EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:33818 - oxygen-16 atom

Default Structure
ChEBI IDCHEBI:33818
ChEBI Nameoxygen-16 atom
Stars
DefinitionThe stable isotope of oxygen with relative atomic mass 15.994914. The most abundant (99.76 atom percent) isotope of naturally occurring oxygen.
Last Modified5 March 2010
SubmitterKirill Degtyarenko
DownloadsMolfile
Formula[16O]
Net Charge0
Average Mass15.995
Monoisotopic Mass15.99491
SMILES[16O]
InChIInChI=1S/O/i1+0
InChIKeyQVGXLLKOCUKJST-IGMARMGPSA-N
Roles Classification
Biological Role:
macronutrient  Any nutrient required in large quantities by organisms throughout their life in order to orchestrate a range of physiological functions. Macronutrients are usually chemical elements (carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur) that humans consume in the largest quantities. Calcium, sodium, magnesium and potassium are sometimes included as macronutrients because they are required in relatively large quantities compared with other vitamins and minerals.
ChEBI Ontology
Outgoing Relation(s)
oxygen-16 atom (CHEBI:33818) is a oxygen atom (CHEBI:25805)
IUPAC Name 
oxygen-16
Synonyms  Source
oxygen-16ChEBI
16OIUPAC
168OIUPAC
Registry NumbersSources
Gmelin:17560Gmelin