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Substance Name: Levocetirizine dihydrochloride [USAN]
RN: 130018-87-0
UNII: SOD6A38AGA
InChIKey: PGLIUCLTXOYQMV-GHVWMZMZSA-N

Note

  • The active isomer of Cetirizine opposite to dextrocetirizine; sometimes called a third generation H1 antagonist.

Molecular Formula

  • C21-H25-Cl-N2-O3.2Cl-H

Molecular Weight

  • 461.8143
 

Classification Code

  • Antihistamine
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Names and Synonyms

Name of Substance

  • Levocetirizine dihydrochloride
  • Levocetirizine dihydrochloride [USAN]

Synonyms

  • (2-(4-((R)-(4-Chlorophenyl)phenylmethyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride
  • (R)-Cetirizine dihydrochloride
  • Levocetirizine dihydrochloride
  • Levocetirizine HCl
  • UCB 28556
  • UNII-SOD6A38AGA
  • Xusal
  • Xyzal

Systematic Name

  • Acetic acid, (2-(4-((R)-(4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-, dihydrochloride

Registry Numbers

CAS Registry Number

  • 130018-87-0

FDA UNII

  • SOD6A38AGA

System Generated Number

  • 0130018870

Molecular Formulas

Molecular Formula

  • C21-H25-Cl-N2-O3.2Cl-H

Molecular Formula Fragments

  • C21-H25-Cl-N2-O3
  • Cl-H
  • COMPONENT

Structure Descriptors

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

InChIKey

PGLIUCLTXOYQMV-GHVWMZMZSA-N

Smiles

Cl.Cl.OC(=O)COCCN1CCN(CC1)[C@H](c2ccccc2)c3ccc(Cl)cc3