Small molecules & peptides

Tetrofosmin sulfosalicylate

Complexation agent for [99mTc-Tracer]-Labelling

2-[bis(2-ethoxyethyl)phosphanyl]-ethyl-bis(2-ethoxyethyl)phosphane sulfosalicylate salt; Benzoic acid, 2-hydroxy-5-sulfo-, compd. with 6,9-bis(2-ethoxyethyl)-3,12-dioxa-6,9-diphosphatetradecane (2:1)



Research Chemical


Molar mass 818.83

CAS RN not yet assigned ([512835-05-1] for 1:1 composition)

Purity ≥ 95 %

  • Colorless to off-white solid
  • soluble in water, ethanol, methanol and dimethyl sulfoxide


Kelly J.D. et al. Technetium-99m-Tetrofosmin as a New Radiopharmaceutical for Myocardial Perfusion Imaging. J. Nucl. Med. 1993, 34, 222–227.

Higley B. et al. Technetium-99m,-1,2-bis[bis(2-Ethoxy-ethyl)Phosphino]Ethane: Human Biodistribution, Dosimetry and Safety of a New Myocardial Perfusion Imaging Agent. J. Nucl. Med. 1993, 34, 30–38.

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