cetirizine dihydrochloride

Impurities - 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

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    [pname] => Cetirizine Dihydrochloride
    [catalogue_number] => PA 03 36000
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    [chemical_name] => 
    [weight] => 461.81
    [form] => C21H27Cl3N2O3
    [cas] => 83881-52-1
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PA 03 36000
PA 03 36000

Cetirizine Dihydrochloride


  • Catalogue No.:PA 03 36000

  • CAS :

    83881-52-1

  • Molecular Formula : C21H27Cl3N2O3

  • Molecular Weight : 461.81

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    [pname] => Cetirizine Dihydrochloride - Impurity B
    [catalogue_number] => PA 03 36020
    [category_ids] => ,80,71,79,75,70,78,82,
    [chemical_name] => 
    [weight] => 344.84
    [form] => C19H21ClN2O2
    [cas] => 113740-61-7
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PA 03 36020
PA 03 36020

Cetirizine Dihydrochloride - Impurity B


  • Catalogue No.:PA 03 36020

  • CAS :

    113740-61-7

  • Molecular Formula : C19H21ClN2O2

  • Molecular Weight : 344.84

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity C
    [catalogue_number] => PA 03 36030
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    [chemical_name] => 
    [weight] => 461.81
    [form] => C21H27Cl3N2O3
    [cas] => 2702511-37-1
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PA 03 36030
PA 03 36030

Cetirizine Dihydrochloride- Impurity C


  • Catalogue No.:PA 03 36030

  • CAS :

    2702511-37-1

  • Molecular Formula : C21H27Cl3N2O3

  • Molecular Weight : 461.81

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity C (Freebase)
    [catalogue_number] => PA 03 36031
    [category_ids] => ,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 388.89
    [form] => C21H25ClN2O3
    [cas] => 83881-59-8
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PA 03 36031
PA 03 36031

Cetirizine Dihydrochloride- Impurity C (Freebase)


  • Catalogue No.:PA 03 36031

  • CAS :

    83881-59-8

  • Molecular Formula : C21H25ClN2O3

  • Molecular Weight : 388.89

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    [catalogue_number] => PA 03 36040
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    [chemical_name] => 
    [weight] => 560.38
    [form] => C30H30Cl4N2
    [cas] => 856841-95-7
    [pslug] => 856841-95-7-cetirizine-dihydrochloride-impurity-d-pa0336040
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PA 03 36040
PA 03 36040

Cetirizine Dihydrochloride- Impurity D


  • Catalogue No.:PA 03 36040

  • CAS :

    856841-95-7

  • Molecular Formula : C30H30Cl4N2

  • Molecular Weight : 560.38

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    [pname] => Cetirizine Dihydrochloride- Impurity E
    [catalogue_number] => PA 03 36050
    [category_ids] => ,71,70,75,78,80,82,
    [chemical_name] => 
    [weight] => 505.86
    [form] => C23H31Cl3N2O4
    [cas] => 83881-56-5
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PA 03 36050
PA 03 36050

Cetirizine Dihydrochloride- Impurity E


  • Catalogue No.:PA 03 36050

  • CAS :

    83881-56-5

  • Molecular Formula : C23H31Cl3N2O4

  • Molecular Weight : 505.86

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity E (Freebase)
    [catalogue_number] => PA 03 36051
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    [chemical_name] => 
    [weight] => 432.94
    [form] => C23H29ClN2O4
    [cas] => 682323-77-9
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PA 03 36051
PA 03 36051

Cetirizine Dihydrochloride- Impurity E (Freebase)


  • Catalogue No.:PA 03 36051

  • CAS :

    682323-77-9

  • Molecular Formula : C23H29ClN2O4

  • Molecular Weight : 432.94

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    [pname] => Cetirizine Dihydrochloride- Impurity F
    [catalogue_number] => PA 03 36060
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    [chemical_name] => 
    [weight] => 427.36
    [form] => C21H28Cl2N2O3
    [cas] => 83881-54-3
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PA 03 36060
PA 03 36060

