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 - API Standards [catalogue_number] => PA 03 36000 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 461.81 [form] => C21H27Cl3N2O3 [cas] => 83881-52-1 [pslug] => 83881-52-1-cetirizine-dihydrochloride-api-pa0336000 [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 36000
CAS :
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object ( [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 [pslug] => 2702511-37-1-cetirizine-dihydrochloride-impurity-c-pa0336030 [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 36030
stdClass Object ( [pname] => Cetirizine Dihydrochloride- Impurity E (Freebase) [catalogue_number] => PA 03 36051 [category_ids] => 80,71,70,82,78,75 [chemical_name] => [weight] => 432.94 [form] => C23H29ClN2O4 [cas] => 682323-77-9 [pslug] => 682323-77-9-cetirizine-dihydrochloride-impurity-e-freebase-pa0336051 [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 36051
Molecular Formula : C23H29ClN2O4
Molecular Weight : 432.94
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
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
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 [pslug] => cetirizine-propanediol-ester-impurity-pa030361000 [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 0361000
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 [pslug] => 802859-64-9-acetyl-4-chloro-benzhydryl-piperazine-pa030361003 [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 0361003
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 [pslug] => dichloro-cetrizine-pa030361004 [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 0361004
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 [category_ids] => ,98,75,76,78,82, [chemical_name] => [weight] => 323.85 [form] => C17H10D8ClN3O [cas] => NA [pslug] => 1-4-chlorophenyl-phenyl-methyl-4-nitrosopiperazine-2-2-3-3-5-5-6-6-d8-pasti089554 [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 STI 089554
Molecular Formula : C17H10D8ClN3O
Molecular Weight : 323.85
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