A non-sedative antihistamine that belongs to third generation, Levocetirizine is active enantiomer of cetirizine. It is an inverse agonist that decreases activity at histamine H1 receptors. It is more effective than cetirizine with fewer side effects. Reference standards of Levocetirizine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Levocetirizine [catalogue_number] => PA 12 11000 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 388.89 [form] => C21H25ClN2O3 [cas] => 130018-77-8 [pslug] => 130018-77-8-levocetirizine-api-pa1211000 [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 12 11000
CAS :
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
stdClass Object ( [pname] => 1-[(4-Chloro-phenyl)-phenyl-methyl]-piperazine [catalogue_number] => PA 12 11010 [category_ids] => ,82,80,78,71,70, [chemical_name] => [weight] => 286.8 [form] => C17H19ClN2 [cas] => 303-26-4 [pslug] => 303-26-4-1-4-chloro-phenyl-phenyl-methyl-piperazine-pa1211010 [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 12 11010
Molecular Formula : C17H19ClN2
Molecular Weight : 286.8
stdClass Object ( [pname] => De(carboxymethoxy) Cetirizine Acetic Acid [catalogue_number] => PA 12 11020 [category_ids] => ,82,80,79,78,75,71,70, [chemical_name] => [weight] => 344.84 [form] => C19H21ClN2O2 [cas] => 113740-61-7 [pslug] => 113740-61-7-de-carboxymethoxy-cetirizine-acetic-acid-pa1211020 [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 12 11020
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
stdClass Object ( [pname] => Cetirizine 2-Chloro Impurity Dihydrochloride [catalogue_number] => PA 12 11030 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 461.81 [form] => C21H27Cl3N2O3 [cas] => 2702511-37-1 [pslug] => 2702511-37-1-cetirizine-2-chloro-impurity-dihydrochloride-pa1211030 [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 12 11030
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object ( [pname] => Levocetirizine Dihydrochloride - Impurity F [catalogue_number] => PA 12 11031 [category_ids] => 82,80,78,75,71,70 [chemical_name] => [weight] => 388.89 [form] => C21H25ClN2O3 [cas] => 83881-59-8 [pslug] => 83881-59-8-levocetirizine-dihydrochloride-impurity-f-pa1211031 [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 12 11031
stdClass Object ( [pname] => 1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine Dihydrochloride [catalogue_number] => PA 12 11040 [category_ids] => ,70,75,78,80,82, [chemical_name] => [weight] => 560.38 [form] => C30H30Cl4N2 [cas] => 856841-95-7 [pslug] => 856841-95-7-1-4-bis-4-chlorophenyl-phenylmethyl-piperazine-dihydrochloride-pa1211040 [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 12 11040
Molecular Formula : C30H30Cl4N2
Molecular Weight : 560.38
stdClass Object ( [pname] => 1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine [catalogue_number] => PA 12 11041 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 487.46 [form] => C30H28Cl2N2 [cas] => 346451-15-8 [pslug] => 346451-15-8-1-4-bis-4-chlorophenyl-phenylmethyl-piperazine-pa1211041 [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 12 11041
Molecular Formula : C30H28Cl2N2
Molecular Weight : 487.46
stdClass Object ( [pname] => Hydroxyzine Acetic Acid Dihydrochloride [catalogue_number] => PA 12 11050 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 505.86 [form] => C23H31Cl3N2O4 [cas] => 83881-56-5 [pslug] => 83881-56-5-hydroxyzine-acetic-acid-dihydrochloride-pa1211050 [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 12 11050
Molecular Formula : C23H31Cl3N2O4
Molecular Weight : 505.86
