Small molecules & peptides

(R)-Metomidate hydrochloride

Reference standard for [¹¹C]Metomidate

(+)-Metomidate hydrochloride; Imidazole-5-carboxylic acid, 1-(α-methylbenzyl)-, methyl ester, (R)-(+) hydrochloride

CA index name: 1H-Imidazole-5-carboxylic acid, 1-[(1R)-1-phenylethyl]-, methyl ester hydrochloride


Research Chemical


Molar mass 266.72

CAS RN [66392-64-1]

Purity ≥ 95 %

  • Colorless solid


CoA: appearance, ¹H NMR spectrum


Bergström M. et al. In Vitro and In Vivo Primate Evaluation of Carbon-11-Etomidate and Carbon-11-Metomidate as Potential Tracers for PET Imaging of the Adrenal Cortex and Its Tumors. J. Nucl. Med. 1998, 39, 982–989.

Heikki M. et al. Imaging of Adrenal Incidentalomas with PET using ¹¹C-Metomidate and ¹⁸F-FDG. J. Nucl. Med. 2004, 45, 972–979.

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