# Nuclide record ra-223 (isotope). Data CC BY-NC 4.0, attribute "Data from Nuclide (nuclide.cc)". Whole corpus: https://nuclide.cc/api/v1/nuclide.nt
@prefix schema: <https://schema.org/> .
@prefix nuclide: <https://nuclide.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://nuclide.cc/isotopes/ra-223/>
  a schema:ChemicalSubstance ;
  nuclide:kind "isotope" ;
  schema:identifier "ra-223" ;
  schema:name "Radium-223"@en ;
  schema:alternateName "223Ra"@en, "Ra-223"@en ;
  schema:description "A radioactive form of the mineral radium that behaves like calcium and settles into bone. It gives off very short-range, high-energy particles that damage cancer growing in bone while barely reaching the healthy marrow next to it."@en ;
  schema:url <https://nuclide.cc/isotopes/ra-223/> ;
  schema:dateModified "2026-09-22"^^xsd:date ;
  schema:citation <https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/203971lbl.pdf>, <https://pmc.ncbi.nlm.nih.gov/articles/PMC7515774/>, <https://jnm.snmjournals.org/content/jnumed/early/2021/07/22/jnumed.120.261016.full.pdf>, <https://www.dora.lib4ri.ch/psi/islandora/object/psi:68199/datastream/PDF/Tosato-2025-Alpha_Atlas-(published_version).pdf> ;
  nuclide:status "approved" ;
  nuclide:tag "therapy", "alpha emitter", "bone-seeking" ;
  nuclide:related <https://nuclide.cc/drugs/radium-223/>, <https://nuclide.cc/trials/alsympca/>, <https://nuclide.cc/key-papers/paper-alsympca-radium-223-nejm-2013/>, <https://nuclide.cc/terms/bone-metastases/>, <https://nuclide.cc/isotopes/th-227/>, <https://nuclide.cc/technologies/targeted-alpha-therapy/> .