Chemicals and Drugs

Chlorpyrifos

An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.

Chemical Identity

Chemical Information

Molecular Formula
C9H11Cl3NO3PS
Molecular Weight
350.6 g/mol
CAS Registry No.
2921-88-2
IUPAC Name
diethoxy-sulfanylidene-[(3,5,6-trichloro-2-pyridinyl)oxy]-lambda5-phosphane
InChIKey
SBPBAQFWLVIOKP-UHFFFAOYSA-N
SMILES
CCOP(=S)(OCC)OC1=NC(=C(C=C1Cl)Cl)Cl
MeSH Unique ID
D004390
Source
PubChem CID 2730

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

2 entry terms
  • Dursban
  • Lorsban

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

for use to kill or control insects, use no qualifiers on the insecticide or the insect; appropriate qualifiers may be used when other aspects of the insecticide are discussed such as the effect on a physiologic process or behavioral aspect of the insect; for poisoning, coordinate with ORGANOPHOSPHATE POISONING

MeSH Record

History Note

96; was DURSBAN 1971-95 (Prov 1971-74); CHLORPYRIFOS was see DURSBAN 1971-95

MeSH Record

Previous Indexing

  • Insecticides (1966-1970)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Chlorpyrifos. Medical Subject Headings (MeSH). 2026. Unique ID D004390. http://id.nlm.nih.gov/mesh/2026/D004390
  2. Chlorpyrifos. In: Wikipedia. https://en.wikipedia.org/wiki/Chlorpyrifos
  3. Chlorpyrifos. In: Wikidata. https://www.wikidata.org/wiki/Q414915
  4. Chlorpyrifos. In: PubChem Compound. CID 2730. https://pubchem.ncbi.nlm.nih.gov/compound/2730