Wikipedia:  

purine

1H-Purine; 7H-Imidazo(4,5-d)pyrimidine; 9H-purine; 3,5,7-TRIAZAINDOLE; 9H-Purine; 9H-Purine (VAN); Purine; 1H-purine; 7H-Purine; Imidazo(4,5-d)pyrimidine; 6H-Imidazo(4,5-d)pyrimidine
Molecular Formula
C5 H4 N4
Natural Isotopic Abundance Mass
120.11206
Mono-Isotopic Molecular Masses
C12N14:   120.0435961492
C13N14:   125.0603703382
C12N15:   124.031735722
C13N15:   129.048509911
purine image
purine
InCHi String:
InChI=1S/C5H4N4/c1-4-5(8-2-6-1)9-3-7-4/h1-3H,(H,6,7,8,9)

canonical and isomeric SMILES:
C1=C2C(=NC=N1)N=CN2


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME: PUBCHEM iupac SYSTEMATIC NAME
7H-purine



PubChem Substance (SID):   85165243   7993801   3113
PubChem Compound (CID):   1044
KEGG: Compound ID   C00465
CAS Registry IDs:   120-73-0
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich P1655_SIGMA   CambridgeSoft Corporation 8193   ChEBI CHEBI:17258   ZINC ZINC00152268   BioCyc PURINE-RING   ChemIDplus 000120730   ChemSpider 11648663   EINECS 204-421-2   NMRShiftDB 10016247   ChemDB 4727499   NIST Chemistry WebBook 3964834558

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.