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Systematic (IUPAC) name
CAS number 77679-27-7
ATC code V09IX01 V09IX02 V10XA02
PubChem 60860
Chemical data
Formula C8H10IN3 
Mol. mass 275.09 g/mol
Synonyms meta-iodobenzylguanidine
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.


Legal status
Routes Intravenous

Iobenguane, also known as metaiodobenzylguanidine or mIBG, is a radiopharmaceutical.[1] It is a radiolabeled molecule similar to norepinephrine.

The isotope of iodine used can be Iodine-123 or Iodine-131.

It can be used to identify the location of certain types of tumors.[2]


  1. ^ Iobenguane I 131 Sulfate (Intravenous Route) - Retrieved on 2007-12-15.
  2. ^ Scarsbrook AF, Ganeshan A, Statham J, et al (2007). "Anatomic and functional imaging of metastatic carcinoid tumors". Radiographics 27 (2): 455–77. doi:10.1148/rg.272065058. PMID 17374863.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Iobenguane". A list of authors is available in Wikipedia.
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