6-Bromo-2-naphthyl α-D-galactopyranoside

CAS No.：25997-59-5

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6-Bromo-2-naphthyl α-D-galactopyranoside Basic information

Product Name:	6-Bromo-2-naphthyl α-D-galactopyranoside
Synonyms:	6-BROMO NAPHTHYL GALACTOPYRANOSIDE;6-BROMO-2-NAPHTHYL-A-D-GALACTOPYRANOSIDE;6-BROMO-2-NAPHTHYL-ALPHA-D-GALACTOPYRANOSIDE;2-(6-BROMONAPHTHYL)-ALPHA-D-GALACTOPYRANOSIDE;BR-NAP-ALPHA-D-GAL;BROMO-2-NAPHTHYL-A-D-GALACTOPYRANOSIDE, 6-;6-Bromo-2-Naphthyl-Alpha-D-Galactopyran-;(6-Bromo-2-naphthalenyl)α-D-galactopyranoside
CAS:	25997-59-5
MF:	C16H17BrO6
MW:	385.21
EINECS:	247-398-4
Product Categories:	Substrates;13C & 2H Sugars;Carbohydrates & Derivatives;substrate
Mol File:	25997-59-5.mol

6-Bromo-2-naphthyl α-D-galactopyranoside Chemical Properties

Melting point	225°C
Boiling point	609℃
density	1.698
Fp	322℃

Safety Information

HS Code

29389090

MSDS Information

6-Bromo-2-naphthyl α-D-galactopyranoside Usage And Synthesis

Uses	6-Bromo-2-naphthyl α-D-galactopyranoside can be acted as a useful reagent for determination of alpha-D-Galactosidase activity.
Definition	ChEBI: An alpha-D-galactoside having a 6-bromo-2-naphthyl substituent at the anomeric position.
Purification Methods	It is prepared from penta-O-acetyl-D-galactoside, 6-bromo-2naphthol and ZnCl2. The resulting tetra-acetate (2g) is hydrolysed by dissolving in 0.3N KOH (100mL) and heating until the solution is clear, then filtering and cooling to give colourless crystals of the -isomer which are collected and recrystallised twice from hot MeOH. The high specific rotation is characteristic of the isomer. The tetraacetate has m 155-156o, [] D 20 +60o (c 1, CHCl3) [Dey & Pridham Biochem J 115 47 1969] [reported m 75-85o, [] D 24 +94o (c 1.3, dioxane), Monis et al. J Histochem Cytochem 11 653 1963]. [Beilstein 17 IV 2972.]

6-Bromo-2-naphthyl α-D-galactopyranoside Preparation Products And Raw materials

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