Iobenguane and its Impurities

Iobenguane, or MIBG, is an aralkylguanidine analog of the adrenergic neurotransmitter norepinephrine and a radiopharmaceutical. it can be used in nuclear medicinal diagnostic techniques as well as in neuroendocrine antineoplastic treatments. Reference standards of Iobenguane API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.