Small molecules & peptides

Flumazenil acid

Precursor for [¹⁸F]FFMZ (2'-[¹⁸F]fluorethylflumazenil)

O-Desethylflumazenil; 3-Desethyl-FMZ; Ro 15-3890

CA index name: 4H-Imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid, 8-fluoro-5,6-dihydro-5-methyl-6-oxo-


Research Chemical


Molar mass 275.24

CAS RN [84378-44-9]

Purity ≥ 95 %

  • Colorless solid


CoA: appearance, ¹H and ¹⁹F NMR spectra


Wadsak W. et al. Radiosynthesis of 3-[2[¹⁸F]fluoro-)flumazenil ([¹⁸F]-FFMZ). J. Labelled Compd. Radiopharm. 2003, 46, 1229–1240.

Yoon Y.H. et al. Novel one-pot one-step synthesis of 2'-[¹⁸F]fluoroflumazenil (FFMZ) for benzodiazepine receptor imaging. Nucl. Med. Biol. 2003, 30, 521–527.

Mitterhauser M. et al. Biological evaluation of 2'-[¹⁸F]fluoroflumazenil ([¹⁸F]FFMZ), a potential GABA receptor ligand for PET. Nucl. Med. Biol. 2004, 31, 291–295

Young S.C. et al. Biological properties of 2'-[¹⁸F]fluoroflumazenil for central benzodiazepine receptor imaging. Nucl. Med. Biol. 2005, 32, 263–268.

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Product No.: 1720Filling amount: 10 mg
Product No.: 1720

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