Synonyms: Methyl alfa-D-Galactopyranoside Monohydrate, 1-O-mehyl-alfa-D-Galactoside, α-Methylgalactose, Methyl galactoside, 1-O-Methyl-Galactoside, Alfa-methyl-D-galactoside.
Molecular Formula: C7H16O7
Molecular weight: 212
CAS No.: 93302-26-2/3396-99-4
Quality Standard:
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Item
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Specification
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Appearance
Assay , %
Meling point, ℃
Specific rotation , （C＝1，H2O）
Water, %
Residue on ignition, %
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White to off-white granule or powder
≥98.0
104.0～110.0
+173.0～+183.0
≤9.0
≤0.10
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Characteristics: It is white odourless crystalline powder, soluble in water, methanol and hot ethanol etc.
Uses: Used in the synthesis of pharmaceutical intermediates such as Methyl-2,3,4,6-tetra-O-benzyl-D-galactopyranose, 4-amino-4-deoxy-D-hexuronic acid or alcohol. Used for synthesis of methyl galactopyranoside derivate, for example, methyl α-D- galactopyranonic acid; methyl 3-O-benzoyl-α-D-galactopyranoside; methyl 2,3,6-tri-O-acetyl or benzyl-α-D-galactopyranoside, methyl 2,3,4,6-tetra-O-acetyl-α-D-galactopyranoside, methyl 2,3,4-tri-O-acetyl or benzoyl-α-D-galactopyranoside; methyl 3,4 -O-isopropylidene-α-D-galactopyranoside; methyl 4,6-O-isopropylidene-α-D-galactopyranoside; methyl 2,3,4-tri-O-acetyl-6-bromo or iodine-6-deoxy-α-D-galactopyranoside and methyl 2,4-di-O-acetyl 3,6-anhydro-α-D-galactopyranoside, 1,5- anhydro-α-D-galactitol, etc. Used in synthetic carbopeptides, polymers combined with carbohydrates, Sialyloligosaccharides, Thiolactose, Thiocellobiose, (1→3) and (1→6) glycan and other oligosaccharides. Used for synthesis glycosidase inhibitor 1,5-di-deoxy-1,5-imino-D- galactitol, disaccharide block of Shiga bacillus vaccine methyl O-α-D-L-rhamnopyranosyl-(1→2)-α-D-galactopyranosides and so on. Used for synthesis Galactopyranoside-Binding Boronic Acids or benzoboroxoles.
Storage:Maintain in cool, dry containment.
Package:25kg/drum or as customer require.
Expiration Date: 2 years.
