Skip to Content




CAS registry number (Chemical Abstracts Service)


Therapeutic Category

Antineoplastic agent: Radioactive isotope

Chemical Names

Yttrium (⁹⁰Y), colloidal

Yttrium (⁹⁰Y), isotope of maβ 90

Foreign Names

  • Yttrium (⁹⁰Y) kolloidal (German)
  • Yttrium-90 (French)
  • Itrio-90 (Spanish)

Generic Names

  • Yttrium (⁹⁰Y) colloidal (IS)
  • Yttrium-90 (IS)
  • Yttrium (⁹⁰Y) citrate colloid (IS)

Brand Names

  • Ytracis
    CBI Medical, Switzerland; CIS bio, Italy; CIS bio international, Hungary; Iba Molecular Spain, Spain
  • Yttriga
    AEA Technology, Portugal; Eckert & Ziegler, Poland
  • Citrate d’Yttrium 90 Y
    CBI Medical, Switzerland
  • Ittrium (90Y)
    CIS bio international, Hungary


ISInofficial Synonym

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.