CHEBI:36219 - α-lactose

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ChEBI Name α-lactose
ChEBI ID CHEBI:36219
ChEBI ASCII Name alpha-lactose
Definition The α-anomer of lactose.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:35461, CHEBI:43627, CHEBI:6353
Supplier Information
Download Molfile XML SDF
Formula C12H22O11
Net Charge 0
Average Mass 342.29648
Monoisotopic Mass 342.11621
InChI InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11+,12+/m1/s1
InChIKey GUBGYTABKSRVRQ-XLOQQCSPSA-N
SMILES OC[C@H]1O[C@@H](O[C@@H]2[C@@H](CO)O[C@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@@H](O)[C@H]1O
Roles Classification
Biological Role(s): human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
(via lactose )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing α-lactose (CHEBI:36219) is a lactose (CHEBI:17716)
Incoming α-D-GalpNAc-(1→3)-β-D-Galp-(1→4)-α-D-Glcp (CHEBI:149247) has functional parent α-lactose (CHEBI:36219)
α-L-Fucp-(1→2)-[β-D-Galp-(1→4)]-α-D-Glcp (CHEBI:148677) has functional parent α-lactose (CHEBI:36219)
β-D-Galp-(1→4)-α-D-Glcp-(1→4)-D-Glcp (CHEBI:149416) has functional parent α-lactose (CHEBI:36219)
β-D-Galp-(1→4)-α-D-Glcp-(1→6)-D-Glcp (CHEBI:147983) has functional parent α-lactose (CHEBI:36219)
β-D-Galp-(1→4)-β-D-Galp-(1→4)-α-D-Glcp (CHEBI:149361) has functional parent α-lactose (CHEBI:36219)
β-D-Glcp-(1→4)-β-D-Galp-(1→4)-α-D-Glcp (CHEBI:148907) has functional parent α-lactose (CHEBI:36219)
papulacandin A (CHEBI:72611) has functional parent α-lactose (CHEBI:36219)
papulacandin B (CHEBI:569624) has functional parent α-lactose (CHEBI:36219)
papulacandin C (CHEBI:72622) has functional parent α-lactose (CHEBI:36219)
IUPAC Name
β-D-galactopyranosyl-(1→4)-α-D-glucopyranose
Synonyms Sources
1-beta-D-Galactopyranosyl-4-alpha-D-glucopyranose KEGG COMPOUND
4-O-β-D-galactopyranosyl-α-D-glucopyranose IUPAC
alpha-Lactose KEGG COMPOUND
α-lactose UniProt
Anhydrous lactose KEGG COMPOUND
β-D-Galp-(1→4)-α-D-Glcp IUPAC
Lactose KEGG COMPOUND
LACTOSE PDBeChem
Milk sugar KEGG COMPOUND
WURCS=2.0/2,2,1/[a2122h-1a_1-5][a2112h-1b_1-5]/1-2/a4-b1 GlyTouCan
Manual Xrefs Databases
1535 DrugCentral
DB04465 DrugBank
G88362QR GlyGen
G88362QR GlyTouCan
LACTOSE MetaCyc
LBT PDBeChem
View more database links
Registry Numbers Types Sources
14641-93-1 CAS Registry Number ChemIDplus
90842 Beilstein Registry Number Beilstein
90842 Reaxys Registry Number Reaxys
Citation Waiting for Citations Type Source
2432147 PubMed citation Europe PMC
Last Modified
07 April 2021