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> Main
CHEBI:155827 - argon-39 atom
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ChEBI Ontology
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ChEBI Name
argon-39 atom
ChEBI ID
CHEBI:155827
Definition
A trace radioisotope of argon with atomic mass of 38.964313 and a half-life of 269 years.
Stars
This entity has been manually annotated by the ChEBI Team.
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Formula
[39Ar]
Net Charge
0
Average Mass
38.964
Monoisotopic Mass
38.96431
InChI
InChI=1S/Ar/i1-1
InChIKey
XKRFYHLGVUSROY-BJUDXGSMSA-N
SMILES
[Ar]
Roles Classification
Application
(s):
isotopic tracer
A tracer which only differs in isotopic composition from the substance to be traced.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing
argon-39 atom (
CHEBI:155827
)
has role
isotopic tracer (
CHEBI:35206
)
argon-39 atom (
CHEBI:155827
)
is a
argon atom (
CHEBI:49475
)
Synonyms
Sources
39
18
Ar
ChEBI
39
Ar
ChemIDplus
39
Ar radioisotope
ChEBI
Ar-39
ChEBI
Ar-39 radioisotope
ChEBI
argon 39
ChEBI
argon, isotope of mass 39
ChemIDplus
argon-39
ChEBI
Registry Number
Type
Source
25729-41-3
CAS Registry Number
ChemIDplus
Citations
Types
Sources
16429279
PubMed citation
Europe PMC
17781454
PubMed citation
Europe PMC
17791262
PubMed citation
Europe PMC
28017500
PubMed citation
Europe PMC
28755564
PubMed citation
Europe PMC
30487580
PubMed citation
Europe PMC
Last Modified
10 June 2020