Small molecules & peptides

TBS-CNS 1261

Precursor for [*I]CNS 1261


CA index name: Guanidine, N-methyl-N'-1-naphthalenyl-N-[3-(tributylstannyl)phenyl]-


Research Chemical


Molar mass 564.39

CAS RN [765890-24-2]

Purity ≥ 95 %

  • Colorless to slightly colored oil


CoA: appearance, ¹H and ¹¹⁹Sn NMR spectra


Erlandsson K. et al. Kinetic modeling of [¹²³I]CNS 1261-a potential SPECT tracer for the NMDA receptor. Nucl. Med. Biol. 2003, 30, 441–454.

Owens J. et al. Synthesis and binding characteristics of N-(1-naphthyl)-N'-(3-[¹²⁵I]iodophenyl)-N'-methylguanidine ([¹²⁵I]-CNS 1261): A potential SPECT agent for imaging NMDA receptor activation. Nucl. Med. Biol. 2000, 27, 557–564.

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