# radium-223

> isotope of radium

**Wikidata**: [Q18888805](https://www.wikidata.org/wiki/Q18888805)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Radium-223)  
**Source**: https://4ort.xyz/entity/radium-223


## References

1. radium ra-223. Global Substance Registration System
2. Radium-223. PubChem
3. (~223~Ra)Radium. ChemSpider
4. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=88&n=135)
5. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=135&z=88)
6. [The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures](http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt)
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
8. UniChem