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ChemicalBook--->CAS DataBase List--->3068-32-4

3068-32-4

3068-32-4 Structure

3068-32-4 Structure
IdentificationMore
[Name]

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
[CAS]

3068-32-4
[Synonyms]

2,3,4,6-O-TETRAACETYL-1-BROMOGALACTOSE
2,3,4,6-TETRA-O-ACETYL-1-DEOXY-ALPHA-D-GALACTOPYRANOSYL BROMIDE
2,3,4,6-TETRA-O-ACETYL-A-D-GALACTOPYRANOSYL BROMIDE
2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GALACTOPYRANOSYL BROMIDE
ACETOBROMO-ALPHA-D-GALACTOSE
ACETOBROMOGALACTOSE
ALPHA-ACETOBROMO-D-GALACTOSE
ALPHA-D-ACETOBROMOGALACTOSE
BROMO-2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GALACTOPYRANOSE
BROMO 2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GALACTOPYRANOSIDE
acetobromo-ó-d-galactose
alpha-d-galactopyranosylbromide,tetraacetate
tetra-O-acetyl-alpha-D-galactopyranosyl bromide
2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
Acetobromo-alpha-D-galactose
acetobromo-D-galactose
ACETOBROMO-A-D-GALACTOSE
ACETOBROMO-ALPHA-D-GALACTOSE, STAB.
ACETIC ACID 4,5-DIACETOXY-6-ACETOXYMETHYL-2-BROMO-TETRAHYDRO-PYRAN-3-YL ESTER
A-D-GALACTOPYRANOSYL BROMIDE
ALPHA-D-ACETOBROMOGALACTOPYRANOSIDE
[EINECS(EC#)]

221-324-0
[Molecular Formula]

C14H19BrO9
[MDL Number]

MFCD00063686
[Molecular Weight]

411.2
[MOL File]

3068-32-4.mol
Chemical PropertiesBack Directory
[Appearance]

White Crystalline Solid
[Melting point ]

83-85 °C
[alpha ]

210 º (c=3, CHCl3)
[Boiling point ]

412.0±45.0 °C(Predicted)
[density ]

1.7028 (rough estimate)
[refractive index ]

1.4490 (estimate)
[storage temp. ]

−20°C
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly), Water (Slightly)
[form ]

Solid
[color ]

White to Pale Yellow
[biological source]

synthetic (organic)
[optical activity]

[α]25/D 200 to 225 °, c =0.5% (w/v) in chloroform
[Water Solubility ]

Sparingly soluble
[Usage]

Temperature and moisture sensitive; Store in freezer; Stabilized with 2% CaCO
[BRN ]

96671
[Stability:]

Temperature Sensitive; Store in freezer; Stabilized with 2% CaCO3
[CAS DataBase Reference]

3068-32-4(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

3
[F ]

8-10-21
[HS Code ]

29329990
Hazard InformationBack Directory
[Chemical Properties]

White Crystalline Solid
[Uses]

Temperature and moisture sensitive; Store in freezer; Stabilized with 2% CaCO3
[Purification Methods]

Purify acetobromo-D-galactose as for the glucose analogue (next entry). If the compound melts lower than 87o or is highly coloured, then dissolve it in CHCl3 (ca 3 volumes) and extract with H2O (2 volumes), 5% aqueous NaHCO3, and again with H2O and dry it over Na2SO4. Filter and evaporate it in a vacuum. The partially crystalline solid or syrup is dissolved in dry Et2O (must be very dry) and recrystallised by adding pet ether (b 40-60o) to give a white product. [McKellan & Horecker Biochemical Preparations 11 111 1960, Beilstein 17/6 V 369.]
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide, 95%(3068-32-4)
[Sigma Aldrich]

3068-32-4(sigmaaldrich)
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