Cetirizine is sold under the brand name Zyrtec among others, is a second generation antihistamine used to treat allergic rhinitis (hay fever), dermatitis, and urticaria.. Reference standards of Cetirizine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
stdClass Object ( [pname] => Cetirizine - API Standards [catalogue_number] => PA 30 51000 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 388.89 [form] => C21H25ClN2O3 [cas] => 83881-51-0 [pslug] => 83881-51-0-cetirizine-api-pa3051000 [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 30 51000
CAS :
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
stdClass Object ( [pname] => 2-(2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethanol Hydrochloride; [catalogue_number] => PA 30 51510 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 411.37 [form] => C21H28Cl2N2O2 [cas] => 1244-76-4 [pslug] => 1244-76-4-2-2-4-4-chlorophenyl-phenyl-methyl-piperazin-1-yl-ethoxy-ethanol-hydrochloride-pa3051510 [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 30 51510
Molecular Formula : C21H28Cl2N2O2
Molecular Weight : 411.37
stdClass Object ( [pname] => Cetirizine Methyl Ester [catalogue_number] => PA 30 51520 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 402.91 [form] => C22H27ClN2O3 [cas] => 83881-46-3 [pslug] => 83881-46-3-cetirizine-methyl-ester-pa3051520 [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 30 51520
Molecular Formula : C22H27ClN2O3
Molecular Weight : 402.91
stdClass Object ( [pname] => ((2R,3R,4S,5R,6S)-3,4,5-Trihydroxy-6-(((2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate Hydrochloride [catalogue_number] => PA 30 51530 [category_ids] => ,79,80,71,75,78,70,82,94, [chemical_name] => [weight] => 749.63 [form] => C33H46Cl2N2O13 [cas] => NA [pslug] => 2r-3r-4s-5r-6s-3-4-5-trihydroxy-6-2r-3s-4r-5r-6r-4-5-6-trihydroxy-2-hydroxymethyl-tetrahydro-2h-pyran-3-yl-oxy-tetrahydro-2h-pyran-2-yl-methyl-2-2-4-4-chlorophenyl-phenyl-methyl-piperazin-1-yl-ethoxy-acetate-hydrochloride-pa3051530 [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 30 51530
Molecular Formula : C33H46Cl2N2O13
Molecular Weight : 749.63
stdClass Object ( [pname] => Ethyl Ester of Cetirizine Dihydrochloride [catalogue_number] => PA 03 36550 [category_ids] => 76,80,70,78,82,71,75 [chemical_name] => [weight] => 489.86 [form] => C23H31Cl3N2O3 [cas] => 2732277-01-7 [pslug] => 2732277-01-7-ethyl-ester-of-cetirizine-dihydrochloride-pa0336550 [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 36550
Molecular Formula : C23H31Cl3N2O3
Molecular Weight : 489.86
stdClass Object ( [pname] => Methyl Ester of Cetirizine Dihydrochloride [catalogue_number] => PA 03 36570 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 475.84 [form] => C22H29Cl3N2O3 [cas] => 83881-48-5 [pslug] => 83881-48-5-methyl-ester-of-cetirizine-dihydrochloride-pa0336570 [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 36570
Molecular Formula : C22H29Cl3N2O3
Molecular Weight : 475.84
stdClass Object ( [pname] => Cetirizine Ethyl Ester [catalogue_number] => PA 03 36580 [category_ids] => 82,80,78,76,75,71,70 [chemical_name] => [weight] => 416.94 [form] => C23H29ClN2O3 [cas] => 246870-46-2 [pslug] => 246870-46-2-cetirizine-ethyl-ester-pa0336580 [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 36580
Molecular Formula : C23H29ClN2O3
Molecular Weight : 416.94
