L7795
左西替利嗪 二盐酸盐
≥98% (HPLC)
别名:
左西替利嗪 二盐酸盐, (-)-二盐酸西替利嗪; 2-[2-[4-[(R)-（4-氯苯基）-苯基-甲基]哌嗪-1-基]乙氧基]乙酸 二盐酸盐
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关于此项目
经验公式（希尔记法）:
C21H25ClN2O3·2HCl
化学文摘社编号:
分子量:
461.81
MDL编号:
UNSPSC代码:
12352200
PubChem化学物质编号:
NACRES:
NA.77
质量水平
方案
≥98% (HPLC)
表单
powder
储存条件
desiccated
溶解性
H2O: ≥23 mg/mL
储存温度
room temp
SMILES字符串
Cl.Cl.OC(=O)COCCN1CCN(CC1)[C@H](c2ccccc2)c3ccc(Cl)cc3
InChI
1S/C21H25ClN2O3.2ClH/c22-19-8-6-18(7-9-19)21(17-4-2-1-3-5-17)24-12-10-23(11-13-24)14-15-27-16-20(25)26;;/h1-9,21H,10-16H2,(H,25,26);2*1H/t21-;;/m1../s1
InChI key
PGLIUCLTXOYQMV-GHVWMZMZSA-N
基因信息
human ... HRH1(3269)
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一般描述
左西替利嗪二盐酸盐是西替利嗪的R-对映体，可用于治疗季节性过敏性鼻炎和慢性特发性荨麻疹。肝脏可代谢14％的左西替利嗪，而其余的可通过尿液被排出体外。左西替利嗪对组胺的反应相对于西替利嗪较高。
应用
左西替利嗪二盐酸盐已被用作薄层色谱优化的标准品，并用于亚临界流体色谱-串联质谱分析的外消旋西替利嗪标准品的制备中。
生化/生理作用
左旋西替利嗪是一种非镇静型组胺H1受体拮抗剂; 西替利嗪的活性异构体
盐酸左西替利嗪是一种非镇静抗组胺药。它是一种组胺H1受体拮抗剂，西替利嗪的活性异构体。左西替利嗪对H1受体具有较高的生物利用度、高亲和力和占据度。
警示用语：
Warning
危险声明
危险分类
Acute Tox. 4 Oral - Aquatic Acute 1
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
A double-blind, randomized, single-dose, crossover comparison of levocetirizine with ebastine, fexofenadine, loratadine, mizolastine, and placebo: suppression of histamine-induced wheal-and-flare response during 24 hours in healthy male subjects
Grant JA, et al.
Annals of Allergy, Asthma & Immunology, 88(2), 190-197 (2002)
Nurul Atika Razali et al.
BMC complementary and alternative medicine, 18(1), 217-217 (2018-07-18)
Histamine is a well-known mediator involved in skin allergic responses through up-regulation of pro-inflammatory cytokines. Antihistamines remain the mainstay of allergy treatment, but they were found limited in efficacy and associated with several common side effects. Therefore, alternative therapeutic preferences
Rapid chiral separation of racemic cetirizine in human plasma using subcritical fluid chromatography-tandem mass spectrometry
Eom HY, et al.
Journal of Pharmaceutical and Biomedical Analysis, 117, 380-389 (2016)
Levocetirizine does not prolong the QT/QTc interval in healthy subjects: results from a thorough QT study
Hulhoven R, et al.
European Journal of Pharmacology, 63(11), 1011-1017 (2007)
Dhagla R Choudhary et al.
Scientia pharmaceutica, 80(3), 779-787 (2012-09-26)
A fast-dissolving film containing levocetirizine, a non-sedative antihistamine drug, was developed using pullulan, xanthan gum, propylene glycol, and tween 80 as the base materials. The drug content of the prepared films was within an acceptable limit as prescribed by the
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