Esomeprazole Sodium 是Esomeprazole的一种钠盐,是有效的质子泵抑制剂,IC50为0.076 mg/kg。
别名:(S)-Omeprazole sodium
Esomeprazole sodium (Nexium) is a sodium salt of esomeprazole that is a potent proton pump inhibitor with an IC50 of 0.076 mg/kg. Esomeprazole sodium (Nexium) suppresses gastric acid secretion by specific inhibition of the H+/K+-ATPase in the gastric parietal cell. Esomeprazole sodium (Nexium) is used in the treatment of dyspepsia, peptic ulcer disease, gastroesophageal reflux disease and Zollinger-Ellison syndrome. Esomeprazole is the S-enantiomer of omeprazole. The S- and R-isomers of omeprazole are protonated and converted in the acidic compartment of the parietal cell forming the active inhibitor, the achiral sulphenamide. By acting specifically on the proton pump, esomeprazole blocks the final step in acid production, thus reducing gastric acidity. This effect is dose-related up to a daily dose of 20 to 40 mg and leads to inhibition of gastric acid secretion.
小鼠 | 大鼠 | 兔 | 豚鼠 | 仓鼠 | 狗 | |
重量 (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
体表面积 (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km 系数 | 3 | 6 | 12 | 8 | 5 | 20 |
动物 A (mg/kg) = 动物 B (mg/kg) × | 动物 B的Km系数 |
动物 A的Km系数 |
例如,依据体表面积折算法,将白藜芦醇用于小鼠的剂量22.4 mg/kg 换算成大鼠的剂量,需要将22.4 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到白藜芦醇用于大鼠的等效剂量为11.2 mg/kg。
分子量 | 367.4 |
分子式 | C17H18N3O3S.Na |
CAS号 | 161796-78-7 |
纯度 | >98% |
溶解性(25°C) | DMSO 70 mg/mL |
储存和运输条件 |
固体粉末: -20°C 冷藏长期储存
常温运输及临时存放 |
以下数据基于产品分子量,对于特殊产品,请参照COA中的储备液配制条件和说明进行操作。
Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
---|---|---|---|
1 mM | 2.7218 mL | 13.6091 mL | 27.2183 mL |
5 mM | 0.5444 mL | 2.7218 mL | 5.4437 mL |
10 mM | 0.2722 mL | 1.3609 mL | 2.7218 mL |
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