dihydroxymethylidene

chemical compound; unstable carbene tautomer of formic acid
ChemicalSubstance type_of_chemical_entity Q332879
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dihydroxymethylidene

Summary

dihydroxymethylidene is a type of chemical entity[1]. dihydroxymethylidene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (4 views/month).[2]

Key Facts

  • dihydroxymethylidene's instance of is recorded as type of chemical entity[3].
  • dihydroxymethylidene's chemical structure is recorded as Dihydroxycarbene.png[4].
  • dihydroxymethylidene's CAS Registry Number is recorded as 71946-83-3[5].
  • dihydroxymethylidene's canonical SMILES is recorded as COCO">[6].
  • dihydroxymethylidene's InChI is recorded as InChI=1S/CH2O2/c2-1-3/h2-3H[7].
  • dihydroxymethylidene's InChIKey is recorded as VZOMUUKAVRPMBY-UHFFFAOYSA-N[8].
  • dihydroxymethylidene's chemical formula is recorded as CH₂O₂[9].
  • dihydroxymethylidene's subclass of is recorded as carbene[10].
  • dihydroxymethylidene's subclass of is recorded as diprotic acid[11].
  • dihydroxymethylidene's subclass of is recorded as carbon oxoacid[12].
  • dihydroxymethylidene's Commons category is recorded as Dihydroxycarbene[13].
  • dihydroxymethylidene's Freebase ID is recorded as /m/0crfpbj[14].
  • dihydroxymethylidene's ChemSpider ID is recorded as 11646598[15].
  • dihydroxymethylidene's PubChem CID is recorded as 191992[16].
  • dihydroxymethylidene's mass is recorded as {'unit': 'Q483261', 'amount': '+46.005479'}[17].
  • dihydroxymethylidene's SureChEMBL ID is recorded as 4597[18].
  • dihydroxymethylidene's SureChEMBL ID is recorded as 31478808[19].
  • dihydroxymethylidene's DSSTox substance ID is recorded as DTXSID70222232[20].
  • dihydroxymethylidene's image of molecular model or crystal lattice model is recorded as Dihydroxymethylidene-3D-balls.png[21].
  • dihydroxymethylidene's DSSTOX compound identifier is recorded as DTXCID70144723[22].
  • dihydroxymethylidene's UniChem compound ID is recorded as 25885569[23].

Why It Matters

dihydroxymethylidene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (4 views/month).[2] dihydroxymethylidene has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[24] dihydroxymethylidene is known by 11 alternative names across languages and contexts.[25]

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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Q2311683. Retrieved . wikidata.org.
  14. [16] . PubChem. Retrieved . wikidata.org.
  15. [17] . PubChem. Retrieved . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . UniChem. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [24] . Wikidata sitelinks. wikidata.org.
  3. [25] . 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). dihydroxymethylidene. Retrieved May 3, 2026, from https://4ort.xyz/entity/dihydroxymethylidene
MLA “dihydroxymethylidene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/dihydroxymethylidene.
BibTeX @misc{4ortxyz_dihydroxymethylidene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{dihydroxymethylidene}}, year = {2026}, url = {https://4ort.xyz/entity/dihydroxymethylidene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): dihydroxymethylidene — https://4ort.xyz/entity/dihydroxymethylidene (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/dihydroxymethylidene · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 29d ago · KaleemBot bot · 2026-05-01 view diff on Wikidata ↗
    Subclass of carbene, diprotic acid, carbon oxoacid
    Mass {'unit': 'Q483261', 'amount': '+46.005479'}
    Instance of
    Aliases
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:ڈائی ہائیڈروکسی میتھائلین]]"
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