Chemicals and Drugs

Neptunium

A radioactive element of the actinide metals family. It has the atomic symbol Np, and atomic number 93.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A radioactive element of the actinide metals family. It has the atomic symbol Np, and atomic number 93.

Chemical Identity

Chemical Information

Molecular Formula
Np
Molecular Weight
237.048172 g/mol
CAS Registry No.
7439-99-8
IUPAC Name
neptunium
InChIKey
LFNLGNPSGWYGGD-UHFFFAOYSA-N
SMILES
[Np]
MeSH Unique ID
D009405
Source
PubChem CID 23933

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.100w.550w
  2. D01w.268w.556w.600w
  3. D01w.496w.749.305w.100w.550w
  4. D01w.552w.020w.621w
  5. D01w.552w.544w.600w

AMA Style

References

  1. National Library of Medicine. Neptunium. Medical Subject Headings (MeSH). 2026. Unique ID D009405. http://id.nlm.nih.gov/mesh/2026/D009405
  2. Neptunium. In: Wikipedia. https://en.wikipedia.org/wiki/Neptunium
  3. Neptunium. In: Wikidata. https://www.wikidata.org/wiki/Q1105
  4. Neptunium. In: PubChem Compound. CID 23933. https://pubchem.ncbi.nlm.nih.gov/compound/23933