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Samarium (153Sm) lexidronam



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Radiodiagnostic agent

Chemical Name

Pentahydrogen (OC-6-21)-[[etylenebis(nitrilodimetylene)]tetraphosphonato](8-)-N,N',OP,OP',OP'',OP'''-samarate(5-)-¹⁵³Sm

Foreign Names

  • Samarii (¹⁵³Sm) lexidronamum (Latin)
  • Samarium (¹⁵³Sm) lexidronam (German)
  • Samarium (¹⁵³Sm) lexidronam (French)
  • Samario (¹⁵³Sm) lexidronam (Spanish)

Generic Names

Brand Names

  • Quadramet
    CIS bio International, Portugal; Du Pont, United States; Iba Molecular Spain, Spain; ARI, Australia; CIS bio, Italy; CIS bio international, Hungary; Jazz Pharmaceuticals, United States


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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