caffeine

chemical compound used as a stimulant
ChemicalSubstance type_of_chemical_entity Q60235
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caffeine

Summary

caffeine is a type of chemical entity[1]. caffeine ranks in the top 0.2% of type_of_chemical_entity entities by monthly Wikipedia readership (4,708 views/month, #25 of 12,596).[2]

Key Facts

  • caffeine's image is recorded as Caffeine USP.jpg[3].
  • caffeine's image is recorded as Sublimated caffeine.jpg[4].
  • caffeine's instance of is recorded as type of chemical entity[5].
  • caffeine's chemical structure is recorded as Koffein - Caffeine.svg[6].
  • caffeine's physically interacts with is recorded as Adenosine A1 receptor[7].
  • caffeine's physically interacts with is recorded as Adenosine A2a receptor[8].
  • caffeine's physically interacts with is recorded as Adenosine A2b receptor[9].
  • caffeine's physically interacts with is recorded as Adenosine A3 receptor[10].
  • caffeine's physically interacts with is recorded as Inositol 1,4,5-trisphosphate receptor type 1[11].
  • caffeine's physically interacts with is recorded as Ryanodine receptor 1[12].
  • caffeine's physically interacts with is recorded as Ryanodine receptor 2[13].
  • caffeine's physically interacts with is recorded as Ryanodine receptor 3[14].
  • caffeine's physically interacts with is recorded as taste receptor type 2[15].
  • coffee is named after caffeine[16].
  • caffeine's GND ID is recorded as 4010359-6[17].
  • caffeine's CAS Registry Number is recorded as 58-08-2[18].
  • caffeine's EC number is recorded as 200-362-1[19].
  • caffeine's canonical SMILES is recorded as CN1C=NC2=C1C(=O)N(C(=O)N2C)C[20].
  • caffeine's InChI is recorded as InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3[21].
  • caffeine's InChIKey is recorded as RYYVLZVUVIJVGH-UHFFFAOYSA-N[22].
  • caffeine's Library of Congress authority ID is recorded as sh85018686[23].
  • caffeine's ATC code is recorded as N06BC01[24].
  • caffeine's Bibliothèque nationale de France ID is recorded as 12080052b[25].
  • caffeine's chemical formula is recorded as C₈H₁₀N₄O₂[26].
  • caffeine's subclass of is recorded as methylxanthine[27].

Body

Works and Contributions

Things named for caffeine include caffeinism[28], a disease[29].

Why It Matters

caffeine ranks in the top 0.2% of type_of_chemical_entity entities by monthly Wikipedia readership (4,708 views/month, #25 of 12,596).[2] caffeine has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] caffeine is known by 124 alternative names across languages and contexts.[31]

Entities named for caffeine include caffeinism[28], a disease[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] . wikidata.org.
  5. [7] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  6. [8] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  7. [9] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  8. [10] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  9. [11] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  10. [12] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  11. [13] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  12. [14] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  13. [15] . The Molecular Receptive Ranges of Human TAS2R Bitter Taste Receptors. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  17. [19] . Global Substance Registration System. Retrieved . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . PubChem. Retrieved . wikidata.org.
  21. [23] . Integrated Authority File. wikidata.org.
  22. [24] . DrugBank. wikidata.org.
  23. [25] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). caffeine. Retrieved May 3, 2026, from https://4ort.xyz/entity/caffeine
MLA “caffeine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/caffeine.
BibTeX @misc{4ortxyz_caffeine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{caffeine}}, year = {2026}, url = {https://4ort.xyz/entity/caffeine}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): caffeine — https://4ort.xyz/entity/caffeine (retrieved 2026-05-03)

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