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Levocetirizine Hydrochloride

  • #LGM Pharma is a Levocetirizine Hydrochloride CAS# 823178-28-5 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, delivery, purity, and more.
  • #Questions? Call our customer API support number 1-(800)-881-8210.
  • #LGM Pharma offers this active ingredient but not the finished dosage forms.

Product Details:

  • CAS No: 823178-28-5
  • Synonyms: Acetic acid, 2-(2-(4-((R)-(4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-, hydrochloride (1:1), Levocetirizine monohydrochloride, UNII-W69HSF2416
  • ATC Code: R06AE09
  • Chemical Formula: C21H25ClN2O3
  • Molecular Weight: 425.3534
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB06282
  • SMILES: c1ccc(cc1)[C@H](c2ccc(cc2)Cl)N3CCN(CC3)CCOCC(=O)O.Cl
  • InChl: 1S/C21H25ClN2O3.ClH/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);1H/t21-;/m1./s1
  • PubChem: 1549000
  • IUPAC: 2-(2-{4-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid

Additional Details

Indication:
Levocetirizine is indicated for the relief of symptoms associated with allergic rhinitis (seasonal and perennial) in adults and children 6 years of age and older.
Mode of Action:
Levocetirizine, the active enantiomer of cetirizine, is an anti-histamine; its principal effects are mediated via selective inhibition of H1 receptors. The antihistaminic activity of levocetirizine has been documented in a variety of animal and human models. In vitro binding studies revealed that levocetirizine has an affinity for the human H1-receptor 2-fold higher than that of cetirizine (Ki = 3 nmol/L vs. 6 nmol/L, respectively). This increased affinity has unknown clinical relevance.
Metabolism:
Levocetirizine is poorly metabolized and mostly excreted. This is favourable as it is unlikely to be modified by drugs administered concomitantly.
General Reference:
  1. Grant JA, Riethuisen JM, Moulaert B, DeVos C: 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. Ann Allergy Asthma Immunol. 2002 Feb;88(2):190-7. [PubMed:11868924]
  2. Ferrer M: Pharmacokinetic evaluation of levocetirizine. Expert Opin Drug Metab Toxicol. 2011 Aug;7(8):1035-47. doi: 10.1517/17425255.2011.590131. Epub 2011 Jun 4. [PubMed:21639816 ]
  3. Devillier P, Roche N, Faisy C: Clinical pharmacokinetics and pharmacodynamics of desloratadine, fexofenadine and levocetirizine : a comparative review. Clin Pharmacokinet. 2008;47(4):217-30. [PubMed:18336052 ]
Products currently covered by valid US Patents are offered for R&D use in accordance with 35 USC 271(e)+A13(1). Any patent infringement and resulting liability is solely at buyer risk.

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