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Technetium MeSH Descriptor Data 2022


MeSH Heading
Technetium
Tree Number(s)
D01.268.271.870
D01.268.556.843
D01.268.956.875
D01.496.749.305.870
D01.552.544.843
Unique ID
D013667
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013667
Annotation
note entry term: many specific Technetium Tc 99m terms are available
Scope Note
The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.
Entry Term(s)
Technetium 99m
Registry Number
7440-26-8
Related Numbers
6EW75241VU
CAS Type 1 Name
Technetium
See Also
Organotechnetium Compounds
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2017/04/25
Technetium Preferred
Technetium 99m Narrower
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