TLC Standards
      
Products List (Parent drug: CETIRIZINE)
Cetirizine-d4
CAS No. 83881-52-1 (non-d)
C21H21ClN2O3D4.2HCl M.W. 392.92 2x36.46
C-201
Cetirizine-d4
(S)-Cetirizine DiHCl (Levocetirizine S-Isomer DiHCl)
CAS No. 163837-48-7
C21H25ClN2O3. 2 HCl M.W. 388.90 2 36.46
C-202
(S)-Cetirizine DiHCl (Levocetirizine S-Isomer DiHCl)
(S)-Cetirizine-d4
CAS No. 130018-76-7(non-d)
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-203
(S)-Cetirizine-d4
(R)-Cetirizine DiHCl (Levocetirizine DiHCl)
CAS No. 130018-87-0
C21H25ClN2O3. 2 HCl M.W. 388.90 2 36.46
C-204
(R)-Cetirizine DiHCl (Levocetirizine DiHCl)
(R)-Cetirizine-d4 (Levocetirizine-d4) DiHCl
CAS No. 1133210-23-7 (free base)
C21H21ClN2O3D4. 2 HCl M.W. 392.92 2 36.46
C-205
(R)-Cetirizine-d4 (Levocetirizine-d4) DiHCl
Cetirizine-d8 DiHCl
CAS No. 2070015-04-0
C21H17D8ClN2O3. 2 HCl M.W. 396.94 2 36.46
C-206
Cetirizine-d8 DiHCl
Cetirizine EP Impurity A
CAS No. 303-26-4
C17H19ClN2 M.W. 286.80
C-208
Cetirizine EP Impurity A
Cetirizine EP Impurity B
CAS No. 113740-61-7
C19H21ClN2O2 M.W. 344.84
C-209
Cetirizine EP Impurity B
Cetirizine EP Impurity C
CAS No. 83881-59-8
C21H25ClN2O3 M.W. 388.89
C-2010
Cetirizine EP Impurity C
Cetirizine EP Impurity E Sodium Salt
CAS No. 682323-77-9 (free base)
C23H28ClN2O4. Na M.W. 431.94 22.99
C-2011
Cetirizine EP Impurity E Sodium Salt
Cetirizine EP Impurity G
CAS No. 109806-71-5
C19H23ClN2O M.W. 330.86
C-2012
Cetirizine EP Impurity G
Cetirizine Impurity 6
CAS No. NA
C11H14Cl2O2S M.W. 281.20
C-2013
Cetirizine Impurity 6
Cetirizine Impurity 7
CAS No. NA
C23H23ClN2O2S M.W. 426.97
C-2014
Cetirizine Impurity 7
Cetirizine Impurity 8 DiHCl
CAS No. 200707-85-3
C21H26ClN3O2. 2HCl M.W. 387.91 2 36.46
C-2015
Cetirizine Impurity 8 DiHCl
4-Chlorobenzhydrylimine
CAS No. NA
C13H10ClN M.W. 215.68
L-132
4-Chlorobenzhydrylimine
2-Chlorobenzhydryl amine
CAS No. 5267-39-0
C13H12ClN M.W. 217.70
L-133
2-Chlorobenzhydryl amine
N-Benzyl-2-chloro-N(chloroacetyl)acetamide
CAS No. NA
C11H11Cl2NO2 M.W. 260.12
L-134
N-Benzyl-2-chloro-N(chloroacetyl)acetamide
[2-[4-[4-chlorophenylmethyl]-1-piperazinyl]-ethoxy]acetamide
CAS No. NA
C15H22ClN3O2 M.W. 311.81
L-135
[2-[4-[4-chlorophenylmethyl]-1-piperazinyl]-ethoxy]acetamide
1-Benzylaziridin-2-one
CAS No. NA
C9H9NO M.W. 147.18
L-136
1-Benzylaziridin-2-one
Levocetirizine Impurity 11
C25H31ClN2O6 M.W. 490.98
L-137
Levocetirizine Impurity 11
Cetirizine Impurity 19
CAS No. 108983-83-1
C19H24N2O 2HCl M.W. 296.42 2x36.46
C-2022
Cetirizine Impurity 19
Cetirizine Impurity 18 (4-Chlorobenzophenone)
CAS No. 134-85-0
C13H9ClO M.W. 216.66
C-2016
Cetirizine Impurity 18 (4-Chlorobenzophenone)
Cetirizine Lactose Ester
C33H45ClN2O13 M.W. 713.19
C-2017
Cetirizine Lactose Ester
(R)-Cetirizine EP Impurity A (Levocetirizine Impurity 2)
CAS No. 300543-56-0
C17H19ClN2 M.W. 286.80
L-139
(R)-Cetirizine EP Impurity A (Levocetirizine Impurity 2)
Cetirizine EP Impurity F
CAS No. 83881-53-2
C21H26N2O3 M.W. 354.44
C-2018
Cetirizine EP Impurity F
Cetirizine Methyl Ester HCl
