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Stable Isotopes And Metabolites

Cetirizine D4

Picture of Cetirizine D4
CAT No: SZ-C032D01
CAS No: 1219803-84-5
Mol.F. : C21H21D4ClN2O3
Mol.Wt. : 392.92
Inv. Status: Custom Synthesis
SZ-C032D01
CAS No:1219803-84-5
Mol.F.: C21H21D4ClN2O3
Mol.Wt.: 392.92
Inv. Status: Custom Synthesis

Cetirizine D8

Picture of Cetirizine D8
CAT No: SZ-C032D02
CAS No: 774596-22-4
Mol.F. : C21H17D8ClN2O3
Mol.Wt. : 396.94
Inv. Status: Custom Synthesis
SZ-C032D02
CAS No:774596-22-4
Mol.F.: C21H17D8ClN2O3
Mol.Wt.: 396.94
Inv. Status: Custom Synthesis

1-[(4-Chlorophenyl)phenylmethyl]piperazine D8

Picture of 1-[(4-Chlorophenyl)phenylmethyl]piperazine D8
CAT No: SZ-C032D03
CAS No: 1189925-23-2
Mol.F. : C17H11D8ClN2
Mol.Wt. : 294.85
Inv. Status: Custom Synthesis
SZ-C032D03
CAS No:1189925-23-2
Mol.F.: C17H11D8ClN2
Mol.Wt.: 294.85
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

Cetirizine Dihydrochloride

Picture of Cetirizine Dihydrochloride
CAT No: SZ-C032001
CAS No: 83881-52-1
Mol.F. : C21H25ClN2O3 : 2(HCl)
Mol.Wt. : 388.9 : 2(36.5)
Inv. Status: In Stock
SZ-C032001
CAS No:83881-52-1
Mol.F.: C21H25ClN2O3 : 2(HCl)
Mol.Wt.: 388.9 : 2(36.5)
Inv. Status: In Stock

Cetirizine EP Impurity B

Picture of Cetirizine EP Impurity B
CAT No: SZ-C032003
CAS No: 113740-61-7
Mol.F. : C19H21ClN2O2
Mol.Wt. : 344.8
Inv. Status: In Stock
Same As : SZ-L045009,
SZ-C032003
CAS No:113740-61-7
Mol.F.: C19H21ClN2O2
Mol.Wt.: 344.8
Inv. Status: In Stock
Same As : SZ-L045009,

Cetirizine EP Impurity C

Picture of Cetirizine EP Impurity C
CAT No: SZ-C032004
CAS No: 83881-59-8
Mol.F. : C21H25ClN2O3
Mol.Wt. : 388.89
Inv. Status: In Stock
Same As : SZ-L045010,
SZ-C032004
CAS No:83881-59-8
Mol.F.: C21H25ClN2O3
Mol.Wt.: 388.89
Inv. Status: In Stock
Same As : SZ-L045010,

Cetirizine EP Impurity E 

Picture of Cetirizine EP Impurity E 
CAT No: SZ-C032006
CAS No: 682323-77-9
Mol.F. : C23H29ClN2O4
Mol.Wt. : 432.94
Inv. Status: In Stock
Same As : SZ-L045012,
SZ-C032006
CAS No:682323-77-9
Mol.F.: C23H29ClN2O4
Mol.Wt.: 432.94
Inv. Status: In Stock
Same As : SZ-L045012,

Cetirizine EP Impurity F

Picture of Cetirizine EP Impurity F
CAT No: SZ-C032007
CAS No: 83881-53-2
Mol.F. : C21H26N2O3
Mol.Wt. : 354.5
Inv. Status: In Stock
Same As : SZ-L045013,
SZ-C032007
CAS No:83881-53-2
Mol.F.: C21H26N2O3
Mol.Wt.: 354.5
Inv. Status: In Stock
Same As : SZ-L045013,

Cetirizine EP Impurity G

Picture of Cetirizine EP Impurity G
CAT No: SZ-C032008
CAS No: 164726-80-1
Mol.F. : C19H23ClN2O . 2HCl
Mol.Wt. : 330.86 . 2(36.46)
Inv. Status: In Stock
SZ-C032008
CAS No:164726-80-1
Mol.F.: C19H23ClN2O . 2HCl
Mol.Wt.: 330.86 . 2(36.46)
Inv. Status: In Stock

Cetirizine Methyl Ester (USP)

Picture of Cetirizine Methyl Ester (USP)
CAT No: SZ-C032009
CAS No: 83881-48-5
Mol.F. : C22H27ClN2O3 : 2HCl
Mol.Wt. : 402.9 : 2(36.5)
Inv. Status: In Stock
SZ-C032009
CAS No:83881-48-5
Mol.F.: C22H27ClN2O3 : 2HCl
Mol.Wt.: 402.9 : 2(36.5)
Inv. Status: In Stock

