Chemicals and Drugs

Cobalt

A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.

Chemical Identity

Chemical Information

Molecular Formula
Co
Molecular Weight
58.93319 g/mol
CAS Registry No.
7440-48-4
IUPAC Name
cobalt
InChIKey
GUTLYIVDDKVIGB-UHFFFAOYSA-N
SMILES
[Co]
MeSH Unique ID
D003035
Source
PubChem CID 104730

MeSH Record

Classification

Narrower headings

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Cobalt-59
  • Cobalt 59

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. Cobalt. Medical Subject Headings (MeSH). 2026. Unique ID D003035. http://id.nlm.nih.gov/mesh/2026/D003035
  2. Cobalt. In: Wikipedia. https://en.wikipedia.org/wiki/Cobalt
  3. Cobalt. In: Wikidata. https://www.wikidata.org/wiki/Q740
  4. Cobalt. In: PubChem Compound. CID 104730. https://pubchem.ncbi.nlm.nih.gov/compound/104730