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4-hydroxyphenylacetic acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q4637160
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4-hydroxyphenylacetic acid

Summary

4-hydroxyphenylacetic acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (18 views/month).[2]

Key Facts

  • 4-hydroxyphenylacetic acid's instance of is recorded as type of chemical entity[3].
  • 4-hydroxyphenylacetic acid's chemical structure is recorded as 4-Hydroxyphenylacetic acid.svg[4].
  • 4-hydroxyphenylacetic acid's CAS Registry Number is recorded as 156-38-7[5].
  • 4-hydroxyphenylacetic acid's EC number is recorded as 205-851-3[6].
  • 4-hydroxyphenylacetic acid's canonical SMILES is recorded as C1=CC(=CC=C1CC(=O)O)O[7].
  • 4-hydroxyphenylacetic acid's InChI is recorded as InChI=1S/C8H8O3/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4,9H,5H2,(H,10,11)[8].
  • 4-hydroxyphenylacetic acid's InChIKey is recorded as XQXPVVBIMDBYFF-UHFFFAOYSA-N[9].
  • 4-hydroxyphenylacetic acid's chemical formula is recorded as C₈H₈O₃[10].
  • 4-hydroxyphenylacetic acid's subclass of is recorded as chemical compound[11].
  • 4-hydroxyphenylacetic acid's ChEMBL ID is recorded as CHEMBL1772[12].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 1AI6[13].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 3PCG[14].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 2YAJ[15].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 5AIP[16].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 2JBT[17].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 2YYJ[18].
  • 4-hydroxyphenylacetic acid's PDB structure ID is recorded as 2YYM[19].
  • 4-hydroxyphenylacetic acid's Freebase ID is recorded as /m/0fqt0lv[20].
  • 4-hydroxyphenylacetic acid's UNII is recorded as 3J9SHG0RCN[21].
  • 4-hydroxyphenylacetic acid's ChemSpider ID is recorded as 124[22].
  • 4-hydroxyphenylacetic acid's PubChem CID is recorded as 127[23].
  • 4-hydroxyphenylacetic acid's KEGG ID is recorded as C00642[24].
  • 4-hydroxyphenylacetic acid's ChEBI ID is recorded as 18101[25].
  • 4-hydroxyphenylacetic acid's found in taxon is recorded as Guanomyces polythrix[26].
  • 4-hydroxyphenylacetic acid's found in taxon is recorded as Q19796483[27].

Why It Matters

4-hydroxyphenylacetic acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (18 views/month).[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[28] It is known by 28 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] ↑ . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] ↑ . 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] ↑ . ChEMBL. Retrieved . wikidata.org.
  11. [13] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  12. [14] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  13. [15] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  14. [16] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  15. [17] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  16. [18] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  17. [19] ↑ . Protein Data Bank. Retrieved . wikidata.org.
  18. [20] ↑ . Freebase Data Dumps. wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . Q2311683. Retrieved . wikidata.org.
  21. [23] ↑ . PubChem. Retrieved . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . ChEBI. Retrieved . wikidata.org.
  24. [26] ↑ . Phytotoxic naphthopyranone derivatives from the coprophilous fungus Guanomyces polythrix.. wikidata.org.
  25. [27] ↑ . Polyphenolic Compounds from Flowers of Hibiscus. 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). 4-hydroxyphenylacetic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/4-hydroxyphenylacetic-acid
MLA “4-hydroxyphenylacetic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/4-hydroxyphenylacetic-acid.
BibTeX @misc{4ortxyz_4-hydroxyphenylacetic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4-hydroxyphenylacetic acid}}, year = {2026}, url = {https://4ort.xyz/entity/4-hydroxyphenylacetic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 4-hydroxyphenylacetic acid — https://4ort.xyz/entity/4-hydroxyphenylacetic-acid (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/4-hydroxyphenylacetic-acid · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · KaleemBot bot · 2026-05-01 view diff on Wikidata ↗
    Subclass of → chemical compound
    Found in taxon → Guanomyces polythrix, Q19796483, Lupinus angustifolius +52
    Mass → {'unit': 'Q483261', 'amount': '+152.047'}
    Instance of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:4-ہائیڈروکسی فینائل ایسیٹک ایسڈ]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.