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Protactinium MeSH Descriptor Data 2025


MeSH Heading
Protactinium
Tree Number(s)
D01.268.271.100.725
D01.268.556.750
D01.496.749.305.100.725
D01.552.020.778
D01.552.544.750
Unique ID
D011478
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011478
Scope Note
A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission.
Related Numbers
7440-13-3
CAS Type 1 Name
Protactinium
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2017/04/25
Protactinium Preferred
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