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
stdClass Object ( [pname] => Cetirizine Dihydrochloride - Impurity A (Freebase) [catalogue_number] => PA 03 36010 [category_ids] => 82,80,78,71,70 [chemical_name] => [weight] => 286.80 [form] => C17H19ClN2 [cas] => 303-26-4 [pslug] => 303-26-4-cetirizine-dihydrochloride-impurity-a-freebase-pa0336010 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36010
CAS :
Molecular Formula : C17H19ClN2
Molecular Weight : 286.80
stdClass Object ( [pname] => Cetirizine Dihydrochloride- Impurity C (Freebase) [catalogue_number] => PA 03 36031 [category_ids] => 70,71,75,78,80,82 [chemical_name] => [weight] => 388.89 [form] => C21H25ClN2O3 [cas] => 83881-59-8 [pslug] => 83881-59-8-cetirizine-dihydrochloride-impurity-c-freebase-pa0336031 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36031
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
stdClass Object ( [pname] => Cetirizine Dihydrochloride- Impurity D [catalogue_number] => PA 03 36040 [category_ids] => 82,80,78,75,70 [chemical_name] => [weight] => 560.38 [form] => C30H30Cl4N2 [cas] => 856841-95-7 [pslug] => 856841-95-7-cetirizine-dihydrochloride-impurity-d-pa0336040 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36040
Molecular Formula : C30H30Cl4N2
Molecular Weight : 560.38
stdClass Object ( [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 [pslug] => 83881-56-5-cetirizine-dihydrochloride-impurity-e-pa0336050 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36050
Molecular Formula : C23H31Cl3N2O4
Molecular Weight : 505.86
stdClass Object ( [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 [pslug] => 83881-54-3-cetirizine-dihydrochloride-impurity-f-pa0336060 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36060
Molecular Formula : C21H28Cl2N2O3
Molecular Weight : 427.36
stdClass Object ( [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 [pslug] => 83881-53-2-cetirizine-dihydrochloride-impurity-f-freebase-pa0336061 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36061
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44
stdClass Object ( [pname] => Cetirizine Dihydrochloride- Impurity G (Freebase) [catalogue_number] => PA 03 36071 [category_ids] => ,71,79,80,84, [chemical_name] => [weight] => 330.85 [form] => C19H23ClN2O [cas] => 109806-71-5 [pslug] => 109806-71-5-cetirizine-dihydrochloride-impurity-g-freebase-pa0336071 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36071
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 [pslug] => 1232460-29-5-cetirizine-3-chloro-impurity-dihydrochloride-pa0336640 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36640
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object ( [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 [pslug] => 1000690-91-4-cetirizine-impurity-b-dihydrochloride-salt-pa0336021 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 03 36021
Molecular Formula : C19H23Cl3N2O2
Molecular Weight : 417.76
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