(R)(−)-α-甲基组胺 二盐酸盐  

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产品描述:基本信息 产品编号: M11620 产品名称: (R)-(-)-α-Methylhistamine dihydrobromide CAS: 868698-49-1   储存条件 粉末 -20℃ 四年 分子式: C6H13Br2N3 溶于液体 -80℃ 二年 分子量: 287.00     化学名:  (R)-1-(1H-Imidazol-4-yl)propan-2-amine dihydrobromide 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 一种有效的选择性 H3 组胺受体激动剂,Kd 值为 50.3nM。(R)-(-)-α-Methylhistamine dihydrobromide 可透过血脑屏障,并可增强记忆力,减轻大鼠的记忆力障碍。 靶点 H3 Receptor 50.3nM (Kd)   体外研究 (R)-(-)-α-Methylhistamine dihydrobromide is an H3-agonist that is>10 times as potent as histamine (HA).Its selectivity toward H3-receptors is>1,000 times as high as that of HA.(R)-(-)-α-Methylhistamine dihydrobromide has only weak affinities for H1 and H2 receptor with a pKi=4.8 and< 3.5,repectively.(R)-(-)-α-Methylhistamine dihydrobromide displays>200-fold selectivity over H4 receptors. 体内研究 Pretreatment with (R)-(-)-α-Methylhistamine dihydrobromide (RAMH;10mg/kg;i.p.;60 min before training) reverses propofol‐induced (25mg/kg;i.p.;30 min before training) memory retention.(R)-alpha-Methylhistamine dihydrochloride (6.3mg/kg;i.p.) significantly decreases the steady-state t-MH level in the mouse brain,whereas these compounds produced no significant changes in the HA level. Animal Model: Male Sprague‐Dawley rats (10-12 week) Dosage: 10mg/kg Administration: IP;60 min before training Result: Reversed propofol‐induced memory retention.
保存条件:-20℃