ChEBI Name oxygen-18 atom
ChEBI ID CHEBI:33815
Definition The stable isotope of oxygen with relative atomic mass 17.999160 and 0.205 atom percent natural abundance.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula O
Net Charge 0
Average Mass 17.99916
InChI InChI=1S/O/i1+2
InChIKey QVGXLLKOCUKJST-NJFSPNSNSA-N
SMILES [18O]
Roles Classification
Biological Role(s): macronutrient

(via oxygen atom )
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ChEBI Ontology
Outgoing oxygen-18 atom (CHEBI:33815) is a oxygen atom (CHEBI:25805)
Incoming (18O)water (CHEBI:33813) has part oxygen-18 atom (CHEBI:33815)
IUPAC Name
oxygen-18
Synonyms Sources
188O IUPAC
18O IUPAC
heavy oxygen ChEBI
oxygen, isotope of mass 18 ChemIDplus
oxygen-18 ChEBI
schwerer Sauerstoff ChEBI
Registry Numbers Types Sources
14797-71-8 CAS Registry Number ChemIDplus
17562 Gmelin Registry Number Gmelin
Last Modified
05 marzo 2010