levonorgestrel

pharmaceutical drug
ChemicalSubstance type_of_chemical_entity Q416950
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levonorgestrel

Summary

levonorgestrel is a type of chemical entity[1]. levonorgestrel ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (505 views/month).[2]

Key Facts

  • levonorgestrel's instance of is recorded as type of chemical entity[3].
  • levonorgestrel's chemical structure is recorded as Levonorgestrel.svg[4].
  • levonorgestrel's chemical structure is recorded as Struktur Levonorgestrel.svg[5].
  • levonorgestrel's physically interacts with is recorded as progesterone receptor[6].
  • levonorgestrel's CAS Registry Number is recorded as 797-63-7[7].
  • levonorgestrel's EC number is recorded as 212-349-8[8].
  • levonorgestrel's canonical SMILES is recorded as CCC12CCC3C(C1CCC2(C#C)O)CCC4=CC(=O)CCC34[9].
  • levonorgestrel's InChI is recorded as InChI=1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,13,16-19,23H,3,5-12H2,1H3/t16-,17+,18+,19-,20-,21-/m0/s1[10].
  • levonorgestrel's InChIKey is recorded as WWYNJERNGUHSAO-XUDSTZEESA-N[11].
  • levonorgestrel's ATC code is recorded as G03AC03[12].
  • levonorgestrel's ATC code is recorded as G03AD01[13].
  • levonorgestrel's chemical formula is recorded as C₂₁H₂₈O₂[14].
  • levonorgestrel's subclass of is recorded as progesterone congener[15].
  • levonorgestrel's subclass of is recorded as steroid[16].
  • levonorgestrel's subclass of is recorded as norgestrel[17].
  • levonorgestrel's has use is recorded as medication[18].
  • levonorgestrel's Commons category is recorded as Levonorgestrel[19].
  • levonorgestrel's MeSH descriptor ID is recorded as D016912[20].
  • levonorgestrel's BNCF Thesaurus ID is recorded as 25136[21].
  • levonorgestrel's ChEMBL ID is recorded as CHEMBL1389[22].
  • levonorgestrel's Guide to Pharmacology Ligand ID is recorded as 2881[23].
  • levonorgestrel's Freebase ID is recorded as /m/031zs3[24].
  • levonorgestrel's UNII is recorded as 5W7SIA7YZW[25].
  • levonorgestrel's UNII is recorded as 3J8Q1747Z2[26].
  • levonorgestrel's ChemSpider ID is recorded as 12560[27].

Why It Matters

levonorgestrel ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (505 views/month).[2] levonorgestrel has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[28] levonorgestrel is known by 60 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] . wikidata.org.
  4. [6] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  5. [7] . DrugBank. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  6. [8] . Global Substance Registration System. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . DrugBank. wikidata.org.
  11. [13] . DrugBank. wikidata.org.
  12. [14] . PubChem. Retrieved . wikidata.org.
  13. [15] . NDF-RT. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . DrugBank. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Nuovo soggettario. wikidata.org.
  20. [22] . ChEMBL. Retrieved . wikidata.org.
  21. [23] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  22. [24] . Freebase Data Dumps. wikidata.org.
  23. [25] . NDF-RT. Retrieved . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . Q2311683. 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). levonorgestrel. Retrieved May 3, 2026, from https://4ort.xyz/entity/levonorgestrel
MLA “levonorgestrel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/levonorgestrel.
BibTeX @misc{4ortxyz_levonorgestrel_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{levonorgestrel}}, year = {2026}, url = {https://4ort.xyz/entity/levonorgestrel}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): levonorgestrel — https://4ort.xyz/entity/levonorgestrel (retrieved 2026-05-03)

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