ethinylestradiol

estrogen medication used widely in birth control pills in combination with progestins
ChemicalSubstance type_of_chemical_entity Q415563
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ethinylestradiol

Summary

ethinylestradiol is a type of chemical entity[1]. ethinylestradiol ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (200 views/month).[2]

Key Facts

  • ethinylestradiol's instance of is recorded as type of chemical entity[3].
  • ethinylestradiol's chemical structure is recorded as Ethinylestradiol.png[4].
  • ethinylestradiol's chemical structure is recorded as Ethinylestradiol.svg[5].
  • ethinylestradiol's physically interacts with is recorded as estrogen receptor 1[6].
  • ethinylestradiol's physically interacts with is recorded as estrogen receptor 2[7].
  • ethinylestradiol's CAS Registry Number is recorded as 57-63-6[8].
  • ethinylestradiol's EC number is recorded as 200-342-2[9].
  • ethinylestradiol's canonical SMILES is recorded as CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)O[10].
  • ethinylestradiol's InChI is recorded as InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1[11].
  • ethinylestradiol's InChIKey is recorded as BFPYWIDHMRZLRN-SLHNCBLASA-N[12].
  • ethinylestradiol's ATC code is recorded as L02AA03[13].
  • ethinylestradiol's ATC code is recorded as G03CA01[14].
  • ethinylestradiol's chemical formula is recorded as C₂₀H₂₄O₂[15].
  • ethinylestradiol's subclass of is recorded as steroid[16].
  • ethinylestradiol's part of is recorded as response to 17alpha-ethynylestradiol[17].
  • ethinylestradiol's part of is recorded as cellular response to 17alpha-ethynylestradiol[18].
  • ethinylestradiol's has use is recorded as medication[19].
  • ethinylestradiol's Commons category is recorded as Ethinylestradiol[20].
  • ethinylestradiol's MeSH descriptor ID is recorded as D004997[21].
  • ethinylestradiol's ChEMBL ID is recorded as CHEMBL691[22].
  • ethinylestradiol's Guide to Pharmacology Ligand ID is recorded as 7071[23].
  • ethinylestradiol's route of administration is recorded as oral administration[24].
  • ethinylestradiol's route of administration is recorded as intravaginal administration[25].
  • ethinylestradiol's route of administration is recorded as transdermal administration[26].
  • ethinylestradiol's PDB structure ID is recorded as 4X1F[27].

Why It Matters

ethinylestradiol ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (200 views/month).[2] ethinylestradiol has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28] ethinylestradiol is known by 101 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] ↑ . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  6. [8] ↑ . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  7. [9] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  8. [10] ↑ . PubChem. Retrieved . wikidata.org.
  9. [11] ↑ . PubChem. Retrieved . wikidata.org.
  10. [12] ↑ . PubChem. Retrieved . wikidata.org.
  11. [13] ↑ . DrugBank. wikidata.org.
  12. [14] ↑ . DrugBank. wikidata.org.
  13. [15] ↑ . PubChem. Retrieved . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  16. [18] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . ChEMBL. Retrieved . wikidata.org.
  21. [23] ↑ . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . Protein Data Bank. 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). ethinylestradiol. Retrieved October 2, 2026, from https://4ort.xyz/entity/ethinylestradiol
MLA “ethinylestradiol.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/ethinylestradiol.
BibTeX @misc{4ortxyz_ethinylestradiol_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ethinylestradiol}}, year = {2026}, url = {https://4ort.xyz/entity/ethinylestradiol}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ethinylestradiol — https://4ort.xyz/entity/ethinylestradiol (retrieved 2026-10-02)

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