# iridium

> chemical element with symbol Ir and atomic number 77

**Wikidata**: [Q877](https://www.wikidata.org/wiki/Q877)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Iridium)  
**Source**: https://4ort.xyz/entity/iridium


## References

1. iridium. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7439-88-5)
3. IRIDIUM. PubChem
4. ChEBI release 2020-09-01
5. Atomic weights of the elements 2009 (IUPAC Technical Report)
6. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=151134)
7. Freebase Data Dumps. 2013
8. Iridium. ChemSpider
9. iridium atom. ChEBI
10. IRIDIUM, ELEMENTAL. Hazardous Substances Data Bank. 2019
11. Standard Atomic Weights of 14 Chemical Elements Revised. Chemistry International
12. YSO-Wikidata mapping project
13. Iridium. ECHA Substance Infocard database
14. BabelNet
15. UMLS 2023
16. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
17. National Library of Israel
18. KBpedia
19. GF WordNet
20. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
21. UniChem