CHEBI:36219 - α-lactose

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
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 342.116
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 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
Anhydrous lactose KEGG COMPOUND
β-D-Galp-(1→4)-α-D-Glcp IUPAC
Lactose KEGG COMPOUND
LACTOSE PDBeChem
Milk sugar KEGG COMPOUND
Manual Xrefs Databases
1535 DrugCentral
DB04465 DrugBank
LACTOSE MetaCyc
LBT PDBeChem
View more database links
Registry Numbers Types Sources
14641-93-1 CAS Registry Number ChemIDplus
90842 Reaxys Registry Number Reaxys
90842 Beilstein Registry Number Beilstein
Citation Waiting for Citations Type Source
2432147 PubMed citation Europe PMC
Last Modified
22 February 2017