
Allantoin
Allantoin is an imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen. It has a role as a vulnerary, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is an imidazolidine-2,4-dione and a member of ureas. It is functionally related to a hydantoin. It is a tautomer of a 1-(5-hydroxy-2-oxo-2,3-dihydroimidazol-4-yl)urea. — ChEBI
- IUPAC name
- (2,5-dioxoimidazolidin-4-yl)urea
- Molecular formula
- C4H6N4O3
- Molecular weight
- 158.12 g/mol
- Exact mass
- 158.04399007 Da
- XLogP3
- -2.2
- Topological polar surface area
- 113.0 Ų
- Hydrogen-bond donors
- 4
- Hydrogen-bond acceptors
- 3
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:15676
- ChEMBL:CHEMBL593429
- EPA DTXSID:DTXSID3020043
- PubMed:32382552
- PubMed:30654793
- PubMed:24709313
- PubMed:21920950
- PubMed:20877959
- PubMed:20567778
- PubMed:20013639
- PubMed:19081307
- PubMed:18900011
- PubMed:18636793
- PubMed:16029681
- PubMed:14664509
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.