Chemicals and Drugs

Osmium

A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os.

Chemical Identity

Chemical Information

Molecular Formula
Os
Molecular Weight
190.2 g/mol
CAS Registry No.
7440-04-2
IUPAC Name
osmium
InChIKey
SYQBFIAQOQZEGI-UHFFFAOYSA-N
SMILES
[Os]
MeSH Unique ID
D009992
Source
PubChem CID 23937

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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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

  1. D01w.268w.556w.660w
  2. D01w.268w.956w.702w
  3. D01w.552w.544w.660w

AMA Style

References

  1. National Library of Medicine. Osmium. Medical Subject Headings (MeSH). 2026. Unique ID D009992. http://id.nlm.nih.gov/mesh/2026/D009992
  2. Osmium. In: Wikipedia. https://en.wikipedia.org/wiki/Osmium
  3. Osmium. In: Wikidata. https://www.wikidata.org/wiki/Q751
  4. Osmium. In: PubChem Compound. CID 23937. https://pubchem.ncbi.nlm.nih.gov/compound/23937