CHEBI:30219 - helium-4 atom

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name helium-4 atom
ChEBI ID CHEBI:30219
Definition The stable isotope of helium with relative atomic mass 4.002603. The most abundant (99.99 atom percent) isotope of naturally occurring helium.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formula [4He]
Net Charge 0
Average Mass 4.003
Monoisotopic Mass 4.00260
InChI InChI=1S/He/i1+0
InChIKey SWQJXJOGLNCZEY-IGMARMGPSA-N
SMILES [4He]
ChEBI Ontology
Outgoing helium-4 atom (CHEBI:30219) has part α-particle (CHEBI:30216)
helium-4 atom (CHEBI:30219) is a helium atom (CHEBI:30217)
IUPAC Name
helium-4
Synonyms Sources
42He IUPAC
4He IUPAC
helium-4 ChEBI
Registry Number Type Source
14207 Gmelin Registry Number Gmelin
Last Modified
05 March 2010