stdClass Object ( [pname] => Hydroxyzine Acetic Acid [catalogue_number] => PA 12 11051 [category_ids] => 70,71,75,78,80,82 [chemical_name] => [weight] => 432.94 [form] => C23H29ClN2O4 [cas] => 682323-77-9 [pslug] => 682323-77-9-hydroxyzine-acetic-acid-pa1211051 [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 12 11051
Molecular Formula : C23H29ClN2O4
Molecular Weight : 432.94
stdClass Object ( [pname] => Deschloro Cetirizine Dihydrochloride [catalogue_number] => PA 12 11060 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 427.36 [form] => C21H28Cl2N2O3 [cas] => 83881-54-3 [pslug] => 83881-54-3-deschloro-cetirizine-dihydrochloride-pa1211060 [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 12 11060
Molecular Formula : C21H28Cl2N2O3
Molecular Weight : 427.36
stdClass Object ( [pname] => Deschloro Cetirizine [catalogue_number] => PA 12 11061 [category_ids] => ,71,80,84, [chemical_name] => [weight] => 354.44 [form] => C21H26N2O3 [cas] => 83881-53-2 [pslug] => 83881-53-2-deschloro-cetirizine-pa1211061 [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 12 11061
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44
stdClass Object ( [pname] => 2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethanol Dihydrochloride [catalogue_number] => PA 12 11070 [category_ids] => 84,80,71 [chemical_name] => [weight] => 403.77 [form] => C19H25Cl3N2O [cas] => 164726-80-1 [pslug] => 164726-80-1-2-4-4-chlorophenyl-phenylmethyl-piperazin-1-yl-ethanol-dihydrochloride-pa1211070 [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 12 11070
Molecular Formula : C19H25Cl3N2O
Molecular Weight : 403.77
stdClass Object ( [pname] => Levocetirizine Dihydrochloride [catalogue_number] => PA 12 11510 [category_ids] => 69,82,80,78,71,70 [chemical_name] => [weight] => 461.81 [form] => C21H27Cl3N2O3 [cas] => 130018-87-0 [pslug] => 130018-87-0-levocetirizine-dihydrochloride-api-pa1211510 [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 12 11510
stdClass Object ( [pname] => p-Chlorobenzophenone [catalogue_number] => PA 12 11530 [category_ids] => ,80,78,70,82, [chemical_name] => [weight] => 216.66 [form] => C13H9ClO [cas] => 134-85-0 [pslug] => 134-85-0-p-chlorobenzophenone-pa1211530 [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 12 11530
Molecular Formula : C13H9ClO
Molecular Weight : 216.66
stdClass Object ( [pname] => p-Chlorobenzhydrol [catalogue_number] => PA 12 11540 [category_ids] => ,80,78,70,82, [chemical_name] => [weight] => 218.68 [form] => C13H11ClO [cas] => 119-56-2 [pslug] => 119-56-2-p-chlorobenzhydrol-pa1211540 [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 12 11540
Molecular Formula : C13H11ClO
Molecular Weight : 218.68
stdClass Object ( [pname] => Cetirizine Polyethylene Glycol (PEG) Ester [catalogue_number] => PA 12 11560 [category_ids] => ,80,74,78,70,82, [chemical_name] => [weight] => 432.94 [form] => C21H25ClN2O3[C2H4O]n [cas] => 1509941-93-8 [pslug] => 1509941-93-8-cetirizine-polyethylene-glycol-peg-ester-pa1211560 [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 12 11560
Molecular Formula : C21H25ClN2O3[C2H4O]n
stdClass Object ( [pname] => (R)-(4-Chlorophenyl)(phenyl)methanamine [catalogue_number] => PA 12 11580 [category_ids] => ,79,80,71,75,78,70,82, [chemical_name] => [weight] => 217.69 [form] => C13H12ClN [cas] => 163837-57-8 [pslug] => 163837-57-8-r-4-chlorophenyl-phenyl-methanamine-pa1211580 [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 12 11580
Molecular Formula : C13H12ClN
Molecular Weight : 217.69
stdClass Object ( [pname] => Levocetirizine N-benzyl Amide [catalogue_number] => PA 12 11590 [category_ids] => ,92,79,80,71,75,78,70,82, [chemical_name] => [weight] => 478.03 [form] => C28H32ClN3O2 [cas] => 1150310-68-1 [pslug] => 1150310-68-1-levocetirizine-n-benzyl-amide-pa1211590 [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 12 11590
