Chemicals and Drugs

Radium

A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra and atomic number 88. Radium is the product of the disintegration of URANIUM and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.

Chemical Identity

Chemical Information

Molecular Formula
Ra
Molecular Weight
226.02541 g/mol
CAS Registry No.
7440-14-4
IUPAC Name
radium
InChIKey
HCWPIIXVSYCSAN-UHFFFAOYSA-N
SMILES
[Ra]
MeSH Unique ID
D011883
Source
PubChem CID 6328144

MeSH Record

Classification

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

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 Record

Indexing Annotation

/ther use: consider CURIETHERAPY see BRACHYTHERAPY/

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Radium. Medical Subject Headings (MeSH). 2026. Unique ID D011883. http://id.nlm.nih.gov/mesh/2026/D011883
  2. Radium. In: Wikipedia. https://en.wikipedia.org/wiki/Radium
  3. Radium. In: Wikidata. https://www.wikidata.org/wiki/Q1128
  4. Radium. In: PubChem Compound. CID 6328144. https://pubchem.ncbi.nlm.nih.gov/compound/6328144