Catalog Number: 4952
Chemical Name: 2-Chloro-α,α-diphenylbenzeneacetonitrile
Biological Activity
Potent intermediate conductance Ca2+-activated K+ channel (KCa3.1) blocker (Kd = 60 nM). Has no effect on cytochrome p450 activity. Inhibits I-EBIO-stimulated increases in rat artery membrane potential ex vivo. Also diminishes LPS-induced cryptidin (mammalian α-defensin) release from paneth cells in vitro.
Technical Data
  • M.Wt:
    303.78
  • Formula:
    C20H14ClN
  • Solubility:
    Soluble to 50 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Store at RT
  • CAS No:
    197525-99-8
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. Design of a potent and selective inhibitor of the intermediate-conductance Ca2+-activated K+ channel, IKCa1: a potential immunosuppressant.
    Wulff et al.
    Proc.Natl.Acad.Sci.U.S.A., 2000;97:8151
  2. Impaired small-conductance Ca2+-activated K+ channel-dependent EDHF responses in Type II diabetic ZDF rats.
    Burnham et al.
    Br.J.Pharmacol., 2006;148:434
  3. Modulation of mouse Paneth cell alpha-defensin secretion by mIKCa1, a Ca2+-activated, intermediate conductance potassium channel.
    Ayabe et al.
    J.Biol.Chem., 2002;277:3793

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