly), Water (Slightly)
[form ]

Solid
[pka]

12.06±0.60(Predicted)
[color ]

White to Off-White
[LogP]

-3.400 (est)
[CAS DataBase Reference]

2782-07-2(CAS DataBase Reference)
[EPA Substance Registry System]

D-Galactonic acid, .gamma.-lactone (2782-07-2)
Safety DataBack Directory
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[HS Code ]

29322090
Hazard InformationBack Directory
[Uses]

D-Galactono-1,4-lactone was used in carbohydrate research as an elution compound for the purification process of exo-β-D-galactofuranosidase enzyme.
[Definition]

ChEBI: A galactonolactone derived from D-galactonic acid.
[Purification Methods]

Crystallise the lactone from EtOH, aqueous EtOH, MeOH or EtOAc. It is also purified by passage through a column of Amberlite IR-120 (H+ form), and the effluent and washings are then freeze-dried [Wolfrom & Thompson Methods in Carbohydrate Chemistry I 67 1963, Academic Press]. The 5,6-O-isopropylidene-D-galactono-1,4-lactone is purified by chromatography (EtOAc) and has m 165-167o (from EtOH/hexane), and 167.5-168.5o (from Me2CO/*C6H6) [NMR: Copel & Stick Aust J Chem 31 1371 1978.] [Beilstein 18 III/IV 3026, 18/5 V 18.]
Spectrum DetailBack Directory
[Spectrum Detail]

D-GALACTONO-1,4-LACTONE(2782-07-2)MS
D-GALACTONO-1,4-LACTONE(2782-07-2)1HNMR
D-GALACTONO-1,4-LACTONE(2782-07-2)13CNMR
D-GALACTONO-1,4-LACTONE(2782-07-2)IR1
D-GALACTONO-1,4-LACTONE(2782-07-2)IR2
D-GALACTONO-1,4-LACTONE(2782-07-2)Raman
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