Cetirizine EP Impurity B Ethyl Ester

Picture of Cetirizine EP Impurity B Ethyl Ester
CAT No: SZ-C032010
CAS No: 19178-83-7
Mol.F. : C21H25ClN2O2
Mol.Wt. : 372.89
Inv. Status: Custom Synthesis
SZ-C032010
CAS No:19178-83-7
Mol.F.: C21H25ClN2O2
Mol.Wt.: 372.89
Inv. Status: Custom Synthesis

Cetirizine USP RC A

Picture of Cetirizine USP RC A
CAT No: SZ-C032011
CAS No: NA
Mol.F. : C23H29ClN2O3 : 2(HCl)
Mol.Wt. : 416.9 : 2(36.5)
Inv. Status: Custom Synthesis
SZ-C032011
CAS No:NA
Mol.F.: C23H29ClN2O3 : 2(HCl)
Mol.Wt.: 416.9 : 2(36.5)
Inv. Status: Custom Synthesis

Cetirizine USP RC B 

Picture of Cetirizine USP RC B 
CAT No: SZ-C032012
CAS No: 108983-83-1
Mol.F. : C19H24N2O : 2(HCl)
Mol.Wt. : 296.4 : 2(36.5)
Inv. Status: Custom Synthesis
SZ-C032012
CAS No:108983-83-1
Mol.F.: C19H24N2O : 2(HCl)
Mol.Wt.: 296.4 : 2(36.5)
Inv. Status: Custom Synthesis

Cetirizine USP Related Compound C

Picture of Cetirizine USP Related Compound C
CAT No: SZ-C032013
CAS No: 83881-37-2
Mol.F. : C21H26ClN3O2
Mol.Wt. : 387.9
Inv. Status: In Stock
SZ-C032013
CAS No:83881-37-2
Mol.F.: C21H26ClN3O2
Mol.Wt.: 387.9
Inv. Status: In Stock

Cetirizine 3-Chloro Impurity 

Picture of Cetirizine 3-Chloro Impurity 
CAT No: SZ-C032016
CAS No: 1232460-29-5
Mol.F. : C21H25ClN2O3 : 2(HCl)
Mol.Wt. : 388.9 : 2(36.5)
Inv. Status: Custom Synthesis
SZ-C032016
CAS No:1232460-29-5
Mol.F.: C21H25ClN2O3 : 2(HCl)
Mol.Wt.: 388.9 : 2(36.5)
Inv. Status: Custom Synthesis

Cetirizine R-Isomer

Picture of Cetirizine R-Isomer
CAT No: SZ-C032017
CAS No: 130018-87-0
Mol.F. : C21H27Cl3N2O3
Mol.Wt. : 461.81
Inv. Status: Out of Stock
Same As : SZ-L045002,
SZ-C032017
CAS No:130018-87-0
Mol.F.: C21H27Cl3N2O3
Mol.Wt.: 461.81
Inv. Status: Out of Stock
Same As : SZ-L045002,

Cetirizine S-Isomer

Picture of Cetirizine S-Isomer
CAT No: SZ-C032018
CAS No: 163837-48-7
Mol.F. : C21H25ClN2O3 : 2(HCl)
Mol.Wt. : 388.9 : 2(36.5)
Inv. Status: Out of Stock, Under Synthesis
SZ-C032018
CAS No:163837-48-7
Mol.F.: C21H25ClN2O3 : 2(HCl)
Mol.Wt.: 388.9 : 2(36.5)
Inv. Status: Out of Stock, Under Synthesis

Cetirizine N-Oxide

Picture of Cetirizine N-Oxide
CAT No: SZ-C032019
CAS No:  1076199-80-8
Mol.F. : C21H25ClN2O4
Mol.Wt. : 404.89
Inv. Status: Out of Stock, Under Synthesis
SZ-C032019
CAS No: 1076199-80-8
Mol.F.: C21H25ClN2O4
Mol.Wt.: 404.89
Inv. Status: Out of Stock, Under Synthesis

Cetirizine Sorbitol Ester Impurity

Picture of Cetirizine Sorbitol Ester Impurity
CAT No: SZ-C032020
CAS No: 13848888-64-5
Mol.F. : C27H37ClN2O8
Mol.Wt. : 553.04
Inv. Status: In Stock
SZ-C032020
CAS No:13848888-64-5
Mol.F.: C27H37ClN2O8
Mol.Wt.: 553.04
Inv. Status: In Stock

Cetirizine Lactose Ester

Picture of Cetirizine Lactose Ester
CAT No: SZ-C032021
CAS No: NA
Mol.F. : C33H45ClN2O13
Mol.Wt. : 713.2
Inv. Status: Out of Stock, Under Synthesis
SZ-C032021
CAS No:NA
Mol.F.: C33H45ClN2O13
Mol.Wt.: 713.2
Inv. Status: Out of Stock, Under Synthesis

Cetirizine impurity 2

Picture of Cetirizine impurity 2
CAT No: SZ-C032023
CAS No: 1391052-52-0
Mol.F. : C23H23ClN2O2S
Mol.Wt. : 426.96
Inv. Status: In Stock
SZ-C032023
CAS No:1391052-52-0
Mol.F.: C23H23ClN2O2S
Mol.Wt.: 426.96
Inv. Status: In Stock