stdClass Object ( [pname] => Cetirizine Lactose Ester [catalogue_number] => PA 03 36590 [category_ids] => ,70,71,78,80,82,94,91, [chemical_name] => [weight] => 713.17 [form] => C33H45ClN2O13 [cas] => NA [pslug] => cetirizine-lactose-ester-pa0336590 [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 36590
Molecular Formula : C33H45ClN2O13
Molecular Weight : 713.17
stdClass Object ( [pname] => Cetirizine 6,6'-O-Lactose Ester (6,6'-Mixture) [catalogue_number] => PA 03 36620 [category_ids] => ,70,71,78,80,82,94,91, [chemical_name] => [weight] => 1426.34 [form] => C66H90Cl2N4O26 [cas] => NA [pslug] => cetirizine-6-6-o-lactose-ester-6-6-mixture-pa0336620 [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 36620
Molecular Formula : C66H90Cl2N4O26
Molecular Weight : 1426.34
stdClass Object ( [pname] => Cetirizine Amide Dihydrochloride [catalogue_number] => PA 03 36630 [category_ids] => ,80,71,75,78,70,82, [chemical_name] => [weight] => 460.82 [form] => C21H28Cl3N3O2 [cas] => 200707-85-3 [pslug] => 200707-85-3-cetirizine-amide-dihydrochloride-pa0336630 [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 36630
Molecular Formula : C21H28Cl3N3O2
Molecular Weight : 460.82
stdClass Object ( [pname] => Cetirizine Glycerol Ester Hydrochloride Impurity [catalogue_number] => PA 03 36650 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 499.43 [form] => C24H32Cl2N2O5 [cas] => NA [pslug] => cetirizine-glycerol-ester-hydrochloride-impurity-pa0336650 [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 36650
Molecular Formula : C24H32Cl2N2O5
Molecular Weight : 499.43
stdClass Object ( [pname] => (R)-Cetirizine Propanediol Ester [catalogue_number] => PA 03 36660 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 446.97 [form] => C24H31ClN2O4 [cas] => NA [pslug] => r-cetirizine-propanediol-ester-pa0336660 [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 36660
Molecular Formula : C24H31ClN2O4
Molecular Weight : 446.97
stdClass Object ( [pname] => (S)-Cetirizine Propanediol Ester [catalogue_number] => PA 03 36670 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 446.97 [form] => C24H31ClN2O4 [cas] => NA [pslug] => s-cetirizine-propanediol-ester-pa0336670 [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 36670
stdClass Object ( [pname] => (S)-Cetirizine Hydrochloride [catalogue_number] => PA 03 36680 [category_ids] => ,69,70,71,78,80,82, [chemical_name] => [weight] => 425.35 [form] => C21H26Cl2N2O3 [cas] => 130018-89-2 [pslug] => 130018-89-2-s-cetirizine-hydrochloride-pa0336680 [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 36680
Molecular Formula : C21H26Cl2N2O3
Molecular Weight : 425.35
stdClass Object ( [pname] => Cetirizine Glycol Ester [catalogue_number] => PA 03 36690 [category_ids] => ,69,70,71,78,80,82, [chemical_name] => [weight] => 446.97 [form] => C24H31ClN2O4 [cas] => 2705552-48-1 [pslug] => 2705552-48-1-cetirizine-glycol-ester-pa0336690 [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 36690
stdClass Object ( [pname] => (S)-Cetirizine Dihydrochloride [catalogue_number] => PA 03 36700 [category_ids] => ,69,70,71,78,80,82, [chemical_name] => [weight] => 461.81 [form] => C21H27Cl3N2O3 [cas] => 163837-48-7 [pslug] => 163837-48-7-s-cetirizine-dihydrochloride-pa0336700 [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 36700
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object ( [pname] => Cetirizine Amide [catalogue_number] => PA 03 36720 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 387.9 [form] => C21H26ClN3O2 [cas] => 83881-37-2 [pslug] => 83881-37-2-cetirizine-amide-pa0336720 [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 36720
