L-thyroxine

thyroid hormone
ChemicalSubstance type_of_chemical_entity Q773449
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L-thyroxine

Summary

L-thyroxine is a type of chemical entity[1]. L-thyroxine ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (1,100 views/month).[2]

Key Facts

  • L-thyroxine's instance of is recorded as type of chemical entity[3].
  • L-thyroxine's chemical structure is recorded as Levothyroxine 200.svg[4].
  • L-thyroxine's CAS Registry Number is recorded as 51-48-9[5].
  • L-thyroxine's EC number is recorded as 200-101-1[6].
  • L-thyroxine's canonical SMILES is recorded as C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)CC(C(=O)O)N[7].
  • L-thyroxine's InChI is recorded as InChI=1S/C15H11I4NO4/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23/h1-2,4-5,12,21H,3,20H2,(H,22,23)/t12-/m0/s1[8].
  • L-thyroxine's InChIKey is recorded as XUIIKFGFIJCVMT-LBPRGKRZSA-N[9].
  • L-thyroxine's ATC code is recorded as H03AA01[10].
  • L-thyroxine's chemical formula is recorded as C₁₅H₁₁I₄NO₄[11].
  • L-thyroxine's subclass of is recorded as thyroxine[12].
  • L-thyroxine's part of is recorded as response to thyroxine[13].
  • L-thyroxine's has use is recorded as medication[14].
  • L-thyroxine's Commons category is recorded as Levothyroxine[15].
  • L-thyroxine's ChEMBL ID is recorded as CHEMBL1624[16].
  • L-thyroxine's Guide to Pharmacology Ligand ID is recorded as 2635[17].
  • L-thyroxine's route of administration is recorded as oral administration[18].
  • L-thyroxine's route of administration is recorded as intravenous administration[19].
  • L-thyroxine's PDB structure ID is recorded as 1IE4[20].
  • L-thyroxine's PDB structure ID is recorded as 4X30[21].
  • L-thyroxine's PDB structure ID is recorded as 1F86[22].
  • L-thyroxine's PDB structure ID is recorded as 1ETB[23].
  • L-thyroxine's PDB structure ID is recorded as 1ETA[24].
  • L-thyroxine's PDB structure ID is recorded as 3Q1E[25].
  • L-thyroxine's PDB structure ID is recorded as 2RIW[26].
  • L-thyroxine's PDB structure ID is recorded as 3OZK[27].

Why It Matters

L-thyroxine ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (1,100 views/month).[2] L-thyroxine has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] L-thyroxine is known by 16 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] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Gene Ontology release 2019-11-16. wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . ChEMBL. Retrieved . wikidata.org.
  15. [17] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . 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] . Protein Data Bank. Retrieved . wikidata.org.
  22. [24] . Protein Data Bank. Retrieved . wikidata.org.
  23. [25] . Protein Data Bank. Retrieved . wikidata.org.
  24. [26] . Protein Data Bank. Retrieved . 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). L-thyroxine. Retrieved May 3, 2026, from https://4ort.xyz/entity/l-thyroxine
MLA “L-thyroxine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/l-thyroxine.
BibTeX @misc{4ortxyz_l-thyroxine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{L-thyroxine}}, year = {2026}, url = {https://4ort.xyz/entity/l-thyroxine}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): L-thyroxine — https://4ort.xyz/entity/l-thyroxine (retrieved 2026-05-03)

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