Name: I-123 MIBG
I-123 MIBG is provided as a freeze-dried, radio-labeled sterile powder. The powder is reconstituted with 2 mL of sterile normal saline. The dose should be measured using a dose calibrator prior to administration. Caution: Radioactive Material. A commonly used name for iobenguane is meta-iodobenzylguanidine or MIBG.