Small molecules & peptides


Reference standard for [¹⁸F]β-CITFE Reference standard for [*I]β-CITFE

N-2-fluoroethyl-3-β-(4-iodophenyl)nortropane-2-β-carboxylic acid methyl ester; CITFE; β-CIT-FE

CA index name: 8-Azabicyclo[3.2.1]octane-2-carboxylic acid, 8-(2-fluoroethyl)-3-(4-iodophenyl)-, methyl ester, (1R,2S,3S,5S)-


Research Chemical


Molar mass 417.26

CAS RN [155798-01-9]

Purity ≥ 95 %

  • Colorless to yellowish crystals


CoA: appearance, ¹H and ¹⁹F NMR spectra


Antonini A. et al. The status of dopamine nerve terminals in Parkinson's disease and essential tremor: a PET study with the tracer [¹¹C]FE-CIT. Neurol. Sci. 2001, 22, 47–48.

Halldin C. et al. [¹¹C]β-CIT-FE, a radioligand for quantitation of the dopamine transporter in the living brain using positron emission tomography. Synapse 1996, 22, 386–390.

Baldwin R.M. et al. Regional brain uptake and pharmacokinetics of [¹²³I]N-ω-fluoroalkyl-2-β-carboxy-3-β-(4-iodophenyl)-nortropane esters in baboons. Nucl. Med. Biol. 1995, 22, 211–209.

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