中文名称: | 盐酸西替利嗪 一键复制产品信息 | ||||
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英文名称: | Cetirizine dihydrochloride | ||||
别名: | P071 | ||||
CAS No: | 83881-52-1 | 分子式: | C21H25ClN2O3.2HCl | 分子量: | 461.81 |
CAS No: | 83881-52-1 | ||||
分子式: | C21H25ClN2O3.2HCl | ||||
分子量: | 461.81 | ||||
MDL: | MFCD00941428 |
羟嗪的羧化代谢物,第二代抗组胺药。一种特异的、口服有效的、H1 受体 的长效拮抗剂。Cetirizine dihydrochloride 标记抗过敏特性,抑制过敏反应期间嗜酸性粒细胞趋化。
Cetirizine hydrochloride is a potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Cetirizine hydrochloride is a carboxylated metabolite of hydroxyzine that acts as a selective Histamine H1 receptor inverse agonist. Compared to its parent compound, it shows similar antihistaminic activity, but with greater H1 selectivity and less sedative effects.
本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系,公式为:
质量 (g) = 浓度 (mol/L) x 体积 (L) x 分子量 (g/mol)
摩尔浓度计算公式
用本工具协助配置特定浓度的溶液,使用的计算公式为:
开始浓度 x 开始体积 = 最终浓度 x 最终体积
稀释公式
稀释公式一般简略地表示为:C1V1 = C2V2 ( 输入 输出 )