Molecular Formula : C21H26ClN3O2
Molecular Weight : 387.9
stdClass Object ( [pname] => tert-Butyl Cetirizine-d8 [catalogue_number] => PA STI 015960 [category_ids] => ,80,71,78,70,82,98, [chemical_name] => [weight] => 453.04 [form] => C25H25D8ClN2O3 [cas] => 1189466-71-4 [pslug] => 1189466-71-4-tert-butyl-cetirizine-d8-pasti015960 [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 015960
Molecular Formula : C25H25D8ClN2O3
Molecular Weight : 453.04
stdClass Object ( [pname] => (±)-Cetirizine-d4 Dihydrochloride [catalogue_number] => PA STI 018750 [category_ids] => ,80,71,76,75,78,70,82,98, [chemical_name] => [weight] => 465.83 [form] => C21H23D4Cl3N2O3 [cas] => 1219803-84-5 [pslug] => 1219803-84-5-cetirizine-d4-dihydrochloride-pasti018750 [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 STI 018750
Molecular Formula : C21H23D4Cl3N2O3
Molecular Weight : 465.83
stdClass Object ( [pname] => Cetirizine-d8 N-(2-Ethoxyacetate) [catalogue_number] => PA STI 018780 [category_ids] => ,80,71,75,78,70,82,98, [chemical_name] => [weight] => 499.03 [form] => C25H23D8ClN2O6 [cas] => NA [pslug] => cetirizine-d8-n-2-ethoxyacetate-pasti018780 [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 018780
Molecular Formula : C25H23D8ClN2O6
Molecular Weight : 499.03
stdClass Object ( [pname] => 2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethanol-d4 [catalogue_number] => PA STI 020500 [category_ids] => ,79,80,71,75,78,70,82,98, [chemical_name] => [weight] => 334.88 [form] => C19H19D4ClN2O [cas] => 1794756-21-0 [pslug] => 1794756-21-0-2-4-4-chlorophenyl-phenylmethyl-1-piperazinyl-ethanol-d4-pasti020500 [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 020500
Molecular Formula : C19H19D4ClN2O
Molecular Weight : 334.88
stdClass Object ( [pname] => 1-[(4-Chlorophenyl)phenylmethyl]piperazine-d8 [catalogue_number] => PA STI 020570 [category_ids] => ,80,71,76,75,98, [chemical_name] => [weight] => 294.85 [form] => C17H11D8ClN2 [cas] => 1189925-23-2 [pslug] => 1189925-23-2-1-4-chlorophenyl-phenylmethyl-piperazine-d8-pasti020570 [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 020570
Molecular Formula : C17H11D8ClN2
Molecular Weight : 294.85
stdClass Object ( [pname] => Cetirizine Sorbitol Ester Hydrochloride [catalogue_number] => PA 03 36730 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 589.51 [form] => C27H38Cl2N2O8 [cas] => NA [pslug] => cetirizine-sorbitol-ester-hydrochloride-pa0336730 [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 36730
Molecular Formula : C27H38Cl2N2O8
Molecular Weight : 589.51
stdClass Object ( [pname] => 1-(2-(2-(1-Chloroethoxy)ethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine [catalogue_number] => PA 30 0511010 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 437.41 [form] => C23H30Cl2N2O2 [cas] => NA [pslug] => 1-2-2-1-chloroethoxy-ethoxy-ethyl-4-4-chlorophenyl-phenyl-methyl-piperazine-pa300511010 [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 30 0511010
Molecular Formula : C23H30Cl2N2O2
Molecular Weight : 437.41
stdClass Object ( [pname] => Cetirizine Bromo Impurity [catalogue_number] => PA 30 0511014 [category_ids] => ,80,71,76,75,78,70,82, [chemical_name] => [weight] => 433.35 [form] => C21H25BrN2O3 [cas] => NA [pslug] => cetirizine-bromo-impurity-pa300511014 [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 30 0511014
Molecular Formula : C21H25BrN2O3
Molecular Weight : 433.35
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