xanthine

chemical compound
ChemicalSubstance type_of_chemical_entity Q50980
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xanthine

Summary

xanthine is a type of chemical entity[1]. xanthine ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (220 views/month).[2]

Key Facts

  • xanthine's instance of is recorded as type of chemical entity[3].
  • xanthine's chemical structure is recorded as Xanthin - Xanthine.svg[4].
  • xanthine's CAS Registry Number is recorded as 69-89-6[5].
  • xanthine's EC number is recorded as 200-718-6[6].
  • xanthine's canonical SMILES is recorded as C1=NC2=C(N1)C(=O)NC(=O)N2[7].
  • xanthine's InChI is recorded as InChI=1S/C5H4N4O2/c10-4-2-3(7-1-6-2)8-5(11)9-4/h1H,(H3,6,7,8,9,10,11)[8].
  • xanthine's InChIKey is recorded as LRFVTYWOQMYALW-UHFFFAOYSA-N[9].
  • xanthine's chemical formula is recorded as C₅H₄N₄O₂[10].
  • xanthine's subclass of is recorded as xanthines[11].
  • xanthine's part of is recorded as xanthine phosphoribosyltransferase activity[12].
  • xanthine's part of is recorded as xanthine oxidase activity[13].
  • xanthine's part of is recorded as guanine deaminase activity[14].
  • xanthine's part of is recorded as xanthosine nucleotidase activity[15].
  • xanthine's part of is recorded as alpha-ketoglutarate-dependent xanthine dioxygenase activity[16].
  • xanthine's part of is recorded as xanthine dehydrogenase activity[17].
  • xanthine's Commons category is recorded as Xanthine[18].
  • xanthine's MeSH descriptor ID is recorded as D019820[19].
  • xanthine's has part is recorded as oxygen[20].
  • xanthine's has part is recorded as carbon[21].
  • xanthine's ChEMBL ID is recorded as CHEMBL1424[22].
  • xanthine's Guide to Pharmacology Ligand ID is recorded as 4557[23].
  • xanthine's PDB structure ID is recorded as 5H9I[24].
  • xanthine's PDB structure ID is recorded as 1YR3[25].
  • xanthine's PDB structure ID is recorded as 2W3S[26].
  • xanthine's PDB structure ID is recorded as 2UZ9[27].

Why It Matters

xanthine ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (220 views/month).[2] xanthine has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28]

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] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Gene Ontology release 2020-05-02. wikidata.org.
  11. [13] . Gene Ontology release 2020-05-02. wikidata.org.
  12. [14] . Gene Ontology release 2020-05-02. wikidata.org.
  13. [15] . geneontology.org. Retrieved . geneontology.org. Provenance: wikidata.org.
  14. [16] . geneontology.org. Retrieved . geneontology.org. Provenance: wikidata.org.
  15. [17] . geneontology.org. Retrieved . geneontology.org. Provenance: wikidata.org.
  16. [18] . 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] . 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.

📑 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). xanthine. Retrieved May 3, 2026, from https://4ort.xyz/entity/xanthine
MLA “xanthine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/xanthine.
BibTeX @misc{4ortxyz_xanthine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{xanthine}}, year = {2026}, url = {https://4ort.xyz/entity/xanthine}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): xanthine — https://4ort.xyz/entity/xanthine (retrieved 2026-05-03)

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