Catalog Number: 4697
Chemical Name: 4'-[3-[(3R)-3-(Dimethylamino)-1-pyrrolidinyl]propoxy]-[1,1'-biphenyl]-4-carbonitrile dihydrochloride
Biological Activity
High affinity histamine H3 receptor antagonist (Ki values are 21.7 and 22.7 nM for rat and human H3 receptors, respectively). Exhibits selectivity for human H3 over H1, H2 and H4 receptors (Ki values are 2940, 14400 and >10000 nM respectively). Shown to reduce weight in a diet-induced obesity model.
Technical Data
  • M.Wt:
    422.39
  • Formula:
    C22H27N3O.2HCl
  • Solubility:
    Soluble to 100 mM in water and to 20 mM in DMSO
  • Purity:
    >98%
  • Storage:
    Desiccate at RT
  • CAS No:
    1049740-32-0
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. Antiobesity effects of A-331440, a novel non-imidazole histamine H3 receptor antagonist.
    Hancock et al.
    Eur.J.Pharmacol., 2004;487:183
  2. In vitro optimization of structure activity relationships by analogues of A-331440 combining radioligand receptor binding assays and micronucleus assays of potential antiobesity histamine H3 receptor antagonists.
    Hancock et al.
    Basic Clin.Pharmacol.Toxicol., 2004;95:144

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