Pyrethrin II

chemical compound
ChemicalSubstance type_of_chemical_entity Q7263466
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Pyrethrin II

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 (10 views/month).[2]

Key Facts

  • Pyrethrin II's instance of is recorded as type of chemical entity[3].
  • Pyrethrin II's chemical structure is recorded as Pyrethrine II Structural Formulae.V.1.svg[4].
  • Pyrethrin II's CAS Registry Number is recorded as 121-29-9[5].
  • Pyrethrin II's EC number is recorded as 204-462-6[6].
  • Pyrethrin II's canonical SMILES is recorded as CC1=C(C(=O)CC1OC(=O)C2C(C2(C)C)C=C(C)C(=O)OC)CC=CC=C[7].
  • Pyrethrin II's InChI is recorded as InChI=1S/C22H28O5/c1-7-8-9-10-15-14(3)18(12-17(15)23)27-21(25)19-16(22(19,4)5)11-13(2)20(24)26-6/h7-9,11,16,18-19H,1,10,12H2,2-6H3/b9-8-,13-11+/t16-,18+,19+/m1/s1[8].
  • Pyrethrin II's InChIKey is recorded as VJFUPGQZSXIULQ-XIGJTORUSA-N[9].
  • Pyrethrin II's chemical formula is recorded as C₂₂H₂₈O₅[10].
  • Pyrethrin II's subclass of is recorded as pyrethrin[11].
  • Pyrethrin II's subclass of is recorded as [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[12].
  • Pyrethrin II's Freebase ID is recorded as /m/06_wyxf[13].
  • Pyrethrin II's UNII is recorded as 5N9245585U[14].
  • Pyrethrin II's ChemSpider ID is recorded as 4478783[15].
  • Pyrethrin II's PubChem CID is recorded as 5281555[16].
  • Pyrethrin II's KEGG ID is recorded as C09894[17].
  • Pyrethrin II's ZVG number is recorded as 35200[18].
  • Pyrethrin II's ChEBI ID is recorded as 27474[19].
  • Pyrethrin II's found in taxon is recorded as Chrysanthemum coccineum[20].
  • Pyrethrin II's found in taxon is recorded as Tanacetum partheniifolium[21].
  • Pyrethrin II's found in taxon is recorded as Tanacetum parthenium[22].
  • Pyrethrin II's isomeric SMILES is recorded as C=C/C=C\CC1=C(C)C@@HCC1=OC@@HCC1=O">[23].
  • Pyrethrin II's HSDB ID is recorded as 6303[24].
  • Pyrethrin II's LIPID MAPS ID is recorded as LMPR0102060022[25].
  • Pyrethrin II's mass is recorded as {'unit': 'Q483261', 'amount': '+372.193674'}[26].
  • Pyrethrin II's ECHA Substance Infocard ID is recorded as 100.004.057[27].

Why It Matters

Pyrethrin II ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (10 views/month).[2]

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] . ECHA Substance Infocard database. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . ChEBI release 2020-09-01. wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Q2311683. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . ChEBI release 2019-10-02. wikidata.org.
  18. [20] . Possible Confusion of Pyrethrins with Thiophenes in Tagetes species.. wikidata.org.
  19. [21] . Pyrethrin — A new guaianolide fromPyrethrum parthenifolium. II. wikidata.org.
  20. [22] . Pyrethrin — A new guaianolide fromPyrethrum parthenifolium. II. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Hazardous Substances Data Bank. Retrieved . wikidata.org.
  23. [25] . LIPID MAPS. Retrieved . lipidmaps.org. Provenance: wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . ECHA Substance Infocard database. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.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 May 3, 2026, from https://4ort.xyz/entity/pyrethrin-ii
MLA “Pyrethrin II.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 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: 2026-05-03}}
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 2026-05-03)

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