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44367

Lewis-a trisaccharide

≥98.0% (TLC)

Synonym(s):

α-L-Fuc-(1→4)-[β-D-Gal-(1→3)]-D-GlcNAc, Galactosyl-β-1,3-(fucosyl-α-1,4)-N-acetylglucosamine, Lea-Trisaccharide

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About This Item

Empirical Formula (Hill Notation):
C20H35NO15
CAS Number:
56570-03-7
Molecular Weight:
529.49
NACRES:
NA.25
PubChem Substance ID:
329756500
UNSPSC Code:
12352201
MDL number:
MFCD00214078
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assay

≥98.0% (TLC)

form

solid

technique(s)

thin layer chromatography (TLC): suitable

storage temp.

−20°C

SMILES string

OC1[C@H](NC(C)=O)[C@@H](O[C@@H]([C@H](O)[C@H]2O)O[C@H](CO)[C@@H]2O)[C@H](O[C@H](O[C@H]3C)[C@@H](O)[C@H](O)[C@@H]3O)[C@@H](CO)O1

InChI

1S/C20H35NO15/c1-5-10(25)12(27)14(29)19(32-5)35-16-8(4-23)33-18(31)9(21-6(2)24)17(16)36-20-15(30)13(28)11(26)7(3-22)34-20/h5,7-20,22-23,25-31H,3-4H2,1-2H3,(H,21,24)/t5-,7+,8+,9+,10+,11-,12+,13-,14-,15+,16+,17+,18?,19-,20-/m0/s1

InChI key

CFDVGUXRLQWLJX-QGTNPELVSA-N

Biochem/physiol Actions

Lewis a trisaccharide is a fucosyloligosaccharide present in human milk and colostrum, which is important for the protection of infants against infection by pathogenic microorganisms. Lewis a trisaccharide is found on the surface of erythrocytes and is a tumor-related antigen. Used as analytical standard, enzyme substrate, in blood group typing, and antibody binding assays.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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