CAS No.10257-28-0,D-(+)-GALACTOSE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	10257-28-0
Name:	D-(+)-GALACTOSE
Article Data:	194

Formula:	C₆H₁₂O₆
Molecular Weight:	180.158
Synonyms:	Galactopyranose,D- (8CI);NSC 8102;
EINECS:	233-595-2
Density:	1.732 g/cm³
Melting Point:	168-170oC(lit.)
Boiling Point:	410.797 °C at 760 mmHg
Flash Point:	202.243 °C
Safety:	24/25
PSA:	110.38000
LogP:	-3.22140

Synthetic route

: 25878-60-8
D-galactose pentaacetate

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With methanol; sodium bromide; silver(l) oxide at 20℃;	100%
With guanidine nitrate In ethanol; dichloromethane deacetylation;
With methanol; sodium methylate at 20℃; Reagent/catalyst;	100 %Spectr.

: 4064-06-6
1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With phosphotungstic acid; water In acetonitrile at 20℃; for 3h;	100%
Multi-step reaction with 3 steps 1.1: sodium hydride; tetrabutylammomium bromide / N,N-dimethyl-formamide; mineral oil / 0.75 h / 0 - 20 °C 1.2: 16 h / 0 - 20 °C 2.1: trifluoroacetic acid / water / 0 - 20 °C 3.1: water / 0.33 h / Irradiation View Scheme

: 2592-58-7, 3006-48-2, 3006-49-3, 13526-09-5, 14679-57-3, 22415-91-4, 29884-70-6, 41545-55-5, 41545-56-6, 41569-33-9, 96996-90-6, 121570-85-2, 121570-86-3
1,2,3,4,6-Penta-O-benzoyl-α-D-galactopyranose

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With methanol; sodium bromide; silver(l) oxide at 20℃;	100%
With methanol; sodium methylate at 20℃; Reagent/catalyst;	100 %Spectr.

: C24H39NO12

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With water for 0.333333h; Irradiation;	100%

: 83-87-4, 604-68-2, 604-69-3, 2152-77-4, 4026-35-1, 4163-59-1, 4163-60-4, 4163-61-5, 4163-65-9, 4257-94-7, 4257-96-9, 16299-15-3, 19186-39-1, 19189-55-0, 25878-60-8, 25941-03-1, 32445-48-0, 32445-49-1, 32445-53-7, 32445-54-8, 34685-58-0, 34685-59-1, 43168-42-9, 43168-44-1, 43169-22-8, 43169-25-1, 66966-07-2, 70749-17-6, 80184-01-6, 93221-01-3, 93221-02-4, 99630-88-3, 109215-53-4, 115792-70-6, 115792-73-9, 139894-92-1, 139973-25-4, 144071-49-8, 147648-81-5
penta-O-acetyl-α-D-galactopyranose

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With lipase A from Aspergillus niger In aq. phosphate buffer; acetonitrile at 25℃; for 30h; pH=7; Enzymatic reaction;	99%

: allyl-α-D-galactopyranose

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With hexaaquaruthenium(II) tosylate In water-d2 at 50℃; for 24h; Inert atmosphere;	95%

: 1,2:4,6-di-O-isopropylidene-3-oxobenzoyl-α-D-galactopyranoside

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With acetyl chloride In methanol at 20℃; Reagent/catalyst; Inert atmosphere;	93%

: 4163-60-4
β-D-galactose peracetate

: 10257-28-0
D-Galactose

Conditions

Conditions	Yield
With methanol; potassium cyanide for 0.333333h; Ambient temperature;	88%
With lipase A from Aspergillus niger In aq. phosphate buffer; acetonitrile at 25℃; for 139h; pH=7; Enzymatic reaction;	80%

: 5989-81-1
alpha-lactose monohydrate

A: 10257-28-0
D-Galactose

B: 802873-15-0
lactulose

C: 87-81-0
D-tagatose

Conditions

Conditions	Yield
With triethylammonium borate In water at 70℃; for 4h; Yields of byproduct given;	A n/a B 87% C n/a
With triethylammonium borate In water at 70℃; for 4h; Product distribution; various pH, tertiary amines;	A n/a B 87% C n/a

...Expand

: 1-O-butanoyl-lactulose

A: 10257-28-0
D-Galactose

B: 1-O-butanoyl-D-fructose

Conditions

Conditions	Yield
With acetate buffer for 6h; Ambient temperature; β-galactosidase, pH 4.5;	A n/a B 79%

Raw Materials

482-36-0

153-18-4

480-10-4

Downstream Products

141-46-8

512-69-6

79-14-1

Total:26 Page 1 of 1 1

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Specification

The CAS register number of D-Galactopyranose is 10257-28-0. It also can be called as D-Galactose and the systematic name about this chemical is D-galactopyranose. The molecular formula about this chemical is C₆H₁₂O₆ and the molecular weight is 180.1559.

Physical properties about D-Galactopyranose are: (1)# of Rule of 5 Violations: 1; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1.053; (5)ACD/KOC (pH 7.4): 1.053; (6)#H bond acceptors: 6; (7)#H bond donors: 5; (8)#Freely Rotating Bonds: 6; (9)Polar Surface Area: 110.38Å²; (10)Index of Refraction: 1.635; (11)Molar Refractivity: 37.254 cm³; (12)Molar Volume: 104.015 cm³; (13)Polarizability: 14.769x10^-24cm³; (14)Surface Tension: 81.751 dyne/cm; (15)Flash Point: 202.243 °C; (16)Enthalpy of Vaporization: 76.626 kJ/mol; (17)Boiling Point: 410.797 °C at 760 mmHg.

You can still convert the following datas into molecular structure:
(1)SMILES: C([C@@H]1[C@@H]([C@@H]([C@H](C(O1)O)O)O)O)O
(2)InChI: InChI=1/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3+,4+,5-,6?/m1/s1
(3)InChIKey: WQZGKKKJIJFFOK-SVZMEOIVBA
(4)Std. InChI: InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3+,4+,5-,6?/m1/s1
(5)Std. InChIKey: WQZGKKKJIJFFOK-SVZMEOIVSA-N