Wikipedia:  

Barbituric acid

2,4,6(1H,3H,5H)-pyrimidinetrione; BARBITURIC ACID; 2,4,6-Pyrimidinetrione; Barbitursaeure; 1,2,3,4,5,6-Hexahydro-2,4,6-pyrimidinetrione; Urea, N,N'-(1,3-dioxo-1,3-propanediyl)-; pyrimidine-2,4,6(1H,3H,5H)-trione; Barbiturate; 2,4,6-Trihydroxypyrimidine; 2,4,6(1H,3H,5H)-Pyrimidinetrione; Hexahydropyrimidine-2,4,6-trione
Molecular Formula
C4 H4 N2 O3
Natural Isotopic Abundance Mass
128.08616
Mono-Isotopic Molecular Masses
C12N14:   128.0221920051
C13N14:   132.0356113563
C12N15:   130.0162617915
C13N15:   134.0296811427
Barbituric acid image
Barbituric acid
InCHi String:
InChI=1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)

canonical and isomeric SMILES:
C1C(=O)NC(=O)NC1=O


PUBCHEM iupac NAME: PUBCHEM iupac SYSTEMATIC NAME
1,3-diazinane-2,4,6-trione

PUBCHEM iupac TRADITIONAL NAME
barbituric acid

PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME
hexahydropyrimidine-2,4,6-trione



PubChem Substance (SID):   85165145   8145676   33435186
PubChem Compound (CID):   6211
KEGG: Compound ID   C00813
CAS Registry IDs:   16564-27-5   32267-40-6   160336-60-7   154254-45-2   1194-23-6   51159-18-3   117491-80-2   158217-19-7   20964-57-2   223674-02-0   42910-84-9   118738-52-6   63896-95-7   4390-16-3   53853-41-1   67-52-7
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich 11709_FLUKA   ChEBI CHEBI:16294   ChemIDplus 000067527   ChemSpider 15298585   BIND 712   EINECS 200-658-0   NMRShiftDB 20027388   ZINC ZINC03008695   Specs AG-670/31547005   ChemDB 4260592   NIST Chemistry WebBook 616905153

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.