Molecular Formula : C28H32ClN3O2
Molecular Weight : 478.03
stdClass Object ( [pname] => 4-Chlorobenzhydrylamine Hydrochloride [catalogue_number] => PA 12 11610 [category_ids] => ,79,80,71,75,78,70,82, [chemical_name] => [weight] => 254.16 [form] => C13H13Cl2N [cas] => 5267-39-0 [pslug] => 5267-39-0-4-chlorobenzhydrylamine-hydrochloride-pa1211610 [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 12 11610
Molecular Formula : C13H13Cl2N
Molecular Weight : 254.16
stdClass Object ( [pname] => Levocetirizine Dihydrochloride - Impurity F (Hydrochloride Salt) [catalogue_number] => PA 12 0110060 [category_ids] => ,70,71,75,78,80,82, [chemical_name] => [weight] => 425.35 [form] => C21H26Cl2N2O3 [cas] => 2748607-26-1 [pslug] => 2748607-26-1-levocetirizine-dihydrochloride-impurity-f-hydrochloride-salt-pa120110060 [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 12 0110060
Molecular Formula : C21H26Cl2N2O3
Molecular Weight : 425.35
stdClass Object ( [pname] => 1-((4-Chlorophenyl)(phenyl)methyl)-4-(2-hydroxyethyl)piperazin-2-one [catalogue_number] => PA 12 0111009 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 344.84 [form] => C19H21ClN2O2 [cas] => NA [pslug] => 1-4-chlorophenyl-phenyl-methyl-4-2-hydroxyethyl-piperazin-2-one-pa120111009 [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 12 0111009
stdClass Object ( [pname] => 1-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)-2-hydroxyethan-1-one [catalogue_number] => PA 12 0111008 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 344.84 [form] => C19H21ClN2O2 [cas] => 2433583-58-3 [pslug] => 2433583-58-3-1-4-4-chlorophenyl-phenyl-methyl-piperazin-1-yl-2-hydroxyethan-1-one-pa120111008 [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 12 0111008
stdClass Object ( [pname] => 4-((4-Chlorophenyl)(phenyl)methyl)-1-(2-hydroxyethyl)piperazin-2-one [catalogue_number] => PA 12 0111007 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 344.84 [form] => C19H21ClN2O2 [cas] => NA [pslug] => 4-4-chlorophenyl-phenyl-methyl-1-2-hydroxyethyl-piperazin-2-one-pa120111007 [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 12 0111007
stdClass Object ( [pname] => Levocetirizine Ethyl Ester [catalogue_number] => PA 12 0111010 [category_ids] => ,80,69,71,78,70,82, [chemical_name] => [weight] => 416.95 [form] => C23H29ClN2O3 [cas] => 1116338-10-3 [pslug] => 1116338-10-3-levocetirizine-ethyl-ester-pa120111010 [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 12 0111010
Molecular Formula : C23H29ClN2O3
Molecular Weight : 416.95
stdClass Object ( [pname] => (R)-(4-Chlorophenyl)(phenyl)methanamine (2R,3R)-2,3-dihydroxysuccinate [catalogue_number] => PA 12 0111011 [category_ids] => ,79,80,71,75,78,70,82, [chemical_name] => [weight] => 367.78 [form] => C17H18ClNO6 [cas] => 1159295-40-5 [pslug] => 1159295-40-5-r-4-chlorophenyl-phenyl-methanamine-2r-3r-2-3-dihydroxysuccinate-pa120111011 [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 12 0111011
Molecular Formula : C17H18ClNO6
Molecular Weight : 367.78
stdClass Object ( [pname] => (R)-1-((4-Chlorophenyl)(phenyl)methyl)-4-tosylpiperazine [catalogue_number] => PA 12 0111012 [category_ids] => ,79,80,71,75,78,70,82, [chemical_name] => [weight] => 440.99 [form] => C24H25ClN2O2S [cas] => 942283-97-8 [pslug] => 942283-97-8-r-1-4-chlorophenyl-phenyl-methyl-4-tosylpiperazine-pa120111012 [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 12 0111012
Molecular Formula : C24H25ClN2O2S
Molecular Weight : 440.99
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