beta-D-Galp-(1->4)-D-Xylp (CHEBI:148937)

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ChEBI Name	β-D-Galp-(1→4)-D-Xylp

ChEBI ID	CHEBI:148937

ChEBI ASCII Name	beta-D-Galp-(1->4)-D-Xylp

Definition	A disaccharide consisting of a β-D-galactopyranose residue joined to a D-xylopyranose residue by a (1→4) glycosidic bond. Used to diagnose hypolactasia (lactose intolerance as a result of lactase deficiency) via presence of D-xylose after cleavage by lactase.

Stars	This entity has been manually annotated by the ChEBI Team.

Submitter	Gareth Owen

Supplier Information

Download	Molfile XML SDF

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Formula

C11H20O10

Net Charge

Average Mass

312.271

Monoisotopic Mass

312.10565

InChI

InChI=1S/C11H20O10/c12-1-3-5(13)7(15)9(17)11(20-3)21-4-2-19-10(18)8(16)6(4)14/h3-18H,1-2H2/t3-,4-,5+,6+,7+,8-,9-,10?,11+/m1/s1

InChIKey

VCTBNHVCBSUQPG-NCRZSTDJSA-N

SMILES

O([C@@H]1O[C@@H]([C@H](O)[C@H](O)[C@H]1O)CO)[C@H]2[C@H](O)[C@@H](O)C(OC2)O

Roles Classification
Application(s):	diagnostic agent A substance administered to aid diagnosis of a disease.

ChEBI Ontology
Outgoing	β-D-Galp-(1→4)-D-Xylp (CHEBI:148937) has functional parent β-D-galactose (CHEBI:27667) β-D-Galp-(1→4)-D-Xylp (CHEBI:148937) has functional parent D-xylopyranose (CHEBI:53455) β-D-Galp-(1→4)-D-Xylp (CHEBI:148937) has role diagnostic agent (CHEBI:33295) β-D-Galp-(1→4)-D-Xylp (CHEBI:148937) is a glycosylxylose (CHEBI:35380)

Incoming	β-D-Galp-(1→3)-β-D-Galp-(1→4)-D-Xylp (CHEBI:146882) has functional parent β-D-Galp-(1→4)-D-Xylp (CHEBI:148937)

IUPAC Names

4-O-β-D-galactopyranosyl-D-xylopyranose

Gal(b1-4)Xyl

Synonyms	Sources
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(3R,4R,5R)-4,5,6-trihydroxyoxan-3-yl]oxyoxane-3,4,5-triol	IUPAC
4-O-galactosyl-D-xylose	ChemIDplus
4-O-galactosylxylose	ChemIDplus
β-D-galacto-hexopyranosyl-(1→4)-D-xylo-pentopyranose	IUPAC
WURCS=2.0/2,2,1/[a212h-1x_1-5][a2112h-1b_1-5]/1-2/a4-b1	SUBMITTER

Registry Number	Type	Source
14087-31-1	CAS Registry Number	ChEBI

Last Modified

05 May 2020