tolcapone

chemical compound
ChemicalSubstance type_of_chemical_entity Q413840
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tolcapone

Summary

tolcapone is a type of chemical entity[1]. tolcapone ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (38 views/month).[2]

Key Facts

  • tolcapone's instance of is recorded as type of chemical entity[3].
  • tolcapone's chemical structure is recorded as Tolcapon.svg[4].
  • tolcapone's physically interacts with is recorded as Catechol-O-methyltransferase[5].
  • tolcapone's CAS Registry Number is recorded as 134308-13-7[6].
  • tolcapone's EC number is recorded as 694-343-9[7].
  • tolcapone's canonical SMILES is recorded as CC1=CC=C(C=C1)C(=O)C2=CC(=C(C(=C2)O)O)N+[O-]N+[O-]">[8].
  • tolcapone's InChI is recorded as InChI=1S/C14H11NO5/c1-8-2-4-9(5-3-8)13(17)10-6-11(15(19)20)14(18)12(16)7-10/h2-7,16,18H,1H3[9].
  • tolcapone's InChIKey is recorded as MIQPIUSUKVNLNT-UHFFFAOYSA-N[10].
  • tolcapone's ATC code is recorded as N04BX01[11].
  • tolcapone's chemical formula is recorded as C₁₄H₁₁NO₅[12].
  • tolcapone's subclass of is recorded as chemical compound[13].
  • tolcapone's has use is recorded as medication[14].
  • tolcapone's Commons category is recorded as Tolcapone[15].
  • tolcapone's MeSH descriptor ID is recorded as D000077867[16].
  • tolcapone's ChEMBL ID is recorded as CHEMBL1324[17].
  • tolcapone's Guide to Pharmacology Ligand ID is recorded as 6646[18].
  • tolcapone's PDB structure ID is recorded as 3S68[19].
  • tolcapone's PDB structure ID is recorded as 4D7B[20].
  • tolcapone's PDB structure ID is recorded as 4PYL[21].
  • tolcapone's PDB structure ID is recorded as 5A6I[22].
  • tolcapone's Freebase ID is recorded as /m/093ynn[23].
  • tolcapone's UNII is recorded as CIF6334OLY[24].
  • tolcapone's ChemSpider ID is recorded as 3848682[25].
  • tolcapone's PubChem CID is recorded as 4659569[26].
  • tolcapone's KEGG ID is recorded as D00786[27].

Why It Matters

tolcapone ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (38 views/month).[2] tolcapone has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[28] tolcapone is known by 20 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] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  5. [7] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . DrugBank. wikidata.org.
  10. [12] . PubChem. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . ChEMBL. Retrieved . wikidata.org.
  16. [18] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  17. [19] . Protein Data Bank. Retrieved . wikidata.org.
  18. [20] . Protein Data Bank. Retrieved . wikidata.org.
  19. [21] . Protein Data Bank. Retrieved . wikidata.org.
  20. [22] . Protein Data Bank. Retrieved . wikidata.org.
  21. [23] . Freebase Data Dumps. wikidata.org.
  22. [24] . Global Substance Registration System. Retrieved . wikidata.org.
  23. [25] . Q2311683. Retrieved . wikidata.org.
  24. [26] . PubChem. Retrieved . 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). tolcapone. Retrieved May 3, 2026, from https://4ort.xyz/entity/tolcapone
MLA “tolcapone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tolcapone.
BibTeX @misc{4ortxyz_tolcapone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tolcapone}}, year = {2026}, url = {https://4ort.xyz/entity/tolcapone}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tolcapone — https://4ort.xyz/entity/tolcapone (retrieved 2026-05-03)

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