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.
Levocetirizine
Catalogue No.:PA 12 11000
CAS :
Molecular Formula : C21H25ClN2O3
Molecular Weight : 388.89
1-[(4-Chloro-phenyl)-phenyl-methyl]-piperazine
Catalogue No.:PA 12 11010
Molecular Formula : C17H19ClN2
Molecular Weight : 286.8
De(carboxymethoxy) Cetirizine Acetic Acid
Catalogue No.:PA 12 11020
Molecular Formula : C19H21ClN2O2
Molecular Weight : 344.84
Cetirizine 2-Chloro Impurity Dihydrochloride
Catalogue No.:PA 12 11030
Molecular Formula : C21H27Cl3N2O3
Molecular Weight : 461.81
[2-[4-[(Ξ)-(2-Chlorophenyl)(phenyl)methyl]piperazin-1-yl]ethoxy]acetic Acid
Catalogue No.:PA 12 11031
1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine Dihydrochloride
Catalogue No.:PA 12 11040
Molecular Formula : C30H30Cl4N2
Molecular Weight : 560.38
1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine
Catalogue No.:PA 12 11041
Molecular Formula : C30H28Cl2N2
Molecular Weight : 487.46
Hydroxyzine Acetic Acid Dihydrochloride
Catalogue No.:PA 12 11050
Molecular Formula : C23H31Cl3N2O4
Molecular Weight : 505.86
Hydroxyzine Acetic Acid
Catalogue No.:PA 12 11051
Molecular Formula : C23H29ClN2O4
Molecular Weight : 432.94
Deschloro Cetirizine Dihydrochloride
Catalogue No.:PA 12 11060
Molecular Formula : C21H28Cl2N2O3
Molecular Weight : 427.36
Deschloro Cetirizine
Catalogue No.:PA 12 11061
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44
2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethanol Dihydrochloride
Catalogue No.:PA 12 11070
Molecular Formula : C19H25Cl3N2O
Molecular Weight : 403.77
2-[4-[(RS)-(4-Chlorophenyl)(phenyl)methyl]piperazin-1-yl]ethan-1-ol Hydrochloride
Catalogue No.:PA 12 11071
Molecular Formula : C19H24Cl2N2O
Molecular Weight : 367.31
Levocetirizine Dihydrochloride
Catalogue No.:PA 12 11510
Levocetirizine N-Oxide
Catalogue No.:PA 12 11520
Molecular Formula : C21H25ClN2O4
Molecular Weight : 404.89
p-Chlorobenzophenone
Catalogue No.:PA 12 11530
Molecular Formula : C13H9ClO
Molecular Weight : 216.66
p-Chlorobenzhydrol
Catalogue No.:PA 12 11540
Molecular Formula : C13H11ClO
Molecular Weight : 218.68
Cetirizine Polyethylene Glycol (PEG) Ester
Catalogue No.:PA 12 11560
Molecular Formula : C21H25ClN2O3[C2H4O]n
(S)-Cetirizine Dihydrochloride
Catalogue No.:PA 12 11570
(R)-(4-Chlorophenyl)(phenyl)methanamine
Catalogue No.:PA 12 11580
Molecular Formula : C13H12ClN
Molecular Weight : 217.69
Levocetirizine N-benzyl Amide
Catalogue No.:PA 12 11590
Molecular Formula : C28H32ClN3O2
Molecular Weight : 478.03
2-[2-[4-[(R)-(4-Chlorophenyl)(phenyl)methyl]piperazin-1-yl]ethoxy]acetamide
Catalogue No.:PA 12 11600
Molecular Formula : C21H26ClN3O2
Molecular Weight : 387.91
4-Chlorobenzhydrylamine Hydrochloride
Catalogue No.:PA 12 11610
Molecular Formula : C13H13Cl2N
Molecular Weight : 254.16
1-(Benzenesulfonyl)-4-[(Ξ)-(4-chlorophenyl)(phenyl)methyl]piperazine
Catalogue No.:PA 12 11620
