Nifekalant hydrochloride  ≥98%

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包装规格:25mg 100mg in glass bottle
产品描述:基本信息 产品编号: N11056 产品名称: Nifekalant hydrochloride CAS: 130656-51-8   储存条件 粉末 -20℃ 四年 分子式: C19H28ClN5O5 溶于液体 -80℃(密封储存,防潮) 6个月 分子量: 441.91 -20℃(密封储存,防潮) 1个月 化学名:  6-[2-[2-hydroxyethyl-[3-(4-nitrophenyl)propyl]amino]ethylamino]-1,3-dimethylpyrimidine-2,4-dione;hydrochloride Solubility (25°C):   体外:   DMSO   Ethanol   Water   体内(现配现用):   <1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。   生物活性 产品描述 一种III类抗心律不齐化合物,是IKr钾通道阻滞剂,可用于快速室上性心律失常的研究。 靶点 Potassium Channel   体外研究 Nifekalant interacts with the cardiac M2 and the peripheral M3 receptors with a Ki value of 27 and 74mM,respectively.Nifekalant dose dependently blocks HERG channels with an IC50 value of 7.9mM,but Nifekalant does not block minK currents in the Xenopus oocyte expression system.Nifekalant blocks HERG channels mainly in their open state in a frequency dependent manner.As a pure K+channel blocker,Nifekalant does not have negative inotropic effects which amiodarone has via a β-blocking action and does not affect cardiac conduction. 体内研究 In rats (a species deficient in functional cardiac IK),before coronary ligation,3mg/kg and 10mg/kg MS-551 decreased the heart rate by 6% and 12%,and increased mean arterial pressure (MAP) by 14% and 33%,respectively.MS-551 prolongs the QT interval and reduced the incidence of sustained ventricular fibrillation (VF) after reperfusion.
保存条件:-20℃