Category
Cetirizine
CAS Number
Cetirizine STD - 83881-51-0: IMP-B- 113740-61-7 : IMP-C- 83881-59-8: IMP-D- 346451-15-8: IMP-E- 682323-77-9: IMP-F- 83881-53-2
Molecular Formula
Cetirizine STD - C21H25ClN2O3: IMP-B- C19H21ClN2O2 : IMP-C- C21H25ClN2O3: IMP-D- C30H28Cl2N2: IMP-E- C23H29ClN2O4: IMP-F- C21H26N2O3
Molecular Weight
Cetirizine STD - 388.89 g/mol: IMP-B- 344.8 g/mol : IMP-C- 388.9 g/mol: IMP-D- 487.5 g/mol: IMP-E- 432.9 g/mol : IMP-F- 354.5 g/mol
Synonym

Cetirizine - (±)-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1- piperazinyl]ethoxy]acetic Acid;Alatrol; Alerid; Alzene; Cetirin; Cetirizin; Cetirizina; Cetzine; Cezin; Histazine; Humex; Letizen; Reactine; Razene; Zetop; Zirtec; Zirtek; Zodac; Zyllergy; Zynor; Zyrlek; Zyrtec;

Cetirizine EP IMP B  - (RS)-2-[4-[(4-chlorophenyl)phenylmethyl]piperazin-1- yl]acetic acid;

Cetirizine EP IMP C - (RS)-2-[2-[4-[(2-chlorophenyl)phenylmethyl]piperazin-1- yl]ethoxy]acetic acid

Cetirizine EP IMP D - 1,4-bis[(4-chlorophenyl)phenylmethyl]piperazine;

Cetirizine EP IMP E - (RS)-2-[2-[2-[4-[(4-chlorophenyl)phenylmethyl]piperazin1-yl]ethoxy]ethoxy]acetic acid 

Cetirizine EP IMP F - 2-[2-[4-(diphenylmethyl)piperazin-1-yl]ethoxy]acetic acid;

 

Slide_1

Cetirizine CRS is used as a chemical reference substance for peak identification in chromatographic methods to confirm the presence of cetirizine in pharmaceutical preparations. It ensures accurate identification, method validation, and quality control in accordance with pharmacopeial standards.