Small molecules & peptides

Choline iodide

Reference standard for [¹¹C]Choline

Choline iodohydrate; Choline hydriodide

CA index name: Ammonium, (2-hydroxyethyl)trimethyl-, iodide


Research Chemical


Molar mass 231.08

CAS RN [17773-10-3]

Purity ≥ 95 %

  • Colorless solid


CoA: appearance, ¹H NMR spectrum


Hara T. et al. PET imaging of prostate cancer using carbon-11-choline. J. Nucl. Med. 1998, 39, 990–995.

Hara T. et al. PET imaging of brain tumor with [methyl-¹¹C]choline. J. Nucl. Med. 1997, 38, 842–847.

Hara T. et al. Automated synthesis of [¹¹C]choline, a positronemitting tracer for tumor imaging. Appl. Radiat. Isot. 1999, 50, 531–533.

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