Wikipedia:  

Dihydrouracil

5,6-dihydrouracil; dihydrouracil; Hydrouracil; 5,6-Dihydro-2,4-dihydroxypyrimidine; 2,4(1H,3H)-Pyrimidinedione, dihydro-; 5,6-Dihydrouracil; 4,5-dihydrouracil; dihydropyrimidine-2,4(1H,3H)-dione; 1,3-diazinane-2,4-dione; 2,4-Dioxotetrahydropyrimidine; Hydrouracil (8CI)
Molecular Formula
C4 H6 N2 O2
Natural Isotopic Abundance Mass
114.10264
Mono-Isotopic Molecular Masses
C12N14:   114.0429274472
C13N14:   118.0563467984
C12N15:   116.0369972336
C13N15:   120.0504165848
Dihydrouracil image
Dihydrouracil
InCHi String:
InChI=1S/C4H6N2O2/c7-3-1-2-5-4(8)6-3/h1-2H2,(H2,5,6,7,8)

canonical and isomeric SMILES:
C1CNC(=O)NC1=O


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

PUBCHEM iupac TRADITIONAL NAME
5,6-dihydrouracil

PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME
hexahydropyrimidine-2,4-dione



PubChem Substance (SID):   85165214   1433808   6648
PubChem Compound (CID):   649
KEGG: Compound ID   C03919
CAS Registry IDs:   504-07-4
PDB Chemical Component   DUC
Miscellaneous Databases and IDs:   Sigma-Aldrich D7628_SIGMA   ChEBI CHEBI:15901   BioCyc DI-H-URACIL   ChemIDplus 000504074   ChemSpider 11365987   MMDB 38337.13   EINECS 207-982-1   ZINC ZINC00895228   DrugBank DB01849   ChemDB 3999582   NIST Chemistry WebBook 4083880093

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.