Catalog Number: 5069
Alternate Names: A77 1726
Chemical Name: 2-Cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]-2-butenamide
Biological Activity
Inhibitor of dihydroorotate dehydrogenase (Kd = 12 nM; Ki = 179 nM). Inhibits proliferation of mitogen- or cytokine-stimulated lymphoid cells in vitro by inhibiting cell cycle progression from G1 to S. Imunosuppressive agent. Active metabolite of leflunomide (Cat. No. 2228).
Technical Data
  • M.Wt:
    270.21
  • Formula:
    C12H9F3N2O2
  • Solubility:
    Soluble to 100 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Store at +4°C
  • CAS No:
    108605-62-5
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. Dihydroorotate dehydrogenase is a high affinity binding protein for A77 1726 and mediator of a range of biological effects of the immunomodulatory compound.
    Williamson et al.
    J.Biol.Chem., 1995;270:22467
  2. The immunosuppressive metabolite of leflunomide is a potent inhibitor of human dihydroorotate dehydrogenase.
    Davis et al.
    Biochemistry, 1996;35:1270
  3. Effects of prophylactic and therapeutic teriflunomide in transcranial magnetic stimulation-induced motor-evoked potentials in the dark agouti rat model of experimental autoimmune encephalomyelitis.
    Iglesias-Bregna et al.
    J.Pharmacol.Exp.Ther., 2013;347:203

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