Cetirizine Glycerol Ester 

Picture of Cetirizine Glycerol Ester 
CAT No: SZ-C032024
CAS No: 1243652-36-9
Mol.F. : C24H31ClN2O5
Mol.Wt. : 462.97
Inv. Status: In Stock
SZ-C032024
CAS No:1243652-36-9
Mol.F.: C24H31ClN2O5
Mol.Wt.: 462.97
Inv. Status: In Stock

Cetirizine Polyethylene Glycol

Picture of Cetirizine Polyethylene Glycol
CAT No: SZ-C032027
CAS No: 1509941-93-8
Mol.F. : C21H25ClN2O3(C2H4O)n
Mol.Wt. : 432.9
Inv. Status: Under Synthesis
SZ-C032027
CAS No:1509941-93-8
Mol.F.: C21H25ClN2O3(C2H4O)n 
Mol.Wt.: 432.9
Inv. Status: Under Synthesis

Cetirizine Impurity 3

Picture of Cetirizine Impurity 3
CAT No: SZ-C032028
CAS No: 134978-97-5
Mol.F. : C6H13NO4
Mol.Wt. : 163.2
Inv. Status: Under Synthesis
Rel. CAS No : 134979-01-4 (HCl salt) ; 170304-78-6 (TFA salt)
SZ-C032028
CAS No:134978-97-5
Mol.F.: C6H13NO4
Mol.Wt.: 163.2
Inv. Status: Under Synthesis
Rel. CAS No : 134979-01-4 (HCl salt) ; 170304-78-6 (TFA salt)

Cetirizine Propanediol Ester Impurity

Picture of Cetirizine Propanediol Ester Impurity
CAT No: SZ-C032029
CAS No: NA
Mol.F. : C24H31ClN2O4
Mol.Wt. : 447
Inv. Status: Custom Synthesis
SZ-C032029
CAS No:NA
Mol.F.: C24H31ClN2O4
Mol.Wt.: 447
Inv. Status: Custom Synthesis

Cetirizine Impurity 4

Picture of Cetirizine Impurity 4
CAT No: SZ-C032030
CAS No: NA
Mol.F. : C38H42Cl2N4O2
Mol.Wt. : 657.7
Inv. Status: Custom Synthesis
SZ-C032030
CAS No:NA
Mol.F.: C38H42Cl2N4O2
Mol.Wt.: 657.7
Inv. Status: Custom Synthesis

Cetirizine Impurity 5

Picture of Cetirizine Impurity 5
CAT No: SZ-C032031
CAS No: NA
Mol.F. : C21H24Cl2N2O3
Mol.Wt. : 423.3
Inv. Status: Custom Synthesis
SZ-C032031
CAS No:NA
Mol.F.: C21H24Cl2N2O3
Mol.Wt.: 423.3
Inv. Status: Custom Synthesis

Cetirizine Impurity 6

Picture of Cetirizine Impurity 6
CAT No: SZ-C032032
CAS No: NA
Mol.F. : C19H20Cl2N2O2
Mol.Wt. : 379.3
Inv. Status: Custom Synthesis
SZ-C032032
CAS No:NA
Mol.F.: C19H20Cl2N2O2
Mol.Wt.: 379.3
Inv. Status: Custom Synthesis

Cetirizine Impurity 7

Picture of Cetirizine Impurity 7
CAT No: SZ-C032033
CAS No: 82-93-9
Mol.F. : C18H21ClN2
Mol.Wt. : 300.8
Inv. Status: Custom Synthesis
Rel. CAS No : 1620-21-9 (HCl salt)
SZ-C032033
CAS No:82-93-9
Mol.F.: C18H21ClN2
Mol.Wt.: 300.8
Inv. Status: Custom Synthesis
Rel. CAS No : 1620-21-9 (HCl salt)

Cetirizine Impurity 8

Picture of Cetirizine Impurity 8
CAT No: SZ-C032034
CAS No: NA
Mol.F. : C21H25ClN2O
Mol.Wt. : 356.9
Inv. Status: Custom Synthesis
SZ-C032034
CAS No:NA
Mol.F.: C21H25ClN2O
Mol.Wt.: 356.9
Inv. Status: Custom Synthesis

Cetirizine

Picture of Cetirizine
CAT No: SZ-C032035
CAS No: 83881-51-0
Mol.F. : C21H25ClN2O3
Mol.Wt. : 388.9
Rel. CAS No : 798544-25-9 (HCl salt) ; 83881-52-1 (2HCl salt) ; 83881-50-9 (K salt)
SZ-C032035
CAS No:83881-51-0
Mol.F.: C21H25ClN2O3
Mol.Wt.: 388.9
Rel. CAS No : 798544-25-9 (HCl salt) ; 83881-52-1 (2HCl salt) ; 83881-50-9 (K salt)