Wikipedia:  

5-(Hydroxymethyl)uracil

Thymine, alpha-hydroxy-; 5-(Hydroxymethyl)uracil; 5-Hydroxymethyluracil; 5-Oxymethyluracil; Uracil, 5-(hydroxymethyl)-; 5-(hydroxymethyl)-2,4(1H,3H)-pyrimidinedione; 5-(hydroxymethyl)pyrimidine-2,4(1H,3H)-dione; 2,4(1H,3H)-Pyrimidinedione, 5-(hydroxymethyl)-; 4-Methyl-5-oxyuracil; 5-(hydroxymethyl)uracil; 5-(Hydroxymethyl)-2,4(1H,3H)-pyrimidinedione
Molecular Formula
C5 H6 N2 O3
Natural Isotopic Abundance Mass
142.11274
Mono-Isotopic Molecular Masses
C12N14:   142.0378420693
C13N14:   147.0546162583
C12N15:   144.0319118557
C13N15:   149.0486860447
5-(Hydroxymethyl)uracil image
5-(Hydroxymethyl)uracil
InCHi String:
InChI=1S/C5H6N2O3/c8-2-3-1-6-5(10)7-4(3)9/h1,8H,2H2,(H2,6,7,9,10)

canonical and isomeric SMILES:
C1=C(C(=O)NC(=O)N1)CO


PUBCHEM iupac NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME: PUBCHEM iupac SYSTEMATIC NAME
5-(hydroxymethyl)-1H-pyrimidine-2,4-dione

PUBCHEM iupac TRADITIONAL NAME
5-methyloluracil



PubChem Substance (SID):   85165232   10414222   92225642
PubChem Compound (CID):   78168
KEGG: Compound ID   C03088
CAS Registry IDs:   4433-40-3
PDB Chemical Component   HMU
Miscellaneous Databases and IDs:   ChEBI CHEBI:16964   ZINC ZINC00114121   BioCyc CPD-254   ChemIDplus 004433403   ChemSpider 70544   ICCB-Longwood/NSRB Screening Facility, Harvard Medical School HMS1619D05   EINECS 224-636-5   CCRIS 8815   NIST 211913310

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.