Small molecules & peptides

CNS 5161

Reference standard for [¹¹C]CNS 5161

N-(2-Chloro-5-methylthiophenyl)-N'-(3-methylthiophenyl)-N'-methylguanidine; CNS5161

CA index name: Guanidine, N'-[2-chloro-5-(methylthio)phenyl]-N-methyl-N-[3-(methylthio)phenyl]-


Research Chemical


Molar mass 351.92

CAS RN [160754-76-7]

Purity ≥ 95 %

  • Yellowish oil


CoA: appearance, ¹H NMR spectrum


Årstad E. et al. Synthesis and characterization of N-(2-chloro-5-methylthiophenyl)-N-(3-methylthiophenyl)-N-[¹¹C]methylguanidine [¹¹C]CNS 5161, a candidate PET tracer for functional imaging of NMDA receptors. J. Labelled Comp. Radiopharm. 2006, 49, 163–170.

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