Bicyclobutane

chemical compound

Class type of: chemical compound Q19903509

Facts

6 properties

Instance of: type of chemical entity
Subclass of: chemical compound
Canonical SMILES: C1C2C1C2^[3]
Chemical formula: C₄H₆^[4]
Has part(s): carbon, hydrogen^[5]^[6]
Mass: +54.09^[7]

🏷️ Also known as

en Bicyclo[1.1.0]butane en Bicyclobutane en Bicyclobutadiene cs Bicyklobutan de Bicyclobutan de Bicyclo[1.1.0]butan hu biciklobután ja ビシクロブタン zh 雙環丁烷

🔖 Identifiers · 13

CAS Registry Number: 157-33-5
ChemSpider ID: 119751
DSSTOX compound identifier: DTXCID5088671
DSSTox substance ID: DTXSID50166180
Freebase ID: /m/012gc8mt
InChI: InChI=1S/C4H6/c1-3-2-4(1)3/h3-4H,1-2H2
InChIKey: LASLVGACQUUOEB-UHFFFAOYSA-N
Microsoft Academic ID (discontinued): 2775913865
NMRShiftDB structure ID: 30000657
PubChem CID: 135973
SureChEMBL ID: 23866
UNII: YK26N2Z3VC

Show all 13 identifiers +1

UniChem compound ID: 25123543

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🔗 Connections

Has part(s) 2

hydrogen, carbon

Subclass of 1

chemical compound

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Summary

Bicyclobutane is a type of chemical entity^[1]. Bicyclobutane is a type of chemical compound^[2].

⭐ Popularity Graph

15/100 long tail

🌐 Wiki Languages

9 / 428 langs

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1.6K views trend: hourly, last 77h

🔗 Readers Also Explored · clickstream, Mar 2026

[1.1.1]propellane

🌐 Available in 5 languages

enBicyclobutane csBicyklobutan deBicyclobutan huBiciklobután zh雙環丁烷

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[3] ↑ Bicyclobutane — canonical SMILES (P233): C1C2C1C2. wikidata.org.
[4] ↑ Bicyclobutane — chemical formula (P274): C₄H₆. wikidata.org.
[2] ↑ Bicyclobutane — subclass of (P279): chemical compound. wikidata.org.
[5] ↑ Bicyclobutane — has part(s) (P527): carbon. wikidata.org.
[6] ↑ Bicyclobutane — has part(s) (P527): hydrogen. wikidata.org.
[7] ↑ Bicyclobutane — mass (P2067): 54.09 dalton. CAS Common Chemistry. wikidata.org.

Class ancestry

[1] ↑ Bicyclobutane is an instance of type of chemical entity (Q113145171) [P31, primary]. Wikidata. 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). Bicyclobutane. Retrieved November 10, 2026, from https://4ort.xyz/entity/bicyclobutane

MLA “Bicyclobutane.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/bicyclobutane.

BibTeX

@misc{4ortxyz_bicyclobutane_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Bicyclobutane}}, year = {2026}, url = {https://4ort.xyz/entity/bicyclobutane}, note = {Accessed: 2026-11-10}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Bicyclobutane — https://4ort.xyz/entity/bicyclobutane (retrieved 2026-11-10)

Canonical URL: https://4ort.xyz/entity/bicyclobutane · Last refreshed: November 10, 2026

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.

16d ago · V1adis1av · 2026-10-25 view diff on Wikidata ↗

Mass → 54.09 dalton

"Changed claim: Mass: 54.09 dalton"
26w ago · Shuaib-bot bot · 2026-05-06 view diff on Wikidata ↗

Has part(s) → carbon, hydrogen

Mass → 54.09 dalton

Instance of → type of chemical entity

Subclass of → chemical compound

"Changed the item"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.