ochratoxin A

chemical compound
ChemicalSubstance type_of_chemical_entity Q1885038
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ochratoxin A

Summary

ochratoxin An is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (61 views/month).[2]

Key Facts

  • ochratoxin A's instance of is recorded as type of chemical entity[3].
  • ochratoxin A's canonical SMILES is recorded as CC1CC2=C(C=C(C(=C2C(=O)O1)O)C(=O)NC(CC3=CC=CC=C3)C(=O)O)Cl[4].
  • ochratoxin A's chemical formula is recorded as C₂₀H₁₈ClNO₆[5].
  • ochratoxin An is a type of ochratoxin[6].
  • ochratoxin An is part of ochratoxin A metabolic process[7].
  • ochratoxin An is part of ochratoxin A catabolic process[8].
  • ochratoxin An is part of ochratoxin A biosynthetic process[9].
  • ochratoxin A's Commons category is recorded as Ochratoxin A[10].
  • ochratoxin A's found in taxon is recorded as Aspergillus niger[11].
  • ochratoxin A's found in taxon is recorded as Aspergillus ochraceus[12].
  • ochratoxin A's found in taxon is recorded as Penicillium nordicum[13].
  • ochratoxin A's found in taxon is recorded as Penicillium verrucosum[14].
  • ochratoxin A's found in taxon is recorded as Aspergillus melleus[15].
  • ochratoxin A's found in taxon is recorded as Glycyrrhiza uralensis[16].
  • ochratoxin A's found in taxon is recorded as Aspergillus westerdijkiae[17].
  • ochratoxin A's isomeric SMILES is recorded as C[C@@H]1CC2=C(C=C(C(=C2C(=O)O1)O)C(=O)NC@@HC(=O)O)ClC@@HC(=O)O)Cl">[18].
  • ochratoxin A's mass is recorded as {'unit': 'Q483261', 'amount': '+403.082265'}[19].
  • ochratoxin A's subject has role is recorded as carcinogen[20].
  • ochratoxin A's subject has role is recorded as calcium channel blocker[21].
  • ochratoxin A's stereoisomer of is recorded as hapten OTAf[22].

Why It Matters

ochratoxin A ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (61 views/month).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[23] It is known by 4 alternative names across languages and contexts.[24]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Gene Ontology release 2019-11-16. wikidata.org.
  6. [8] . Gene Ontology release 2019-11-16. wikidata.org.
  7. [9] . Gene Ontology release 2019-11-16. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Ochratoxin A production by strains of Aspergillus niger var. niger. wikidata.org.
  10. [12] . 1304. Mycotoxins. Part II. The constitution of ochratoxins A, B, and C, metabolites of Aspergillus ochraceus wilh. wikidata.org.
  11. [13] . Cloning a part of the ochratoxin A biosynthetic gene cluster of Penicillium nordicum and characterization of the ochratoxin polyketide synthase gene. wikidata.org.
  12. [14] . Effects of brevianamide A, its photolysis product brevianamide D, and ochratoxin A from two Penicillium strains on the insect pests Spodoptera frugiperda and Heliothis virescens. wikidata.org.
  13. [15] . Isolation and insecticidal activity of mellamide from Aspergillus melleus. wikidata.org.
  14. [16] . Co-occurrence of aflatoxin B1, B2, G1, G2 and ochrotoxin A in Glycyrrhiza uralensis analyzed by HPLC-MS/MS. wikidata.org.
  15. [17] . A PCR method to identify ochratoxin A-producing Aspergillus westerdijkiae strains on dried and aged foods. wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . Medical Subject Headings. Retrieved . oehha.ca.gov. Provenance: wikidata.org.
  19. [21] . Medical Subject Headings. Retrieved . wikidata.org.
  20. [22] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . Wikidata sitelinks. wikidata.org.
  3. [24] . 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). ochratoxin A. Retrieved May 3, 2026, from https://4ort.xyz/entity/ochratoxin-a
MLA “ochratoxin A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ochratoxin-a.
BibTeX @misc{4ortxyz_ochratoxin-a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ochratoxin A}}, year = {2026}, url = {https://4ort.xyz/entity/ochratoxin-a}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ochratoxin A — https://4ort.xyz/entity/ochratoxin-a (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. 12d ago · FlocciNivis · 2026-06-25 view diff on Wikidata ↗
    Pdb ligand id 97U
    "/* wbcreateclaim-create:1| */ [[Property:P3636]]: 97U, [[:toollabs:quickstatements/#/batch/259826|batch #259826]]"
  2. 18d ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Stereoisomer of hapten OTAf
    Instance of type of chemical entity
    Part of
    Subclass of
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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