calcium oxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q185006
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calcium oxide

Summary

calcium oxide is a type of chemical entity[1]. It ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (760 views/month).[2]

Key Facts

  • calcium oxide's video is recorded as 09. Гасење вар како силно егзотермен процес.webm[3].
  • calcium oxide's instance of is recorded as type of chemical entity[4].
  • calcium oxide's GND ID is recorded as 4069810-5[5].
  • calcium oxide's CAS Registry Number is recorded as 1305-78-8[6].
  • calcium oxide's EC number is recorded as 215-138-9[7].
  • calcium oxide's canonical SMILES is recorded as O=[Ca][8].
  • calcium oxide's InChI is recorded as InChI=1S/Ca.O[9].
  • calcium oxide's InChIKey is recorded as ODINCKMPIJJUCX-UHFFFAOYSA-N[10].
  • calcium oxide's chemical formula is recorded as CaO[11].
  • calcium oxide's subclass of is recorded as chemical compound[12].
  • calcium oxide's Commons category is recorded as Calcium oxide[13].
  • calcium oxide's MeSH descriptor ID is recorded as C016538[14].
  • calcium oxide's BNCF Thesaurus ID is recorded as 37614[15].
  • calcium oxide's has part is recorded as calcium[16].
  • calcium oxide's has part is recorded as oxygen[17].
  • calcium oxide's ChEMBL ID is recorded as CHEMBL2104397[18].
  • calcium oxide's E number is recorded as E529[19].
  • calcium oxide's Freebase ID is recorded as /m/012w7x[20].
  • calcium oxide's RTECS number is recorded as EW3100000[21].
  • calcium oxide's ChemSpider ID is recorded as 14095[22].
  • calcium oxide's PubChem CID is recorded as 14778[23].
  • calcium oxide's KEGG ID is recorded as C13140[24].
  • calcium oxide's KEGG ID is recorded as D01679[25].
  • calcium oxide's ZVG number is recorded as 1200[26].
  • calcium oxide's ChEBI ID is recorded as 31344[27].

Why It Matters

calcium oxide ranks in the top 2% of type_of_chemical_entity entities by monthly Wikipedia readership (760 views/month).[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[28] It is known by 111 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] . 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] . Medical Subject Headings. Retrieved . wikidata.org.
  13. [15] . Nuovo soggettario. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . ChEMBL. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Freebase Data Dumps. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Q2311683. Retrieved . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . ChEBI. Retrieved . wikidata.org.
  23. [25] . ChEBI. Retrieved . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . ChEBI. 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). calcium oxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/calcium-oxide
MLA “calcium oxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/calcium-oxide.
BibTeX @misc{4ortxyz_calcium-oxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{calcium oxide}}, year = {2026}, url = {https://4ort.xyz/entity/calcium-oxide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): calcium oxide — https://4ort.xyz/entity/calcium-oxide (retrieved 2026-05-03)

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