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] => De(carboxymethoxy) Cetirizine Acetic Acid [catalogue_number] => PA 12 11020 [category_ids] => 82,78,70,75,79,71,80 [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] => 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 11020
CAS :
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
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] => (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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