letrozole

chemical compound
ChemicalSubstance type_of_chemical_entity Q194974
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letrozole

Summary

letrozole is a type of chemical entity[1]. letrozole ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (455 views/month).[2]

Key Facts

  • letrozole's instance of is recorded as type of chemical entity[3].
  • letrozole's chemical structure is recorded as Letrozole.svg[4].
  • letrozole's physically interacts with is recorded as cytochrome P450 family 19 subfamily A member 1[5].
  • letrozole's CAS Registry Number is recorded as 112809-51-5[6].
  • letrozole's EC number is recorded as 675-034-8[7].
  • letrozole's canonical SMILES is recorded as C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3[8].
  • letrozole's InChI is recorded as InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H[9].
  • letrozole's InChIKey is recorded as HPJKCIUCZWXJDR-UHFFFAOYSA-N[10].
  • letrozole's ATC code is recorded as L02BG04[11].
  • letrozole's chemical formula is recorded as C₁₇H₁₁N₅[12].
  • letrozole's subclass of is recorded as chemical compound[13].
  • letrozole's has use is recorded as medication[14].
  • letrozole's Commons category is recorded as Letrozole[15].
  • letrozole's MeSH descriptor ID is recorded as D000077289[16].
  • letrozole's ChEMBL ID is recorded as CHEMBL1444[17].
  • letrozole's Guide to Pharmacology Ligand ID is recorded as 5209[18].
  • letrozole's Freebase ID is recorded as /m/08924w[19].
  • letrozole's UNII is recorded as 7LKK855W8I[20].
  • letrozole's ChemSpider ID is recorded as 3765[21].
  • letrozole's PubChem CID is recorded as 3902[22].
  • letrozole's KEGG ID is recorded as C08163[23].
  • letrozole's KEGG ID is recorded as D00964[24].
  • letrozole's MeSH tree code is recorded as D02.626.300[25].
  • letrozole's MeSH tree code is recorded as D03.383.129.799.638[26].
  • letrozole's ChEBI ID is recorded as 6413[27].

Why It Matters

letrozole ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (455 views/month).[2] letrozole has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28] letrozole is known by 7 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] . Freebase Data Dumps. wikidata.org.
  18. [20] . Global Substance Registration System. Retrieved . wikidata.org.
  19. [21] . Q2311683. Retrieved . wikidata.org.
  20. [22] . PubChem. Retrieved . wikidata.org.
  21. [23] . ChEBI. Retrieved . wikidata.org.
  22. [24] . ChEBI. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . ChEMBL. 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). letrozole. Retrieved May 3, 2026, from https://4ort.xyz/entity/letrozole
MLA “letrozole.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/letrozole.
BibTeX @misc{4ortxyz_letrozole_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{letrozole}}, year = {2026}, url = {https://4ort.xyz/entity/letrozole}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): letrozole — https://4ort.xyz/entity/letrozole (retrieved 2026-05-03)

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