methylene

chemical compound CH₂(2•), the simplest carbene
ChemicalSubstance type_of_chemical_entity Q11172462
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methylene

Summary

methylene is a type of chemical entity[1]. methylene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (172 views/month).[2]

Key Facts

  • methylene's instance of is recorded as type of chemical entity[3].
  • methylene's chemical structure is recorded as S-&t-Methylene Structural Formulae V.4.svg[4].
  • methylene's chemical structure is recorded as Carbene.svg[5].
  • methylene's CAS Registry Number is recorded as 2465-56-7[6].
  • methylene's canonical SMILES is recorded as [CH2][7].
  • methylene's InChI is recorded as InChI=1S/CH2/h1H2[8].
  • methylene's InChIKey is recorded as HZVOZRGWRWCICA-UHFFFAOYSA-N[9].
  • methylene's chemical formula is recorded as CH₂[10].
  • methylene's subclass of is recorded as diradical[11].
  • methylene's subclass of is recorded as carbene[12].
  • methylene's subclass of is recorded as hydrocarbon[13].
  • methylene's Commons category is recorded as Methylene[14].
  • methylene's has part is recorded as carbon[15].
  • methylene's Freebase ID is recorded as /m/01fhd5[16].
  • methylene's ChemSpider ID is recorded as 109779[17].
  • methylene's PubChem CID is recorded as 123164[18].
  • methylene's ChEBI ID is recorded as 29357[19].
  • methylene's ChEBI ID is recorded as 51375[20].
  • methylene's ChEBI ID is recorded as 51376[21].
  • methylene's Gmelin number is recorded as 56[22].
  • methylene's Reaxys registry number is recorded as 1696832[23].
  • methylene's different from is recorded as methylene group[24].
  • methylene's Human Metabolome Database ID is recorded as HMDB0249629[25].
  • methylene's mass is recorded as {'unit': 'Q483261', 'amount': '+14.01565'}[26].
  • methylene's Nikkaji ID is recorded as J246.290G[27].

Why It Matters

methylene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (172 views/month).[2] methylene has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28] methylene is known by 10 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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: 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] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Freebase Data Dumps. wikidata.org.
  15. [17] . Q2311683. Retrieved . wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . PubChem. Retrieved . 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). methylene. Retrieved May 3, 2026, from https://4ort.xyz/entity/methylene
MLA “methylene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/methylene.
BibTeX @misc{4ortxyz_methylene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{methylene}}, year = {2026}, url = {https://4ort.xyz/entity/methylene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): methylene — https://4ort.xyz/entity/methylene (retrieved 2026-05-03)

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