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(-)-urobilin

yellow pigment present in urine
ChemicalSubstance type_of_chemical_entity Q41353
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(-)-urobilin

Summary

(-)-urobilin is a type of chemical entity[1]. (-)-urobilin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (81 views/month).[2]

Key Facts

  • (-)-urobilin's instance of is recorded as type of chemical entity[3].
  • (-)-urobilin's CAS Registry Number is recorded as 1856-98-0[4].
  • (-)-urobilin's EC number is recorded as 217-456-3[5].
  • (-)-urobilin's canonical SMILES is recorded as CCC1=C(C(=O)NC1CC2=C(C(=C(N2)C=C3C(=C(C(=N3)CC4C(=C(C(=O)N4)CC)C)C)CCC(=O)O)CCC(=O)O)C)C[6].
  • (-)-urobilin's InChI is recorded as InChI=1S/C33H42N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h15,26-27,35H,7-14H2,1-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b28-15-/t26-,27-/m0/s1[7].
  • (-)-urobilin's InChIKey is recorded as KDCCOOGTVSRCHX-UYMYUHGCSA-N[8].
  • (-)-urobilin's chemical formula is recorded as C₃₃H₄₂N₄O₆[9].
  • (-)-urobilin's subclass of is recorded as heterocyclic compound[10].
  • (-)-urobilin's Commons category is recorded as Urobilin[11].
  • (-)-urobilin's MeSH descriptor ID is recorded as D014557[12].
  • (-)-urobilin's ChEMBL ID is recorded as CHEMBL3121626[13].
  • (-)-urobilin's Freebase ID is recorded as /m/0b811q[14].
  • (-)-urobilin's UNII is recorded as G0OTH73Y0M[15].
  • (-)-urobilin's ChemSpider ID is recorded as 4938471[16].
  • (-)-urobilin's PubChem CID is recorded as 6433298[17].
  • (-)-urobilin's MeSH tree code is recorded as D03.383.129.578.840.249.727[18].
  • (-)-urobilin's MeSH tree code is recorded as D03.633.400.909.249.727[19].
  • (-)-urobilin's MeSH tree code is recorded as D04.345.783.249.727[20].
  • (-)-urobilin's MeSH tree code is recorded as D23.767.193.727[21].
  • (-)-urobilin's ChEBI ID is recorded as 36378[22].
  • (-)-urobilin's Gran Enciclopèdia Catalana ID is recorded as 0149493[23].
  • (-)-urobilin's Encyclopædia Britannica Online ID is recorded as science/urochrome[24].
  • (-)-urobilin's Encyclopædia Britannica Online ID is recorded as science/urobilin[25].
  • (-)-urobilin's Reaxys registry number is recorded as 3027217[26].
  • (-)-urobilin's isomeric SMILES is recorded as CCC1=C(C(=O)N[C@H]1CC2=C(C(=C(N2)/C=C\3/C(=C(C(=N3)C[C@H]4C(=C(C(=O)N4)CC)C)C)CCC(=O)O)CCC(=O)O)C)C[27].

Why It Matters

(-)-urobilin ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (81 views/month).[2] (-)-urobilin has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[28] (-)-urobilin is known by 3 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] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  3. [5] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  4. [6] ↑ . PubChem. Retrieved . wikidata.org.
  5. [7] ↑ . PubChem. Retrieved . wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . wikidata.org.
  7. [9] ↑ . PubChem. Retrieved . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . ChEMBL. Retrieved . wikidata.org.
  12. [14] ↑ . Freebase Data Dumps. wikidata.org.
  13. [15] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  14. [16] ↑ . Q2311683. Retrieved . wikidata.org.
  15. [17] ↑ . PubChem. Retrieved . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . PubChem. Retrieved . 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). (-)-urobilin. Retrieved May 3, 2026, from https://4ort.xyz/entity/urobilin
MLA “(-)-urobilin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/urobilin.
BibTeX @misc{4ortxyz_urobilin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(-)-urobilin}}, year = {2026}, url = {https://4ort.xyz/entity/urobilin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (-)-urobilin — https://4ort.xyz/entity/urobilin (retrieved 2026-05-03)

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