citric acid

weak organic acid
ChemicalSubstance type_of_chemical_entity Q159683
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citric acid

Summary

citric acid is a type of chemical entity[1]. It ranks in the top 0.9% of type_of_chemical_entity entities by monthly Wikipedia readership (1,747 views/month, #113 of 12,596).[2]

Key Facts

  • citric acid is credited with the discovery of Carl Wilhelm Scheele[3].
  • citric acid's instance of is recorded as type of chemical entity[4].
  • citric acid's chemical structure is recorded as Zitronensäure - Citric acid.svg[5].
  • citric acid's physically interacts with is recorded as ACO2[6].
  • citric acid's physically interacts with is recorded as CS[7].
  • citric acid's physically interacts with is recorded as Polycystin 2 like 1, transient receptor potential cation channel[8].
  • citric acid's physically interacts with is recorded as Transient receptor potential cation channel, subfamily V, member 4[9].
  • citric acid's GND ID is recorded as 4148057-0[10].
  • citric acid's CAS Registry Number is recorded as 77-92-9[11].
  • citric acid's EC number is recorded as 201-069-1[12].
  • citric acid's canonical SMILES is recorded as C(C(=O)O)C(CC(=O)O)(C(=O)O)O[13].
  • citric acid's InChI is recorded as InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)[14].
  • citric acid's InChIKey is recorded as KRKNYBCHXYNGOX-UHFFFAOYSA-N[15].
  • citric acid's Library of Congress authority ID is recorded as sh85026216[16].
  • citric acid's ATC code is recorded as A09AB04[17].
  • citric acid's chemical formula is recorded as C₆H₈O₇[18].
  • citric acid's subclass of is recorded as fatty alcohol[19].
  • citric acid's subclass of is recorded as fatty acid[20].
  • citric acid's subclass of is recorded as tricarboxylic acid[21].
  • citric acid's part of is recorded as tricarboxylic acid cycle[22].
  • citric acid's part of is recorded as citrate secondary active transmembrane transporter activity[23].
  • citric acid's part of is recorded as citrate synthase activity[24].
  • citric acid's has use is recorded as food additive[25].
  • citric acid's has use is recorded as acidity regulator[26].
  • citric acid's has use is recorded as synergist[27].

Body

Works and Contributions

citric acid is credited with the discovery of Carl Wilhelm Scheele[3].

Why It Matters

citric acid ranks in the top 0.9% of type_of_chemical_entity entities by monthly Wikipedia readership (1,747 views/month, #113 of 12,596).[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[28] It is known by 86 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . Hard-luck Scheele. wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  7. [9] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Global Substance Registration System. Retrieved . wikidata.org.
  10. [12] . Global Substance Registration System. Retrieved . wikidata.org.
  11. [13] . PubChem. Retrieved . wikidata.org.
  12. [14] . PubChem. Retrieved . wikidata.org.
  13. [15] . PubChem. Retrieved . wikidata.org.
  14. [16] . Integrated Authority File. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Gene Ontology release 2019-11-16. wikidata.org.
  21. [23] . Gene Ontology release 2019-11-16. wikidata.org.
  22. [24] . Gene Ontology release 2019-11-16. wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Food Chemistry. wikidata.org.
  25. [27] . Food Chemistry. 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). citric acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/citric-acid
MLA “citric acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/citric-acid.
BibTeX @misc{4ortxyz_citric-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{citric acid}}, year = {2026}, url = {https://4ort.xyz/entity/citric-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): citric acid — https://4ort.xyz/entity/citric-acid (retrieved 2026-05-03)

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