isocyanic acid

chemical compound of structural formula HNCO
ChemicalSubstance type_of_chemical_entity Q25774
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isocyanic acid

Summary

isocyanic acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (43 views/month).[2]

Key Facts

  • isocyanic acid's instance of is recorded as type of chemical entity[3].
  • isocyanic acid's chemical structure is recorded as Cyanic acid tautomers.svg[4].
  • isocyanic acid's GND ID is recorded as 4449843-3[5].
  • isocyanic acid's CAS Registry Number is recorded as 75-13-8[6].
  • isocyanic acid's EC number is recorded as 616-189-3[7].
  • isocyanic acid's canonical SMILES is recorded as C(=N)=O[8].
  • isocyanic acid's InChI is recorded as InChI=1S/CHNO/c2-1-3/h2H[9].
  • isocyanic acid's InChIKey is recorded as OWIKHYCFFJSOEH-UHFFFAOYSA-N[10].
  • isocyanic acid's chemical formula is recorded as CHNO[11].
  • isocyanic acid's subclass of is recorded as carbonyl compound[12].
  • isocyanic acid's subclass of is recorded as monoprotic acid[13].
  • isocyanic acid's subclass of is recorded as ketimine[14].
  • isocyanic acid's Commons category is recorded as Isocyanic acid[15].
  • isocyanic acid's has part is recorded as nitrogen[16].
  • isocyanic acid's has part is recorded as hydrogen[17].
  • isocyanic acid's has part is recorded as oxygen[18].
  • isocyanic acid's has part is recorded as carbon[19].
  • isocyanic acid's crystal system is recorded as orthorhombic crystal system[20].
  • isocyanic acid's Freebase ID is recorded as /m/05flyt[21].
  • isocyanic acid's UNII is recorded as QKG6U31925[22].
  • isocyanic acid's ChemSpider ID is recorded as 6107[23].
  • isocyanic acid's PubChem CID is recorded as 6347[24].
  • isocyanic acid's ChEBI ID is recorded as 29202[25].
  • isocyanic acid's found in taxon is recorded as Homo sapiens[26].
  • isocyanic acid's Gran Enciclopèdia Catalana ID is recorded as 0117905[27].

Why It Matters

isocyanic acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (43 views/month).[2] It has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[28] It is known by 18 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] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  5. [7] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Freebase Data Dumps. wikidata.org.
  20. [22] . Global Substance Registration System. Retrieved . wikidata.org.
  21. [23] . Q2311683. Retrieved . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . ChEBI. Retrieved . wikidata.org.
  24. [26] . A community-driven global reconstruction of human metabolism.. wikidata.org.
  25. [27] . 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). isocyanic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/isocyanic-acid
MLA “isocyanic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/isocyanic-acid.
BibTeX @misc{4ortxyz_isocyanic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{isocyanic acid}}, year = {2026}, url = {https://4ort.xyz/entity/isocyanic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): isocyanic acid — https://4ort.xyz/entity/isocyanic-acid (retrieved 2026-05-03)

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