Cetirizine Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Cetirizine 3-CBHP impurity Cetirizine

Cetirizine 3-CBHP impurity

VL330027 N/A
Cetirizine 3-Chloro Impurity Cetirizine

Cetirizine 3-Chloro Impurity

VE0013518 1232460-31-9
Cetirizine 4 chlorobenzhydrol Impurity Cetirizine / Meclizine

Cetirizine 4 chlorobenzhydrol Impurity

VL330010 119-56-2
Cetirizine 4-chloro benzophenone impurity Cetirizine

Cetirizine 4-chloro benzophenone impurity

VL330011 134-85-0
Cetirizine 4-methoxybenzyl Impurity Cetirizine

Cetirizine 4-methoxybenzyl Impurity

VE008697 N/A
Cetirizine 6'-O-Lactose Ester (2HCl Salt) (Mixture of alpha and beta Isomers) Cetirizine

Cetirizine 6'-O-Lactose Ester (2HCl Salt) (Mixture of alpha and beta Isomers)

VE0013527 N/A
Cetirizine Bromo Impurity Cetirizine

Cetirizine Bromo Impurity

VL330014 N/A
Cetirizine EP Impurity A Cetirizine

Cetirizine EP Impurity A

VL330001 303-26-4
Cetirizine EP Impurity B (Free Base) Cetirizine

Cetirizine EP Impurity B (Free Base)

VE006643 113740-61-7
Cetirizine EP Impurity B (HCl Salt) Cetirizine

Cetirizine EP Impurity B (HCl Salt)

VL330002 1000690-91-4
Cetirizine EP Impurity C (HCl Salt) Cetirizine

Cetirizine EP Impurity C (HCl Salt)

VL330003 N/A
Cetirizine EP Impurity D Cetirizine

Cetirizine EP Impurity D

VE005989 346451-15-8
Cetirizine EP Impurity D Dihydrochloride Cetirizine

Cetirizine EP Impurity D Dihydrochloride

VL330004 856841-95-7
Cetirizine EP Impurity E Cetirizine

Cetirizine EP Impurity E

VE005990 83881-56-5
Cetirizine EP Impurity E (Free Base) Cetirizine

Cetirizine EP Impurity E (Free Base)

VL330005 682323-77-9
Cetirizine EP Impurity F (Free Base) Cetirizine

Cetirizine EP Impurity F (Free Base)

VE006644 83881-53-2
Cetirizine EP Impurity F (HCl Salt) Cetirizine

Cetirizine EP Impurity F (HCl Salt)

VL330006 83881-54-3
Cetirizine EP Impurity G (2HCl) Cetirizine

Cetirizine EP Impurity G (2HCl)

VL330007 164726-80-1
Cetirizine EP Impurity G (Free Base) Cetirizine

Cetirizine EP Impurity G (Free Base)

VE006557 109806-71-5
Cetirizine Impurity 22 (2HCl Salt) Cetirizine

Cetirizine Impurity 22 (2HCl Salt)

VE0013526 N/A
Cetirizine impurity A CRS (C0980651) Cetirizine

Cetirizine impurity A CRS (C0980651)

PVE00351 303-26-4
Cetirizine Isopropyl Ester Impurity Cetirizine

Cetirizine Isopropyl Ester Impurity

VL330016 324047-27-0
Cetirizine Lactose Ester (Mixture of diastereomers) Cetirizine

Cetirizine Lactose Ester (Mixture of diastereomers)

VL330020 N/A
Cetirizine Methacathinone Cetirizine

Cetirizine Methacathinone

VL330009 5650-44-2
Cetirizine Methyl Ester (HCl Salt) Cetirizine

Cetirizine Methyl Ester (HCl Salt)

VE0013514 N/A
Cetirizine Methyl ester Impurity Cetirizine

Cetirizine Methyl ester Impurity

VL330012 83881-46-3
Cetirizine N oxide Cetirizine

Cetirizine N oxide

VL330008 1076199-80-8
Cetirizine N,N-Dioxide (2HCl Salt) Cetirizine

Cetirizine N,N-Dioxide (2HCl Salt)

VE0013519 N/A
Cetirizine Polyethylene Glycol PEG Ester Cetirizine

Cetirizine Polyethylene Glycol PEG Ester

VL330013 1509941-93-8
Cetirizine Related Compound A (2HCl) Cetirizine

Cetirizine Related Compound A (2HCl)

VL330021 2732277-01-7
Cetirizine Related Compound B (2HCl Salt) Cetirizine

Cetirizine Related Compound B (2HCl Salt)

VE0013516 108983-83-1
Cetirizine Related Compound C Cetirizine

Cetirizine Related Compound C

VE0013513 200707-85-3
Cetirizine Related Compound C Cetirizine

Cetirizine Related Compound C

VE009481 83881-37-2
Cetirizine Sorbitol Ester Impurity (HCl Salt) (Mixture of Diastereomers) Cetirizine

Cetirizine Sorbitol Ester Impurity (HCl Salt) (Mixture of Diastereomers)

VE0013525 N/A
Cetirizine-D4 Cetirizine

Cetirizine-D4

DVE00335 N/A
Cetirizine-D8 (2HCl Salt) Cetirizine

Cetirizine-D8 (2HCl Salt)

DVE00339 2070015-04-0
Glyceryl Ester of Cetirizine Cetirizine

Glyceryl Ester of Cetirizine

VL330019 1243652-36-9
Isomers of Propylene glycol ester cetirizine Cetirizine

Isomers of Propylene glycol ester cetirizine

VL330026 N/A
Mixture of Propylene Glycol Ester Of Cetrizine Diastereomer Cetirizine

Mixture of Propylene Glycol Ester Of Cetrizine Diastereomer

VE009372 N/A
N-Nitroso Cetirizine EP Impurity A Cetirizine

N-Nitroso Cetirizine EP Impurity A

VE0013096 2005-04-1
N,N-Bis(2-chloroethyl)-p-toluenesulfonamide Cetirizine

N,N-Bis(2-chloroethyl)-p-toluenesulfonamide

VE007765 42137-88-2
N,N-Bis(2-chloroethyl)benzenesulfonamide Cetirizine

N,N-Bis(2-chloroethyl)benzenesulfonamide

VE007878 N/A
Propylene Glycol Ester of Cetirizine Diastereomer 1 Cetirizine

Propylene Glycol Ester of Cetirizine Diastereomer 1

VL330022 N/A
Racemic Cetirizine Dihydrochloride Cetirizine

Racemic Cetirizine Dihydrochloride

VL330015 83881-52-1
(R)-Cetirizine-D4 Cetirizine

(R)-Cetirizine-D4

DVE00337 N/A
(S)-Cetirizine-D4 Cetirizine

(S)-Cetirizine-D4

DVE00336 N/A
1-(4,4'-Dichlorobenzhydryl)piperazine Cetirizine

1-(4,4'-Dichlorobenzhydryl)piperazine

VL330024 27469-61-0
1-[(4-Chlorophenyl)phenylmethyl]-piperazine dihydrochloride Cetirizine

1-[(4-Chlorophenyl)phenylmethyl]-piperazine dihydrochloride

VE009845 18719-22-7
2-[2-(2-aminoethoxy) ethoxyl] Acetic Acid Cetirizine

2-[2-(2-aminoethoxy) ethoxyl] Acetic Acid

VE008274 134978-97-5
3-Chloro Cetirizine (2HCl) Cetirizine

3-Chloro Cetirizine (2HCl)

VL330018 1232460-29-5