levocetirizine
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.
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[pname] => Levocetirizine
[catalogue_number] => PA 12 11000
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[weight] => 388.89
[form] => C21H25ClN2O3
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Catalogue No.:PA 12 11000
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
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[pname] => 1-[(4-Chloro-phenyl)-phenyl-methyl]-piperazine
[catalogue_number] => PA 12 11010
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[weight] => 286.8
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1-[(4-Chloro-phenyl)-phenyl-methyl]-piperazine
stdClass Object
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[pname] => De(carboxymethoxy) Cetirizine Acetic Acid
[catalogue_number] => PA 12 11020
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[weight] => 344.84
[form] => C19H21ClN2O2
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De(carboxymethoxy) Cetirizine Acetic Acid
Catalogue No.:PA 12 11020
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
stdClass Object
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[pname] => Cetirizine 2-Chloro Impurity Dihydrochloride
[catalogue_number] => PA 12 11030
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[weight] => 461.81
[form] => C21H27Cl3N2O3
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Cetirizine 2-Chloro Impurity Dihydrochloride
Catalogue No.:PA 12 11030
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object
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[pname] => Levocetirizine Dihydrochloride - Impurity F
[catalogue_number] => PA 12 11031
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[weight] => 388.89
[form] => C21H25ClN2O3
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Levocetirizine Dihydrochloride - Impurity F
Catalogue No.:PA 12 11031
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
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[catalogue_number] => PA 12 11041
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[form] => C30H28Cl2N2
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1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine
Catalogue No.:PA 12 11041
Molecular Formula : C30H28Cl2N2
Molecular Weight : 487.46
stdClass Object
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[pname] => Hydroxyzine Acetic Acid Dihydrochloride
[catalogue_number] => PA 12 11050
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Hydroxyzine Acetic Acid Dihydrochloride
Catalogue No.:PA 12 11050
Molecular Formula : C23H31Cl3N2O4
Molecular Weight : 505.86
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[pname] => Hydroxyzine Acetic Acid
[catalogue_number] => PA 12 11051
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Catalogue No.:PA 12 11051
Molecular Formula : C23H29ClN2O4
Molecular Weight : 432.94
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Deschloro Cetirizine Dihydrochloride
Catalogue No.:PA 12 11060
Molecular Formula : C21H28Cl2N2O3
Molecular Weight : 427.36
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[form] => C21H26N2O3
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Catalogue No.:PA 12 11061
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44
stdClass Object
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[weight] => 461.81
[form] => C21H27Cl3N2O3
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Levocetirizine Dihydrochloride
Catalogue No.:PA 12 11510
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
stdClass Object
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[catalogue_number] => PA 12 11580
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[weight] => 217.69
[form] => C13H12ClN
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(R)-(4-Chlorophenyl)(phenyl)methanamine
Catalogue No.:PA 12 11580
Molecular Formula : C13H12ClN
Molecular Weight : 217.69
stdClass Object
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[catalogue_number] => PA 12 11590
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[weight] => 478.03
[form] => C28H32ClN3O2
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Levocetirizine N-benzyl Amide
Catalogue No.:PA 12 11590
Molecular Formula : C28H32ClN3O2
Molecular Weight : 478.03
stdClass Object
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[pname] => 4-Chlorobenzhydrylamine Hydrochloride
[catalogue_number] => PA 12 11610
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[weight] => 254.16
[form] => C13H13Cl2N
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4-Chlorobenzhydrylamine Hydrochloride
Catalogue No.:PA 12 11610
Molecular Formula : C13H13Cl2N
Molecular Weight : 254.16
stdClass Object
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[pname] => Levocetirizine Dihydrochloride - Impurity F (Hydrochloride Salt)
[catalogue_number] => PA 12 0110060
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[weight] => 425.35
[form] => C21H26Cl2N2O3
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Levocetirizine Dihydrochloride - Impurity F (Hydrochloride Salt)
Catalogue No.:PA 12 0110060
Molecular Formula : C21H26Cl2N2O3
Molecular Weight : 425.35
stdClass Object
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[weight] => 344.84
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1-((4-Chlorophenyl)(phenyl)methyl)-4-(2-hydroxyethyl)piperazin-2-one
Catalogue No.:PA 12 0111009
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
stdClass Object
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1-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)-2-hydroxyethan-1-one
Catalogue No.:PA 12 0111008
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
stdClass Object
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4-((4-Chlorophenyl)(phenyl)methyl)-1-(2-hydroxyethyl)piperazin-2-one
Catalogue No.:PA 12 0111007
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
stdClass Object
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[pname] => Levocetirizine Ethyl Ester
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Levocetirizine Ethyl Ester
Catalogue No.:PA 12 0111010
Molecular Formula : C23H29ClN2O3
Molecular Weight : 416.95
stdClass Object
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[chemical_name] =>
[weight] => 367.78
[form] => C17H18ClNO6
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(R)-(4-Chlorophenyl)(phenyl)methanamine (2R,3R)-2,3-dihydroxysuccinate
Catalogue No.:PA 12 0111011
Molecular Formula : C17H18ClNO6
Molecular Weight : 367.78
stdClass Object
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[chemical_name] =>
[weight] => 440.99
[form] => C24H25ClN2O2S
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(R)-1-((4-Chlorophenyl)(phenyl)methyl)-4-tosylpiperazine
Catalogue No.:PA 12 0111012
Molecular Formula : C24H25ClN2O2S
Molecular Weight : 440.99
