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5-hydroxyindole-3-acetic acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q238532
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5-hydroxyindole-3-acetic acid

Summary

5-hydroxyindole-3-acetic acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (51 views/month).[2]

Key Facts

  • 5-hydroxyindole-3-acetic acid's instance of is recorded as type of chemical entity[3].
  • 5-hydroxyindole-3-acetic acid's chemical structure is recorded as 5-Hydroxyindolessigsäure (5-HIAA).svg[4].
  • 5-hydroxyindole-3-acetic acid's CAS Registry Number is recorded as 54-16-0[5].
  • 5-hydroxyindole-3-acetic acid's EC number is recorded as 200-195-4[6].
  • 5-hydroxyindole-3-acetic acid's canonical SMILES is recorded as C1=CC2=C(C=C1O)C(=CN2)CC(=O)O[7].
  • 5-hydroxyindole-3-acetic acid's InChI is recorded as InChI=1S/C10H9NO3/c12-7-1-2-9-8(4-7)6(5-11-9)3-10(13)14/h1-2,4-5,11-12H,3H2,(H,13,14)[8].
  • 5-hydroxyindole-3-acetic acid's InChIKey is recorded as DUUGKQCEGZLZNO-UHFFFAOYSA-N[9].
  • 5-hydroxyindole-3-acetic acid's chemical formula is recorded as C₁₀H₉NO₃[10].
  • 5-hydroxyindole-3-acetic acid's subclass of is recorded as indole alkaloid[11].
  • 5-hydroxyindole-3-acetic acid's MeSH descriptor ID is recorded as D006897[12].
  • 5-hydroxyindole-3-acetic acid's ChEMBL ID is recorded as CHEMBL395915[13].
  • 5-hydroxyindole-3-acetic acid's PDB structure ID is recorded as 3ADT[14].
  • 5-hydroxyindole-3-acetic acid's Freebase ID is recorded as /m/0bq9d9[15].
  • 5-hydroxyindole-3-acetic acid's UNII is recorded as YHC763JY1P[16].
  • 5-hydroxyindole-3-acetic acid's ChemSpider ID is recorded as 1760[17].
  • 5-hydroxyindole-3-acetic acid's PubChem CID is recorded as 1826[18].
  • 5-hydroxyindole-3-acetic acid's KEGG ID is recorded as C05635[19].
  • 5-hydroxyindole-3-acetic acid's MeSH tree code is recorded as D03.066.288.478[20].
  • 5-hydroxyindole-3-acetic acid's MeSH tree code is recorded as D03.633.100.473.404.478[21].
  • 5-hydroxyindole-3-acetic acid's ChEBI ID is recorded as 27823[22].
  • 5-hydroxyindole-3-acetic acid's found in taxon is recorded as Homo sapiens[23].
  • 5-hydroxyindole-3-acetic acid's found in taxon is recorded as Griffonia simplicifolia[24].
  • 5-hydroxyindole-3-acetic acid's found in taxon is recorded as Caenorhabditis elegans[25].
  • 5-hydroxyindole-3-acetic acid's found in taxon is recorded as Phaseolus vulgaris[26].
  • 5-hydroxyindole-3-acetic acid's Reaxys registry number is recorded as 168797[27].

Why It Matters

5-hydroxyindole-3-acetic acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (51 views/month).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[28] It is known by 25 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] ↑ . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] ↑ . PubChem. Retrieved . wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . wikidata.org.
  7. [9] ↑ . PubChem. Retrieved . wikidata.org.
  8. [10] ↑ . PubChem. Retrieved . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . ChEMBL. Retrieved . wikidata.org.
  12. [14] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  13. [15] ↑ . Freebase Data Dumps. wikidata.org.
  14. [16] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  15. [17] ↑ . Q2311683. Retrieved . wikidata.org.
  16. [18] ↑ . PubChem. Retrieved . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . ChEMBL. Retrieved . wikidata.org.
  21. [23] ↑ . Recon 2.2: from reconstruction to model of human metabolism. wikidata.org.
  22. [24] ↑ . 5-hydroxy-l-tryptophan, 5-hydroxytryptamine and l-tryptophan-5-hydroxylase in griffonia simplicifolia. wikidata.org.
  23. [25] ↑ . Modeling Meets Metabolomics-The WormJam Consensus Model as Basis for Metabolic Studies in the Model Organism. wikidata.org.
  24. [26] ↑ . Metabolomics and Transcriptomics Identify Multiple Downstream Targets of Paraburkholderia phymatum σ54 During Symbiosis with Phaseolus vulgaris. wikidata.org.
  25. [27] ↑ . ChEBI. 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). 5-hydroxyindole-3-acetic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/5-hydroxyindole-3-acetic-acid
MLA “5-hydroxyindole-3-acetic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/5-hydroxyindole-3-acetic-acid.
BibTeX @misc{4ortxyz_5-hydroxyindole-3-acetic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{5-hydroxyindole-3-acetic acid}}, year = {2026}, url = {https://4ort.xyz/entity/5-hydroxyindole-3-acetic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 5-hydroxyindole-3-acetic acid — https://4ort.xyz/entity/5-hydroxyindole-3-acetic-acid (retrieved 2026-05-03)

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