Chemicals and Drugs

Promethium

A radioactive element of the rare earth family of metals. It has the atomic symbol Pm, and atomic number 61. It has been used in the construction of atomic batteries, in the preparation of self-luminous compounds, and as a beta-particle source for thickness gauges.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A radioactive element of the rare earth family of metals. It has the atomic symbol Pm, and atomic number 61. It has been used in the construction of atomic batteries, in the preparation of self-luminous compounds, and as a beta-particle source for thickness gauges.

Chemical Identity

Chemical Information

Molecular Formula
Pm
Molecular Weight
144.91276 g/mol
CAS Registry No.
7440-12-2
IUPAC Name
promethium
InChIKey
VQMWBBYLQSCNPO-UHFFFAOYSA-N
SMILES
[Pm]
MeSH Unique ID
D011399
Source
PubChem CID 23944

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, blood, cerebrospinal fluid, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Hierarchy

Tree Numbers

  1. D01w.268w.271w.720w
  2. D01w.268w.558w.362w.875w
  3. D01w.496w.749.305w.720w
  4. D01w.552w.550w.399w.875w

AMA Style

References

  1. National Library of Medicine. Promethium. Medical Subject Headings (MeSH). 2026. Unique ID D011399. http://id.nlm.nih.gov/mesh/2026/D011399
  2. Promethium. In: Wikipedia. https://en.wikipedia.org/wiki/Promethium
  3. Promethium. In: Wikidata. https://www.wikidata.org/wiki/Q1809
  4. Promethium. In: PubChem Compound. CID 23944. https://pubchem.ncbi.nlm.nih.gov/compound/23944