Fuc-(a1,2)-Gal; 2-O-(a-L-Fucopyranosyl)-D-galactopyranose;

H-Disaccharide; 2-O-(6-Deoxyhexopyranosyl)Hexopyranose ;

Blood Group H disaccharide

*Core antigen fragment in ABO blood group system*

2-O-a-L-Fucopyranosyl-galactose, also known as alpha-L-fucosyl-(1, 2)-D-galactose or blood group H disaccharide, belongs to the class of organic compounds known as fatty acyl glycosides of mono- and disaccharides. Fatty acyl glycosides of mono- and disaccharides are compounds composed of a mono- or disaccharide moiety linked to one hydroxyl group of a fatty alcohol or of a phosphorylated alcohol (phosphoprenols), a hydroxy fatty acid or to one carboxyl group of a fatty acid (ester linkage) or to an amino alcohol. 2-O-a-L-Fucopyranosyl-galactose is soluble (in water) and a very weakly acidic compound (based on its pKa). 2-O-a-L-Fucopyranosyl-galactose has been primarily detected in urine. Within the cell, 2-O-a-L-fucopyranosyl-galactose is primarily located in the cytoplasm.

Alpha-L-fucosyl-(1->2)-D-galactose is a glycosylgalactose.