Small molecules & peptides

MIBG Hemisulfate (GMP)

Precursor for [*I]Metaiodobenzylguanidine

(3-Iodobenzyl)guanidine hemisulfate; meta-Iodobenzylguanidine hemisulfate; Iobenguane sulfate

CA index name: Guanidine, [(3-iodophenyl)methyl]-, sulfate (2:1)


GMP Product


Molar mass 324.13

CAS RN [87862-25-7]

Purity ≥ 99 % (HPLC)

  • White to nearly white solid
  • Tested for bioburden and bacterial endotoxins.


CoA: appearance, ¹H NMR and IR spectra, melting point (identity), HPLC (purity), GC (residual solvents), Assay (HPLC)


Wieland D.M. et al. Imaging the primate adrenal medulla with [¹²³I] and [¹³¹I]metaiodobenzylguanidine: concise communication. J. Nucl. Med. 1981, 22, 358–364.

Shapiro B. et al. Iodine-131 Metaiodobenzylguanidine for the locating of suspected pheochromocytoma-experience on 400 cases. J. Nucl. Med. 1985, 26, 576–585.

Moll V.O.N. et al. Iodine-131 MIBG scintigraphy of neuroend-ocrine tumors other than pheocharomycotoma and neuroblasterna. J. Nucl. Med. 1987, 28, 979–988.

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Product No.Filling amountQuantity
Product No.: 7001Filling amount: 100 mg
Product No.: 7001Filling amount: 1000 mg
Product No.: 7001

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