82535-18-0

Basic information

• Product Name: 2-(Acetylamino)-2-deoxy-4-O--D-galactopyranosyl-D-galactopyranose
• Synonyms: 2-(Acetylamino)-2-deoxy-4-O--D-galactopyranosyl-D-galactopyranose;2-Acetamido-2-deoxy-4-O-(-D-galactopyranosyl)-D-galactopyranose;2-Acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-D-galactopyranose;2-Acetamido-2-deoxy-4-O-(2-D-galactopyranosyl)-D-galactopyranose
• CAS NO: 82535-18-0
• Molecular Formula: C₁₄H₂₅NO₁₁
• Molecular Weight: 383.3484
• Product Categories: Oligosaccharides
• Mol File: 82535-18-0.mol
• Article Data: 2

Chemical Properties

• Melting Point: 60-65°C
• Appearance: /
• Storage Temp.: -20°C Freezer
• Solubility: Methanol (Slightly), Water (Slightly)
• CAS DataBase Reference: 2-(Acetylamino)-2-deoxy-4-O--D-galactopyranosyl-D-galactopyranose(CAS DataBase Reference)
• NIST Chemistry Reference: 2-(Acetylamino)-2-deoxy-4-O--D-galactopyranosyl-D-galactopyranose(82535-18-0)
• EPA Substance Registry System: 2-(Acetylamino)-2-deoxy-4-O--D-galactopyranosyl-D-galactopyranose(82535-18-0)

Safety Data

• Hazardous Substances Data: 82535-18-0(Hazardous Substances Data)

Usage

Chemical Properties

Off-White Solid

Uses

Galactopyranosyl derivative

Upstream product

• 3068-32-4 1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside 
• 134-61-2 N-acetylgalactosamine 
• 3150-24-1 4-nitrophenyl-β-D-galactopyranoside 
• 3458-28-4 D-Mannose 

Relevant articles and documents

Regioselectivity in β-galactosidase-catalyzed transglycosylation for the enzymatic assembly of D-galactosyl-D-mannose

The regioselectivity of β-galactosidase derived from Bacillus circulans ATCC 31382 (β-1,3-galactosidase) in transgalactosylation reactions using D-mannose as an acceptor was investigated. This D-mannose associated regioselectivity was found to be different from reactions using either GlcNAc or GalNAc as acceptors, not only for β-1,3-galactosidase but also for β-galactosidases of different origins. The relative hydrolysis rate of Galβ-pNP and D-galactosyl-D-mannoses, of various linkages, was also measured in the presence of β-1,3-galactosidase and was found to correlate well with the ratio of disaccharides formed by transglycosylation. The unexpected regioselectivity using D-mannose can therefore be explained by an anomalous specificity in the hydrolysis reaction. By utilizing the identified characteristics of both regioselectivity and hydrolysis specificity using D-mannose, an efficient method for enzymatic synthesis of β-1,3-, β-1,4- and β-1,6-linked D-galactosyl-D-mannose was subsequently established.