cetirizine dihydrochloride

Heterocycles - 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 - Impurity A (Freebase)
    [catalogue_number] => PA 03 36010
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    [weight] => 286.80
    [form] => C17H19ClN2
    [cas] => 303-26-4
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PA 03 36010
PA 03 36010

Cetirizine Dihydrochloride - Impurity A (Freebase)


  • Catalogue No.:PA 03 36010

  • CAS :

    303-26-4

  • Molecular Formula : C17H19ClN2

  • Molecular Weight : 286.80

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    [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

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    [pname] => Cetirizine Dihydrochloride- Impurity C
    [catalogue_number] => PA 03 36030
    [category_ids] => ,75,71,82,78,70,80,
    [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

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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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    [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

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    [pname] => Cetirizine Dihydrochloride- Impurity E (Freebase)
    [catalogue_number] => PA 03 36051
    [category_ids] => ,82,80,78,75,71,70,
    [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

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity F
    [catalogue_number] => PA 03 36060
    [category_ids] => ,71,70,75,78,80,82,
    [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

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    [pname] => Cetirizine Dihydrochloride- Impurity F (Freebase)
    [catalogue_number] => PA 03 36061
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    [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 Dihydrochloride - Impurity G
    [catalogue_number] => PA 03 36070
    [category_ids] => ,84,71,80,
    [chemical_name] => 
    [weight] => 403.77
    [form] => C19H25Cl3N2O
    [cas] => 164726-80-1
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PA 03 36070
PA 03 36070

Cetirizine Dihydrochloride - Impurity G


  • Catalogue No.:PA 03 36070

  • CAS :

    164726-80-1

  • Molecular Formula : C19H25Cl3N2O

  • Molecular Weight : 403.77

stdClass Object
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    [pname] => Cetirizine Dihydrochloride- Impurity G (Freebase)
    [catalogue_number] => PA 03 36071
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    [weight] => 330.85
    [form] => C19H23ClN2O
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PA 03 36071
PA 03 36071

Cetirizine Dihydrochloride- Impurity G (Freebase)


  • Catalogue No.:PA 03 36071

  • CAS :

    109806-71-5

  • Molecular Formula : C19H23ClN2O

  • Molecular Weight : 330.85

stdClass Object
(
    [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

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