porphin

chemical compound
ChemicalSubstance type_of_chemical_entity Q421246
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porphin

Summary

porphin is a type of chemical entity[1]. porphin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (53 views/month).[2]

Key Facts

  • porphin's instance of is recorded as type of chemical entity[3].
  • porphin's chemical structure is recorded as Porphyrin.svg[4].
  • porphin's CAS Registry Number is recorded as 101-60-0[5].
  • porphin's EC number is recorded as 202-958-7[6].
  • porphin's canonical SMILES is recorded as c1c/2[nH]c(c1)/cc/3\nc(/cc/4[nH]/c(c\c5n/c(c2)/C=C5)/cc4)C=C3[7].
  • porphin's InChI is recorded as InChI=1S/C20H14N4/c1-2-14-10-16-5-6-18(23-16)12-20-8-7-19(24-20)11-17-4-3-15(22-17)9-13(1)21-14/h1-12,21-22H[8].
  • porphin's InChIKey is recorded as JZRYQZJSTWVBBD-UHFFFAOYSA-N[9].
  • porphin's InChIKey is recorded as RKCAIXNGYQCCAL-CEVVSZFKSA-N[10].
  • porphin's chemical formula is recorded as C₂₀H₁₄N₄[11].
  • porphin's subclass of is recorded as cyclic tetrapyrrole[12].
  • porphin's Commons category is recorded as Porphine[13].
  • porphin's BNCF Thesaurus ID is recorded as 52521[14].
  • porphin's Freebase ID is recorded as /m/09x325[15].
  • porphin's UNII is recorded as 604BGD9J5B[16].
  • porphin's ChemSpider ID is recorded as 10447586[17].
  • porphin's PubChem CID is recorded as 66868[18].
  • porphin's KEGG ID is recorded as C05113[19].
  • porphin's ChEBI ID is recorded as 8337[20].
  • porphin's found in taxon is recorded as Taxus wallichiana[21].
  • porphin's Gran Enciclopèdia Catalana ID is recorded as 0133620[22].
  • porphin's Gmelin number is recorded as 205920[23].
  • porphin's Reaxys registry number is recorded as 1222991[24].
  • porphin's Human Metabolome Database ID is recorded as HMDB0000839[25].
  • porphin's KNApSAcK ID is recorded as C00058902[26].
  • porphin's mass is recorded as {'unit': 'Q483261', 'amount': '+310.121846448'}[27].

Why It Matters

porphin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (53 views/month).[2] porphin has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[28]

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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . PubChem. wikidata.org.
  7. [9] . PubChem. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . PubChem. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Nuovo soggettario. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . ChEBI release 2021-03-01. wikidata.org.
  19. [21] . Comparative metabolomics reveals the metabolic variations between two endangered Taxus species (T. fuana and T. yunnanensis) in the Himalayas. wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . 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.

📑 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). porphin. Retrieved May 3, 2026, from https://4ort.xyz/entity/porphin
MLA “porphin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/porphin.
BibTeX @misc{4ortxyz_porphin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{porphin}}, year = {2026}, url = {https://4ort.xyz/entity/porphin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): porphin — https://4ort.xyz/entity/porphin (retrieved 2026-05-03)

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