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heme O

chemical compound
ChemicalSubstance type_of_chemical_entity Q620211
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heme O

Summary

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

Key Facts

  • heme O's instance of is recorded as type of chemical entity[3].
  • heme O's CAS Registry Number is recorded as 137397-56-9[4].
  • heme O's canonical SMILES is recorded as CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C(CCC=CCCC=CCCC=C(C)C(C)C)O)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2][5].
  • heme O's InChI is recorded as InChI=1S/C49H60N4O5.Fe/c1-9-35-31(5)40-27-45-49(46(54)20-18-16-14-12-10-11-13-15-17-19-30(4)29(2)3)34(8)41(53-45)25-38-32(6)36(21-23-47(55)56)43(51-38)28-44-37(22-24-48(57)58)33(7)39(52-44)26-42(35)50-40;/h9,11,13-14,16,19,25-29,46,54H,1,10,12,15,17-18,20-24H2,2-8H3,(H4,50,51,52,53,55,56,57,58);/q;+2/p-2/b13-11-,16-14-,30-19+,38-25?,39-26?,40-27?,41-25?,42-26?,43-28?,44-28?,45-27?;/t46-;/m0./s1[6].
  • heme O's InChIKey is recorded as MSDQYARVLRSHGB-HQRZMRPPSA-L[7].
  • heme O's chemical formula is recorded as C₄₉H₅₈FeN₄O₅[8].
  • heme O's subclass of is recorded as heme[9].
  • heme O's subclass of is recorded as primary metabolite[10].
  • heme O's part of is recorded as heme O metabolic process[11].
  • heme O's part of is recorded as heme O biosynthetic process[12].
  • heme O's part of is recorded as heme O catabolic process[13].
  • heme O's Commons category is recorded as Haem o[14].
  • heme O's has part is recorded as iron[15].
  • heme O's has part is recorded as carbon[16].
  • heme O's Freebase ID is recorded as /m/02q6g7v[17].
  • heme O's ChemSpider ID is recorded as 4883385[18].
  • heme O's PubChem CID is recorded as 6323367[19].
  • heme O's PubChem CID is recorded as 50932366[20].
  • heme O's KEGG ID is recorded as C15672[21].
  • heme O's ChEBI ID is recorded as 24480[22].
  • heme O's Gmelin number is recorded as 703238[23].
  • heme O's isomeric SMILES is recorded as CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C@HO)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2]C@HO)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.[Fe+2]">[24].
  • heme O's mass is recorded as {'unit': 'Q483261', 'amount': '+838.375658'}[25].
  • heme O's Microsoft Academic ID is recorded as 2780930760[26].
  • heme O's UniChem compound ID is recorded as 52686965[27].

Why It Matters

heme O ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (6 views/month).[2] It has Wikipedia articles in 6 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] ↑ . PubChem. Retrieved . wikidata.org.
  4. [6] ↑ . PubChem. Retrieved . wikidata.org.
  5. [7] ↑ . PubChem. Retrieved . wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . Reactome. reactome.org. Provenance: wikidata.org.
  9. [11] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  10. [12] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  11. [13] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . Q2311683. Retrieved . wikidata.org.
  17. [19] ↑ . PubChem. Retrieved . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . PubChem. Retrieved . wikidata.org.
  23. [25] ↑ . PubChem. Retrieved . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . UniChem. 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). heme O. Retrieved May 3, 2026, from https://4ort.xyz/entity/heme-o
MLA “heme O.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/heme-o.
BibTeX @misc{4ortxyz_heme-o_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{heme O}}, year = {2026}, url = {https://4ort.xyz/entity/heme-o}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): heme O — https://4ort.xyz/entity/heme-o (retrieved 2026-05-03)

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