Description
Topiramate is a GluR5 kainate receptor antagonist which also inhibits Nav channels, L-type Ca2+ channels, and carbonic anhydrase
MolecularFormula
C12H21NO8S
SMILEs
CC1(OC2COC3(C(C2O1)OC(O3)(C)C)COS(=O)(=O)N)C
Appearance
Crystalline powder
Solubility
Soluble in DMSO (68 mg/ml), ethanol (68 mg/ml), methanol, water
BoilingPoint
~438.7℃ at 760 mmH
OpticalActivity
α20D -32.5, c = 0.4 in methanol; α20D -29.98, c = 0.44 in methanol; α20D -31, c = 1 in methanol
IC50
CA II: IC50 = 5 nM (human); CA IV: IC50 = 54 nM (human); CA I: IC50 = 250 nM (human); GluR5 kainate receptors: IC50 = 0.46 µM; Carbonic anhydrase II: IC50 = 1.4 µM (rat)
VapourPressure
0.0±1.1 mmHg at 25℃
Specification
Used for the treatment and control of partial seizures and severe tonic-clonic (grand mal) seizures and also for the prevention of migraine headaches.