Chemicals and Drugs

Lactulose

A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887)

Chemical Identity

Chemical Information

Molecular Formula
C12H22O11
Molecular Weight
342.30 g/mol
CAS Registry No.
4618-18-2
IUPAC Name
(2S,3R,4S,5R,6R)-2-[(2R,3S,4S,5R)-4,5-dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
InChIKey
JCQLYHFGKNRPGE-FCVZTGTOSA-N
SMILES
C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@@]([C@H]2O)(CO)O)CO)O)O)O)O
MeSH Unique ID
D007792
Source
PubChem CID 11333

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

Synonyms

3 entry terms
  • Amivalex
  • Duphalac
  • Normase

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

do not confuse with LACTOSE

MeSH Record

History Note

91(73); was see under DISACCHARIDES 1973-90

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Lactulose. Medical Subject Headings (MeSH). 2026. Unique ID D007792. http://id.nlm.nih.gov/mesh/2026/D007792
  2. Lactulose. In: Wikipedia. https://en.wikipedia.org/wiki/Lactulose
  3. Lactulose. In: Wikidata. https://www.wikidata.org/wiki/Q422689
  4. Lactulose. In: PubChem Compound. CID 11333. https://pubchem.ncbi.nlm.nih.gov/compound/11333