Cetirizine Dihydrochloride- Impurity F


  • Catalogue No.:PA 03 36060

  • CAS :

    83881-54-3

  • Molecular Formula : C21H28Cl2N2O3

  • Molecular Weight : 427.36

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity F (Freebase)
    [catalogue_number] => PA 03 36061
    [category_ids] => ,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 354.44
    [form] => C21H26N2O3
    [cas] => 83881-53-2
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PA 03 36061
PA 03 36061

Cetirizine Dihydrochloride- Impurity F (Freebase)


  • Catalogue No.:PA 03 36061

  • CAS :

    83881-53-2

  • Molecular Formula : C21H26N2O3

  • Molecular Weight : 354.44

stdClass Object
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    [pname] => Cetirizine 3-Chloro Impurity Dihydrochloride
    [catalogue_number] => PA 03 36640
    [category_ids] => ,80,71,75,78,70,82,
    [chemical_name] => 
    [weight] => 461.81
    [form] => C21H27Cl3N2O3
    [cas] => 1232460-29-5
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PA 03 36640
PA 03 36640

Cetirizine 3-Chloro Impurity Dihydrochloride


  • Catalogue No.:PA 03 36640

  • CAS :

    1232460-29-5

  • Molecular Formula : C21H27Cl3N2O3

  • Molecular Weight : 461.81

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity B (Dihydrochloride Salt)
    [catalogue_number] => PA 03 36021
    [category_ids] => ,70,75,78,82,80,71,79,
    [chemical_name] => 
    [weight] => 417.76
    [form] => C19H23Cl3N2O2
    [cas] => 1000690-91-4
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PA 03 36021
PA 03 36021

Cetirizine Dihydrochloride- Impurity B (Dihydrochloride Salt)


  • Catalogue No.:PA 03 36021

  • CAS :

    1000690-91-4

  • Molecular Formula : C19H23Cl3N2O2

  • Molecular Weight : 417.76

stdClass Object
(
    [pname] => Cetirizine Propanediol Ester Impurity
    [catalogue_number] => PA 03 0361000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 446.97
    [form] => C24H31ClN2O4
    [cas] => NA
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PA 03 0361000
PA 03 0361000

Cetirizine Propanediol Ester Impurity


  • Catalogue No.:PA 03 0361000

  • CAS :

    NA

  • Molecular Formula : C24H31ClN2O4

  • Molecular Weight : 446.97

stdClass Object
(
    [pname] => Acetyl 4-Chloro Benzhydryl Piperazine
    [catalogue_number] => PA 03 0361003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 328.84
    [form] => C19H21ClN2O
    [cas] => 802859-64-9
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PA 03 0361003
PA 03 0361003

Acetyl 4-Chloro Benzhydryl Piperazine


  • Catalogue No.:PA 03 0361003

  • CAS :

    802859-64-9

  • Molecular Formula : C19H21ClN2O

  • Molecular Weight : 328.84

stdClass Object
(
    [pname] => Dichloro Cetrizine
    [catalogue_number] => PA 03 0361004
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 423.33
    [form] => C21H24Cl2N2O3
    [cas] => NA
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PA 03 0361004
PA 03 0361004

Dichloro Cetrizine


  • Catalogue No.:PA 03 0361004

  • CAS :

    NA

  • Molecular Formula : C21H24Cl2N2O3

  • Molecular Weight : 423.33

stdClass Object
(
    [pname] => 1-((4-Chlorophenyl)(phenyl)methyl)-4-nitrosopiperazine-2,2,3,3,5,5,6,6-d8
    [catalogue_number] => PA STI 089554
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    [chemical_name] => 
    [weight] => 323.85
    [form] => C17H10D8ClN3O
    [cas] => NA
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PA STI 089554
PA STI 089554

1-((4-Chlorophenyl)(phenyl)methyl)-4-nitrosopiperazine-2,2,3,3,5,5,6,6-d8


  • Catalogue No.:PA STI 089554

  • CAS :

    NA

  • Molecular Formula : C17H10D8ClN3O

  • Molecular Weight : 323.85

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