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Substance Name: Cetirizine [INN:BAN]
RN: 83881-51-0
UNII: YO7261ME24
InChIKey: ZKLPARSLTMPFCP-UHFFFAOYSA-N

Note

  • A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.

Molecular Formula

  • C21-H25-Cl-N2-O3

Molecular Weight

  • 388.8925
 

Classification Codes

  • Anti-Allergic Agents
  • Drug / Therapeutic Agent
  • Histamine Agents
  • Histamine Antagonists
  • Histamine H1 Antagonists
  • Histamine H1 Antagonists, Non-Sedating
  • Neurotransmitter Agents

Names and Synonyms

Name of Substance

  • Cetirizine
  • Cetirizine [INN:BAN]

MeSH Heading

  • Cetirizine

Synonyms

  • (2-(4-((4-Chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)acetic acid
  • AC-170
  • Cetirizina
  • Cetirizina [Spanish]
  • Cetirizine
  • Cetirizinum
  • Cetirizinum [Latin]
  • Cetryn
  • Hitrizin Film Tablet
  • HSDB 7739
  • Setir
  • UNII-YO7261ME24
  • Virlix
  • Zerviate
  • Ziptek

Systematic Name

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

Registry Numbers

CAS Registry Number

  • 83881-51-0

FDA UNII

  • YO7261ME24

Related Registry Number

  • 83881-52-1 (di-hydrochloride)

System Generated Number

  • 0083881510

Structure Descriptors

InChI

1S/C21H25ClN2O3/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)

InChIKey

ZKLPARSLTMPFCP-UHFFFAOYSA-N

Smiles

c1ccc(cc1)C(c2ccc(cc2)Cl)N3CCN(CC3)CCOCC(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 116mg/kg (116mg/kg)   United States Patent Document. Vol. #4525358,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 112.5 deg C   EXP
log P (octanol-water) -0.610 (none)   EST
Atmospheric OH Rate Constant 2.41E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.