Small molecules & peptides

FPEB standard

Reference standard for [¹⁸F]FPEB (3-[¹⁸F]fluoro-5-(2-pyridinylethynyl)benzonitrile)

3-Fluoro-5-(2-pyrininylethynyl)benzonitril; 3-(2-(pyridin-2-yl)ethynyl)-5-fluorobenzonitrile; 3-Fluoro-5-pyridin-2-ylethynyl-benzonitrile

CA index name: Benzonitrile, 3-fluoro-5-[2-(2-pyridinyl)ethynyl]


Research Chemical


Molar mass 222.22

CAS RN [864063-10-5]

Purity ≥ 95 %

  • Off-white to yellowish solid


CoA: appearance, ¹H and ¹⁹F NMR spectra


Wang J.-Q. et al. Synthesis and Preliminary Biological Evaluation of 3-[¹⁸F]Fluoro-5-(2-pyridinylethynyl)benzonitrile as a PET Radiotracer for Imaging Metrabotropic Glutamate Receptor Subtype 5. Synapse 2007, 61, 951–961.

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