Description

A purine nucleobase that consists of purine bearing an oxo substituent at position 6.

Chemical properties

Chemical formula Net charge Average mass
C5H4N4O 0 136.11162
hypoxanthine

Recommended notation

Name inosine
Abbreviation xI

Nomenclature

IUPAC SMILES InChI InChIKey Synonyms
1,7-dihydro-6H-purin-6-one O=c1[nH]cnc2nc[nH]c12 InChI=1S/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10) FDGQSTZJBFJUBT-UHFFFAOYSA-N
  • purine-6-ol
  • 9h-purin-6(1h)-one
  • hyp
  • purin-6(1h)-one
  • 6-oxopurine
  • 6(1h)-purinone

Nature

Origin Function Functional detail
Organisms
References
natural damage and hypermodified nucleobase
  • Escherichia coli
  • Homo sapiens
  • Rattus norvegicus
  • Thermoanaerobacter acetoethylicus