Molecular Formula : C23H23ClN2O2S
Molecular Weight : 426.96
20-Hydroxy-3,6,9,12,15,18-hexaoxaicosyl (R)-2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethaneperoxoate compound with Ethene (1:1)
Catalogue No.:PA 12 11630
Molecular Formula : C37H57ClN2O11
Molecular Weight : 741.32
1-Chloro-4-(chlorophenylmethyl)benzene
Catalogue No.:PA 12 11640
Molecular Formula : C13H10Cl2
Molecular Weight : 237.12
Catalogue No.:PA IPIPRS 72 14
Molecular Formula :
Molecular Weight : NA
Levocetirizine Amide (1359958)
Catalogue No.:PA USP1359958
Molecular Formula : NA
Levocetirizine Dihydrochloride (1359969)
Catalogue No.:PA USP1359969
Cetirizine 3-Chloro
Catalogue No.:PA 12 0111000
(R)-De(carboxymethoxy) Cetirizine Acetic Acid
Catalogue No.:PA 12 0111001
N,N’-Dibenzylglycinamide
Catalogue No.:PA 12 0111002
Molecular Formula : C16H18N2O
Molecular Weight : 254.33
(R)-2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid hydrochloride
Catalogue No.:PA 12 0111003
Molecular Formula : C19H22Cl2N2O2
Molecular Weight : 381.3
2-(2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)-2-oxoethoxy)acetic Acid
Catalogue No.:PA 12 0111004
Molecular Formula : C21H23ClN2O4
Molecular Weight : 402.88
(S)-2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic Acid
Catalogue No.:PA 12 0111005
(S)-Cetirizine
Catalogue No.:PA 12 0110010
Catalogue No.:PA 12 0110040
Cetirizine N-(2-Ethoxyacetate)
Catalogue No.:PA 12 0110050
Molecular Formula : C25H31ClN2O6
Molecular Weight : 490.98
[2-[4-[(Ξ)-(2-Chlorophenyl)(phenyl)methyl]piperazin-1-yl]ethoxy]acetic Acid Hydrochloride
Catalogue No.:PA 12 0110060
Molecular Formula : C21H26Cl2N2O3
Molecular Weight : 425.35
2-[4-[(RS)-(4-Chlorophenyl)(phenyl)methyl]piperazin-1-yl]ethan-1-ol
Catalogue No.:PA 12 0110080
Molecular Formula : C19H23ClN2O
Molecular Weight : 330.86
1-[(R)-(4-Chlorophenyl)(phenyl)methyl]piperazine
Catalogue No.:PA 12 0110090
1-((4-Chlorophenyl)(phenyl)methyl)-4-(2-hydroxyethyl)piperazin-2-one
Catalogue No.:PA 12 0111009
1-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)-2-hydroxyethan-1-one
Catalogue No.:PA 12 0111008
4-((4-Chlorophenyl)(phenyl)methyl)-1-(2-hydroxyethyl)piperazin-2-one
Catalogue No.:PA 12 0111007
Levocetirizine Ethyl Ester
Catalogue No.:PA 12 0111010
Molecular Formula : C23H29ClN2O3
Molecular Weight : 416.95
(R)-(4-Chlorophenyl)(phenyl)methanamine (2R,3R)-2,3-dihydroxysuccinate
Catalogue No.:PA 12 0111011
Molecular Formula : C17H18ClNO6
Molecular Weight : 367.78
(R)-1-((4-Chlorophenyl)(phenyl)methyl)-4-tosylpiperazine
Catalogue No.:PA 12 0111012
Molecular Formula : C24H25ClN2O2S
Molecular Weight : 440.99
Levocetirizine Amide (IMPC043)
Catalogue No.:PA IMPC043
(R)-N-(2-chloroethyl)-N-(2-(((4-chlorophenyl)(phenyl)methyl)amino)ethyl)-4-methylbenzenesulfonamide
Catalogue No.:PA 12 0111013
Molecular Formula : C24H26Cl2N2O2S
Molecular Weight : 477.44
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