规格: | 98% |
分子量: | 262.3 |
包装 | 价格(元) |
1mg | 询价 |
5mg | 询价 |
10mg | 询价 |
Background:
Phenytoin-d10is intended for use as an internal standard for the quantification of phenytoin by GC- or LC-MS. Phenytoin is an anticonvulsant agent and active metabolite of fosphenytoin . Phenytoin is formed from fosphenytoin by tissue phosphatases.1It inhibits neuronal voltage-gated sodium channels in a voltage-dependent manner.2Phenytoin reduces the neuronal firing frequency and decreases the amplitude of excitatory post-synaptic potentials (EPSPs) in electrically stimulated rat corticostriatal slices (EC50s = 42.8 and 33.5 µM, respectively).3It protects against seizures induced by maximal electroshock (MES) in mice (ED50= 10 mg/kg).4Formulations containing phenytoin have been used in the treatment of tonic-clonic seizures and status epilepticus.
1.Boucher, B.A.Fosphenytoin: A novel phenytoin prodrugPharmacotherapy16(5)777-791(1996) 2.Yaari, Y., Selzer, M.E., and Pincus, J.H.Phenytoin: Mechanisms of its anticonvulsant actionAnn. Neurol.20(2)171-184(1986) 3.Calabresi, P., Centonze, D., Marfia, G.A., et al.An in vitro electrophysiological study on the effects of phenytoin, lamotrigine and gabapentin on striatal neuronsBr. J. Pharmacol.126(3)689-696(1999) 4.Brouillette, W.J., Jestkov, V.P., Akhtar, M.S., et al.Bicyclic hydantoins with a bridgehead nitrogen. Comparison of anticonvulsant activities with binding to the neuronal voltage-dependent sodium channelJ. Med. Chem.37(20)3289-3293(1994)
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