purpurin

chemical compound
ChemicalSubstance type_of_chemical_entity Q116472
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purpurin

Summary

purpurin is a type of chemical entity[1]. purpurin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2]

Key Facts

  • purpurin's image is recorded as Purpurin powder crop.jpg[3].
  • purpurin's instance of is recorded as type of chemical entity[4].
  • purpurin's chemical structure is recorded as 1,2,4-trihydroxyanthracene-9,10-dione 200.svg[5].
  • purpurin's CAS Registry Number is recorded as 81-54-9[6].
  • purpurin's EC number is recorded as 201-359-8[7].
  • purpurin's canonical SMILES is recorded as C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O[8].
  • purpurin's InChI is recorded as InChI=1S/C14H8O5/c15-8-5-9(16)14(19)11-10(8)12(17)6-3-1-2-4-7(6)13(11)18/h1-5,15-16,19H[9].
  • purpurin's InChIKey is recorded as BBNQQADTFFCFGB-UHFFFAOYSA-N[10].
  • purpurin's chemical formula is recorded as C₁₄H₈O₅[11].
  • purpurin's subclass of is recorded as trihydroxyanthraquinone[12].
  • purpurin's has use is recorded as dye[13].
  • purpurin's Commons category is recorded as Purpurin[14].
  • purpurin's MeSH descriptor ID is recorded as C511975[15].
  • purpurin's ChEMBL ID is recorded as CHEMBL294264[16].
  • purpurin's Freebase ID is recorded as /m/071x9c[17].
  • purpurin's UNII is recorded as L1GT81LS6N[18].
  • purpurin's ChemSpider ID is recorded as 6431[19].
  • purpurin's PubChem CID is recorded as 6683[20].
  • purpurin's KEGG ID is recorded as C10395[21].
  • purpurin's ChEBI ID is recorded as 8645[22].
  • purpurin's found in taxon is recorded as Cinchona pubescens[23].
  • purpurin's found in taxon is recorded as Cinchona calisaya[24].
  • purpurin's found in taxon is recorded as Rubia wallichiana[25].
  • purpurin's found in taxon is recorded as Senna obtusifolia[26].
  • purpurin's found in taxon is recorded as Rubia tinctorum[27].

Why It Matters

purpurin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2] purpurin has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28] purpurin is known by 16 alternative names across languages and contexts.[29]

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] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  5. [7] . Global Substance Registration System. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Medical Subject Headings. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Medical Subject Headings. Retrieved . wikidata.org.
  14. [16] . ChEMBL. Retrieved . wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . Global Substance Registration System. Retrieved . wikidata.org.
  17. [19] . Q2311683. Retrieved . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . ChEBI. Retrieved . wikidata.org.
  20. [22] . ChEBI. Retrieved . wikidata.org.
  21. [23] . Anthraquinones as phytoalexins in cell and tissue cultures of Cinchona spec. wikidata.org.
  22. [24] . Anthraquinones as phytoalexins in cell and tissue cultures of Cinchona spec. wikidata.org.
  23. [25] . Cytotoxic anthraquinones from the stems of Rubia wallichiana Decne. wikidata.org.
  24. [26] . Emodin isolated from Cassia obtusifolia (Leguminosae) seed shows larvicidal activity against three mosquito species. wikidata.org.
  25. [27] . Anthraquinone production by transformed root cultures of Rubia tinctorum: Influence of phytohormones and sucrose concentration. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). purpurin. Retrieved May 3, 2026, from https://4ort.xyz/entity/purpurin
MLA “purpurin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/purpurin.
BibTeX @misc{4ortxyz_purpurin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{purpurin}}, year = {2026}, url = {https://4ort.xyz/entity/purpurin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): purpurin — https://4ort.xyz/entity/purpurin (retrieved 2026-05-03)

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