Discuss This Drug

Lactose

CHEBI:CHEBI_17716

Definition

A glycosylglucose disaccharide, found most notably in milk, that consists of D-galactose and D-glucose fragments bonded through a beta-1->4 glycosidic linkage. The glucose fragment can be in either the alpha- or beta-pyranose form, whereas the galactose fragment can only have the beta-pyranose form.

Chemical Information

Molecular Formula
C12H22O11
Molecular Mass
342.297
Charge
0
SMILES
OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O
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-QKKXKWKRSA-N

Alternative Names

  • (+)-lactose
  • (Gal)1 (Glc)1
  • 1-beta-D-Galactopyranosyl-4-D-glucopyranose
  • 4-(beta-D-galactosido)-D-glucose
  • 4-O-beta-D-galactopyranosyl-D-glucose
  • beta-D-Gal-(1->4)-D-Glc
  • beta-D-galactopyranosyl-(1->4)-D-glucopyranose
  • beta-D-Galp-(1->4)-D-Glcp
  • beta-Gal1,4-Glc
  • D-lactose
  • Galbeta1-4Glc
  • Lac
  • lactobiose
  • lactose
  • Laktobiose
  • Laktose
  • Milchzucker
  • milk sugar
  • Milk sugar
  • WURCS=2.0/2,2,1/[a2122h-1x_1-5][a2112h-1b_1-5]/1-2/a4-b1

Drug Classification

Important Medical Information

⚕️ This information is sourced from ChEBI (Chemical Entities of Biological Interest) database and is intended for educational purposes only.

  • Always consult with a healthcare professional before starting, stopping, or modifying any medication.
  • Side effects may vary and this list may not be comprehensive.
  • Drug interactions may occur with other medications.

Additional Identifiers

DRON_00010000
6211
oboInOwl#hasDbXref
Reaxys:1292745
core#notation
CHEBI:17716

Additional References

🔍 Click on any linked disease name to learn more about the conditions this medication is used to treat, or explore related drug classifications for more information about similar medications.

Additional Attributes

oboInOwl#hasOBONamespace
chebi_ontology
DRON_00010000
6211
oboInOwl#hasDbXref
Reaxys:1292745
oboInOwl#hasAlternativeId
CHEBI:613009
oboInOwl#id
CHEBI:17716
core#notation
CHEBI:17716
oboInOwl#inSubset
http://purl.obolibrary.org/obo/chebi#3_STAR
RO_0000087
http://purl.obolibrary.org/obo/CHEBI_77746
22-rdf-syntax-ns#type
http://www.w3.org/2002/07/owl#Class
owl#someValuesFrom
t1440267
rdf-schema#domain
https://w3id.org/def/predibionto#has_side_effect10274
owl#annotatedSource
t137919