# cyclobutadiene

> chemical compound

**Wikidata**: [Q415302](https://www.wikidata.org/wiki/Q415302)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cyclobutadiene)  
**Source**: https://4ort.xyz/entity/cyclobutadiene


## References

1. cyclobutadiene. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=1120-53-2)
3. Cyclobutadiene. PubChem
4. ChEBI release 2020-09-01
5. Freebase Data Dumps. 2013
6. Cyclobutadiene. ChemSpider
7. cyclobuta-1,3-diene. ChEBI
8. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
10. UniChem