Cetirizine Dihydrochloride sold under the brand name Zyrtec among others, is a second generation antihistamine used to treat allergic rhinitis dermatitis, and urticaria. Reference standards of Cetirizine Dihydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Cetirizine Dihydrochloride
Catalogue No.:PA 03 36000
CAS :
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
(RS)-1-[(4-Chlorophenyl)phenylmethyl]piperazine
Catalogue No.:PA 03 36010
Molecular Formula : C17H19ClN2
Molecular Weight : 286.80
De(carboxymethoxy) Cetirizine Acetic Acid
Catalogue No.:PA 03 36020
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
Cetirizine 2-Chloro Impurity Dihydrochloride
Catalogue No.:PA 03 36030
Cetirizine 2-Chloro Impurity
Catalogue No.:PA 03 36031
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine Dihydrochloride
Catalogue No.:PA 03 36040
Molecular Formula : C30H30Cl4N2
Molecular Weight : 560.38
Ethoxycetirizine
Catalogue No.:PA 03 36051
Molecular Formula : C23H29ClN2O4
Molecular Weight : 432.94
Deschloro Cetirizine Dihydrochloride
Catalogue No.:PA 03 36060
Molecular Formula : C21H28Cl2N2O3
Molecular Weight : 427.36
2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethanol Dihydrochloride
Catalogue No.:PA 03 36070
Molecular Formula : C19H25Cl3N2O
Molecular Weight : 403.77
2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethanol
Catalogue No.:PA 03 36071
Molecular Formula : C19H23ClN2O
Molecular Weight : 330.85
Cetirizine 3-Chloro Impurity Dihydrochloride
Catalogue No.:PA 03 36640
1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine
Catalogue No.:PA 03 36041
Molecular Formula : C30H28Cl2N2
Molecular Weight : 487.46
Hydroxyzine Acetic Acid Dihydrochloride
Catalogue No.:PA 03 36050
Molecular Formula : C23H31Cl3N2O4
Molecular Weight : 505.86
[2-[4-(Diphenylmethyl)piperazin-1-yl]ethoxy]acetic Acid
Catalogue No.:PA 03 36061
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44
(RS)-2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]acetic acid Dihydrochloride
Catalogue No.:PA 03 36021
Molecular Formula : C19H23Cl3N2O2
Molecular Weight : 417.76
Cetirizine Propanediol Ester Impurity
Catalogue No.:PA 03 0361000
Molecular Formula : C24H31ClN2O4
Molecular Weight : 446.97
Acetyl 4-Chloro Benzhydryl Piperazine
Catalogue No.:PA 03 0361003
Molecular Formula : C19H21ClN2O
Molecular Weight : 328.84
Dichloro Cetrizine
Catalogue No.:PA 03 0361004
Molecular Formula : C21H24Cl2N2O3
Molecular Weight : 423.33
1-((4-Chlorophenyl)(phenyl)methyl)-4-nitrosopiperazine-2,2,3,3,5,5,6,6-d8
Catalogue No.:PA STI 089554
Molecular Formula : C17H10D8ClN3O
Molecular Weight : 323.85
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