CAS No.644-76-8,1,6-ANHYDRO-BETA-D-GALACTOPYRANOSE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	644-76-8
Name:	1,6-ANHYDRO-BETA-D-GALACTOPYRANOSE
Article Data:	27

Formula:	C₆H₁₀O₅
Molecular Weight:	162.142
Synonyms:	Galactopyranose,1,6-anhydro-, b-D-(6CI,8CI);1,6-Anhydro-b-D-galactopyranose;D-Galactosan;Levogalactosan;NSC 1376;
EINECS:	1312995-182-4
Density:	1.688 g/cm³
Melting Point:	226 °C
Boiling Point:	383.8 °C at 760 mmHg
Flash Point:	185.9 °C
Hazard Symbols:	Xn
Risk Codes:	20/21/22-36/37/38
Safety:	26-36
PSA:	79.15000
LogP:	-2.17580

Synthetic route

: 10257-28-0
D-Galactose

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
With 2-chloro-1,3-dimethylimidazolinium chloride; triethylamine In water at 0℃; for 0.25h;	99%

: 2872-72-2
phenyl-2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
With sodium hydroxide for 120h; Heating;	95%
With sodium hydroxide In water for 120h; Heating;	95%

: 91876-32-3
Pentachlorophenyl 2,3,4,6-tetra-O-acetyl-β-D-galactose

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
With potassium hydroxide for 1h; Heating;	75%

: 29704-64-1
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-galactopyranose

A: 104477-44-3
1,6-anhydro-3-O-benzoyl-2-O-benzyl-β-D-galactopyranose

B: 71019-57-3
1,6-anhydro-3-O-benzoyl-β-D-galactopyranose

C: 66963-43-7
1,6-anhydro-3,4-di-O-benzyl-β-D-galactopyranose

D: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
palladium on activated charcoal In isopropyl alcohol for 5h; Heating; further O-benzyl protecting 1,6-anhydrohexoses, various reaction time;	A n/a B 70% C 40% D n/a

...Expand

: 29704-64-1
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-galactopyranose

A: 71019-57-3
1,6-anhydro-3-O-benzoyl-β-D-galactopyranose

B: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
palladium on activated charcoal In isopropyl alcohol for 5h; Heating;	A 70% B n/a
With isopropyl alcohol; palladium on activated charcoal for 5h; Heating;	A 70% B n/a

: 4132-24-5
1,6-anhydro-2,3,4-tri-O-acetyl-β-D-galactopyranose

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
With ammonium hydroxide In methanol for 15h; Ambient temperature;	59%
With sodium methylate

: 82756-28-3
3-(β-D-galactopyranosyloxy)-2-furanyl methyl ketone

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
With pyrrolidine; triethylamine In ethanol at 79 - 80℃; for 24h;	41%

: 7296-64-2
β-D-galactopyranoside

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
at 360℃; under 0.1 Torr;

: 59-23-4
D-Galactose

A: 644-76-8
1,6-anhydro-β-D-galactopyranose

B: 33818-21-2
1,6-Anhydro-α-D-galactofuranose

Conditions

Conditions	Yield
under 15 Torr;
With sulfuric acid
at 265 - 375℃; under 2 Torr; α-D-Galactopyranose;

: 59-23-4
D-Galactose

: 644-76-8
1,6-anhydro-β-D-galactopyranose

Conditions

Conditions	Yield
at 360℃; under 0.1 Torr; β-D-Galactopyranose;

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Specification

The CAS register number of 1,6-Anhydro-beta-D-galactose is 644-76-8. It also can be called as b-D-Galactopyranose, 1,6-anhydro- and the IUPAC name about this chemical is 6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol. The molecular formula about this chemical is C₆H₁₀O₅and molecular weight is 162.14. It belongs to the following product categories which include 13C & 2H Sugars; Carbohydrates & Derivatives and so on.

Physical properties about 1,6-Anhydro-beta-D-galactose are: (1)ACD/LogP: -0.04; (2)ACD/LogD (pH 5.5): -0.04; (3)ACD/LogD (pH 7.4): -0.04; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 22.6; (7)ACD/KOC (pH 7.4): 22.6; (8)#H bond acceptors: 5; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 46.15Å²; (12)Index of Refraction: 1.619; (13)Molar Refractivity: 33.7 cm³; (14)Molar Volume: 95.9 cm³; (15)Polarizability: 13.36x10^-24cm³; (16)Surface Tension: 70.6 dyne/cm; (17)Enthalpy of Vaporization: 73.13 kJ/mol; (18)Boiling Point: 383.8 °C at 760 mmHg; (19)Vapour Pressure: 1.81E-07 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation or in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: OC2C(O)C(O)C1OC2OC1
(2)InChI: InChI=1/C6H10O5/c7-3-2-1-10-6(11-2)5(9)4(3)8/h2-9H,1H2
(3)InChIKey: TWNIBLMWSKIRAT-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C6H10O5/c7-3-2-1-10-6(11-2)5(9)4(3)8/h2-9H,1H2
(5)Std. InChIKey: TWNIBLMWSKIRAT-UHFFFAOYSA-N