
Lactulose
Lactulose is a synthetic galactosylfructose disaccharide used in the treatment of constipation and hepatic encephalopathy. It has a role as a laxative and a gastrointestinal drug. — ChEBI
- 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
- Molecular formula
- C12H22O11
- Molecular weight
- 342.30 g/mol
- Exact mass
- 342.11621151 Da
- XLogP3
- -4.3
- Topological polar surface area
- 190.0 Ų
- Hydrogen-bond donors
- 8
- Hydrogen-bond acceptors
- 11
- Covalent units
- 1
- Defined stereocentres
- 9
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:6359
- ChEMBL:CHEMBL296306
- EPA DTXSID:DTXSID5045833
- PubMed:23122115
- PubMed:23120982
- PubMed:23106006
- PubMed:23052993
- PubMed:23020182
- PubMed:22998724
- PubMed:22985725
- PubMed:22971971
- PubMed:22967190
- PubMed:22953892
- PubMed:22940065
- PubMed:22888267
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.