Catalog Number: 4764
Chemical Name: (±)-4-[[2-(1-Methyl-2-pyrrolidinyl)ethyl]thio]phenol hydrochloride
Biological Activity
Nicotinic acetylcholine receptor (nAChR) agonist. Displays selectivity for β4 subunit-containing receptors. Stimulates acetylcholine levels and other neurotransmitters relevant for cognitive processes. Improves attention deficits and memory performance in a Parkinson's disease model.
Technical Data
  • M.Wt:
    273.82
  • Formula:
    C13H19NOS.HCl
  • Solubility:
    Soluble to 100 mM in water
  • Purity:
    >98%
  • Storage:
    Store at +4°C
  • CAS No:
    191611-89-9
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. 4-[[2-(1-Methyl-2-pyrrolidinyl)ethyl]thio]phenol hydrochloride (SIB-1553A): a novel cognitive enhancer with selectivity for neuronal nicotinic acetylcholine receptors.
    Vernier et al.
    J.Med.Chem., 1999;42:1684
  2. In vitro pharmacological characterization of (+/-)-4-[2-(1-methyl-2-pyrrolidinyl)ethyl]thio]phenol hydrochloride (SIB-1553A), a nicotinic acetylcholine receptor ligand.
    Rao et al.
    Brain Res., 2003;981:85
  3. The subtype-selective nicotinic acetylcholine receptor agonist SIB-1553A improves both attention and memory components of a spatial working memory task in chronic low dose 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated monkeys.
    Schneider et al.
    J.Pharmacol.Exp.Ther., 2003;306:401

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