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3,4-dihydroxybenzoic acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q418599
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3,4-dihydroxybenzoic acid

Summary

3,4-dihydroxybenzoic acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (273 views/month).[2]

Key Facts

  • 3,4-dihydroxybenzoic acid's instance of is recorded as type of chemical entity[3].
  • 3,4-dihydroxybenzoic acid's physically interacts with is recorded as taste receptor type 2[4].
  • 3,4-dihydroxybenzoic acid's canonical SMILES is recorded as C1=CC(=C(C=C1C(=O)O)O)O[5].
  • 3,4-dihydroxybenzoic acid's canonical SMILES is recorded as c1cc(c(cc1C(=O)O)O)O[6].
  • 3,4-dihydroxybenzoic acid's chemical formula is recorded as C₇H₆O₄[7].
  • 3,4-dihydroxybenzoic acid is a type of dihydroxybenzoic acid[8].
  • 3,4-dihydroxybenzoic acid's Commons category is recorded as Protocatechuic acid[9].
  • 3,4-dihydroxybenzoic acid comprises oxygen[10].
  • 3,4-dihydroxybenzoic acid comprises carbon[11].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Triticum durum[12].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Ginkgo biloba[13].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Herniaria[14].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Urospermum picroides[15].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Lycopus europaeus[16].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Q19796483[17].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Caltha palustris[18].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Filipendula ulmaria[19].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Crataegus monogyna[20].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Crataegus oxyacantha L. (1753)[21].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Crataegus rhipidophylla[22].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Picea koraiensis[23].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Equisetum arvense[24].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Solidago virgaurea[25].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Solidago canadensis[26].
  • 3,4-dihydroxybenzoic acid's found in taxon is recorded as Solidago gigantea[27].

Why It Matters

3,4-dihydroxybenzoic acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (273 views/month).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[28] It is known by 21 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] ↑ . Human Bitter Taste Receptors Are Activated by Different Classes of Polyphenols. wikidata.org.
  3. [5] ↑ . PubChem. Retrieved . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . PubChem. Retrieved . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . Antioxidant activity of durum wheat bran. wikidata.org.
  11. [13] ↑ . Preparation and Definition of Ginkgo Biloba Extract. wikidata.org.
  12. [14] ↑ . Polyphenolic compounds ofPersica vulgaris. wikidata.org.
  13. [15] ↑ . Chemical Constituents of Urospermum picroides. wikidata.org.
  14. [16] ↑ . Multiple gradient development TLC in analysis of complex phenolic acids fromLycopus europeaus L.. wikidata.org.
  15. [17] ↑ . Polyphenolic Compounds from Flowers of Hibiscus. wikidata.org.
  16. [18] ↑ . Polyphenolic Compounds from Flowers of Hibiscus. wikidata.org.
  17. [19] ↑ . Phenolic Extracts from Meadowsweet and Hawthorn Flowers Have Antioxidative Properties. wikidata.org.
  18. [20] ↑ . Phenolic Extracts from Meadowsweet and Hawthorn Flowers Have Antioxidative Properties. wikidata.org.
  19. [21] ↑ . Phenolic Extracts from Meadowsweet and Hawthorn Flowers Have Antioxidative Properties. wikidata.org.
  20. [22] ↑ . Phenolic Extracts from Meadowsweet and Hawthorn Flowers Have Antioxidative Properties. wikidata.org.
  21. [23] ↑ . Phenolic acids and their glycosides from the phloem of Picea jezoensis and P. koraiensis. wikidata.org.
  22. [24] ↑ . Phenolic acids of Equisetum arvense. wikidata.org.
  23. [25] ↑ . Phenolic Compounds in Four Astragalus Species. wikidata.org.
  24. [26] ↑ . Phenolic Compounds in Four Astragalus Species. wikidata.org.
  25. [27] ↑ . Phenolic Compounds in Four Astragalus Species. 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). 3,4-dihydroxybenzoic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/3-4-dihydroxybenzoic-acid
MLA “3,4-dihydroxybenzoic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/3-4-dihydroxybenzoic-acid.
BibTeX @misc{4ortxyz_3-4-dihydroxybenzoic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{3,4-dihydroxybenzoic acid}}, year = {2026}, url = {https://4ort.xyz/entity/3-4-dihydroxybenzoic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 3,4-dihydroxybenzoic acid — https://4ort.xyz/entity/3-4-dihydroxybenzoic-acid (retrieved 2026-05-03)

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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. 28d ago · Adamrb12345 · 2026-08-05 view diff on Wikidata ↗
    Found in taxon → Triticum durum, Ginkgo biloba, Herniaria +561
    "/* wbcreateclaim-create:1| */ [[Property:P703]]: [[Q3337266]], #quickstatements; #temporary_batch_1785942942558"
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