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Pyrethrin II

chemical compound
ChemicalSubstance type_of_chemical_entity Q7263466
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Summary

Pyrethrin II is a type of chemical entity[1]. It ranks in the top 6% of type of chemical entity entities by monthly Wikipedia readership (42 views/month).[2]

Key Facts

  • Canonical SMILES: CC1=C(C(=O)CC1OC(=O)C2C(C2(C)C)C=C(C)C(=O)OC)CC=CC=C[3]
  • Chemical formula: C₂₂H₂₈O₅[4]
  • Subclass of: pyrethrin[5], [2-Methyl-4-oxo-3-[(2Z)-penta-2,4-dienyl]cyclopent-2-en-1-yl] (1R,3R)-3-[(E)-3-methoxy-2-methyl-3-oxoprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylate[6]
  • Found in taxon: Chrysanthemum coccineum[7], Tanacetum partheniifolium[8], Tanacetum parthenium[9]
  • Isomeric SMILES: C=C/C=C\CC1=C(C)C@@HCC1=OC@@HCC1=O">[10]
  • Mass: 372.193674[11]
  • Stereoisomer of: [(1S)-2-methyl-4-oxo-3-[(2E)-penta-2,4-dienyl]cyclopent-2-en-1-yl] (1R,3R)-3-[(Z)-3-methoxy-2-methyl-3-oxoprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylate[12], pyrethrine II[13]

Why It Matters

Pyrethrin II is known by 4 alternative names across languages and contexts.[14]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Pyrethrin II. Retrieved October 18, 2026, from https://4ort.xyz/entity/pyrethrin-ii
MLA “Pyrethrin II.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/pyrethrin-ii.
BibTeX @misc{4ortxyz_pyrethrin-ii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Pyrethrin II}}, year = {2026}, url = {https://4ort.xyz/entity/pyrethrin-ii}, note = {Accessed: 2026-10-18}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Pyrethrin II — https://4ort.xyz/entity/pyrethrin-ii (retrieved 2026-10-18)

Canonical URL: https://4ort.xyz/entity/pyrethrin-ii · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 35200
    "/* wbsetclaimvalue:1| */ Zvg number: 35200, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 27d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 35200
    "/* wbcreateclaim-create:1| */ Zvg number: 035200, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
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