Small molecules & peptides

FBEM precursor

Precursor for [¹⁸F]FBEM (N-[2-(4-[¹⁸F]-fluorobenzamido)ethyl]-maleimide)

N-(2-Aminoethyl)maleimide trifluoroacetate salt; 2-Maleimidoethylamine trifluoroacetate salt; 2-Maleimidoethylamine trifluoroacetate; N-(2-Aminoethyl)maleimide trifluoroacetate; 1H-Pyrrole-2,5-dione, 1-(2-aminoethyl)-, mono(trifluoroacetate); 2-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-ethylamine trifluoroacetate

CA index name: 1H-Pyrrole-2,5-dione, 1-(2-aminoethyl)-, 2,2,2-trifluoroacetate (1:1)


Research Chemical


Molar mass 254.16

CAS RN [146474-00-2]

Purity ≥ 95 %

  • Colorless solid


CoA: appearance, ¹H NMR spectrum


Cai W. et al. A Thiol-Reactive ¹⁸F-Labeling Agent, N-[2-(4-¹⁸F-Fluorobenzamido)Ethyl]Maleimide, and Synthesis of RGD Peptide-Based Tracer for PET Imaging of ανβ3 Integrin Expression. J. Nucl. Med. 2006, 47, 1172–1180.

Kiesewetter D.O. et al. Radiolabeling of HER2-specific Affibody molecule with F-18. J. Fluorine Chem. 2008, 129, 799–806.

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Product No.: 4398Filling amount: 100 mg
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