Chemicals and Drugs

Cesium

A member of the alkali metals. It has an atomic symbol Cs, atomic number 55, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A member of the alkali metals. It has an atomic symbol Cs, atomic number 55, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.

Chemical Identity

Chemical Information

Molecular Formula
Cs
Molecular Weight
132.9054520 g/mol
CAS Registry No.
7440-46-2
IUPAC Name
cesium
InChIKey
TVFDJXOCXUVLDH-UHFFFAOYSA-N
SMILES
[Cs]
MeSH Unique ID
D002586
Source
PubChem CID 5354618

MeSH Record

Classification

Narrower headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

5 entry terms
  • Caesium
  • Caesium-133
  • Cesium-133
  • Caesium 133
  • Cesium 133

MeSH Record

Aspects Covered

24 allowable subheadings

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

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Cesium. Medical Subject Headings (MeSH). 2026. Unique ID D002586. http://id.nlm.nih.gov/mesh/2026/D002586
  2. Cesium. In: Wikipedia. https://en.wikipedia.org/wiki/Caesium
  3. Cesium. In: Wikidata. https://www.wikidata.org/wiki/Q1108
  4. Cesium. In: PubChem Compound. CID 5354618. https://pubchem.ncbi.nlm.nih.gov/compound/5354618