C22H27ClN2O3. HCl M.W. 402.93 36.46
C-2019
Cetirizine Methyl Ester HCl
4-Chloro Benzhydrol (Meclozine EP Impurity B)
CAS No. 119-56-2
C13H11ClO M.W. 218.69
C-2020
4-Chloro Benzhydrol (Meclozine EP Impurity B)
Cetirizine EP Impurity D
CAS No. 346451-15-8
C30H28Cl2N2 M.W. 487.47
C-2021
Cetirizine EP Impurity D
Cetirizine Impurity 10
C24H31ClN2O4 M.W. 446.98
C-2023
Cetirizine Impurity 10
Cetirizine Glycerol Ester Impurity HCl
CAS No. 1243652-36-9 (free base)
C24H31ClN2O5. HCl M.W. 462.98 36.46
C-2024
Cetirizine Glycerol Ester Impurity HCl
Cetirizine Related Compound D
CAS No. N/A
C22H27ClN2O3 M.W. 402.93
C-2025
Cetirizine Related Compound D
Cetirizine DiHCl
CAS No. 83881-52-1
C21H25ClN2O3. 2 HCl M.W. 388.89 2 36.46
C-2026
Cetirizine DiHCl
Cetirizine 3-Chloro Impurity
CAS No. 1232460-31-9
C21H25ClN2O3 M.W. 388.89
C-2027
Cetirizine 3-Chloro Impurity
(R)-Cetirizine N-Oxide DiHCl (Levocetirizine N-Oxide DiHCl)
CAS No. 442863-80-1 (free base)
C21H25ClN2O4. 2 HCl M.W. 404.89 2 36.46
C-2028
(R)-Cetirizine N-Oxide DiHCl (Levocetirizine N-Oxide DiHCl)
Cetirizine N-Oxide DiHCl
CAS No. 1076199-80-8 (free base)
C21H25ClN2O4. 2 HCl M.W. 404.89 2 36.46
C-2029
Cetirizine N-Oxide DiHCl
Cetirizine EP Impurity D DiHCl
CAS No. 856841-95-7
C30H28Cl2N2. 2 HCl M.W. 487.48 2 36.46
C-2030
Cetirizine EP Impurity D DiHCl
Levocetirizine Impurity 10 (N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)
CAS No. 1391053-09-0
C13H20N2O3 M.W. 252.32
L-1310
Levocetirizine Impurity 10 (N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)
Levocetirizine Impurity 1
CAS No. 1150310-68-1
C28H32ClN3O2 M.W. 478.03
L-1311
Levocetirizine Impurity 1
(R)-Cetirizine Polyethylene Glycol Ester
CAS No. 1509941-93-8 (racemic)
C21H25ClN2O3[C2H4O]n M.W. 388.90[44.05]n
C-2031
(R)-Cetirizine Polyethylene Glycol Ester
Cetirizine N,N-Dioxide DiHCl
C21H25ClN2O5. 2 HCl M.W. 420.90 2 36.46
C-2032
Cetirizine N,N-Dioxide DiHCl
Cetirizine Sorbitol Ester Impurity HCl (Mixture of Diastereomers)
CAS No. 13848888-64-5 (free base)
C27H37ClN2O8. HCl M.W. 553.06 36.46
C-2033
Cetirizine Sorbitol Ester Impurity HCl (Mixture of Diastereomers)
Cetirizine Impurity Y
C12H15NO6S M.W. 301.32
C-2034
Cetirizine Impurity Y
Cetirizine Impurity 13 DiHCl
C24H31ClN2O4 M.W. 446.97
C-2040
Cetirizine Impurity 13 DiHCl
Levocetirizine Impurity 3
CAS No. 113740-61-7
C19H21ClN2O2 M.W. 344.84
L-1312
Levocetirizine Impurity 3
Levocetirizine Impurity 4
CAS No. N/A
C21H25ClN2O3 M.W. 388.90
L-1313
Levocetirizine Impurity 4
Levocetirizine Impurity 5
CAS No. N/A
C23H29ClN2O4 M.W. 432.95
L-1314
Levocetirizine Impurity 5
Levocetirizine Impurity 6
CAS No. 109806-71-5
C19H23ClN2O M.W. 330.86
L-1315
Levocetirizine Impurity 6
Levocetirizine Impurity 7
CAS No. 58023-19-1
C10H13ClNO2S M.W. 282.19
L-1316
Levocetirizine Impurity 7
Levocetirizine Impurity 8
CAS No. 1391052-52-0
C23H23ClN2O2S M.W. 426.97
L-1317
Levocetirizine Impurity 8
Levocetirizine Impurity 9 DiHCl
CAS No. 200707-85-3
C21H26ClN3O2. 2HCl M.W. 387.91 2 36.46
L-1318
Levocetirizine Impurity 9 DiHCl
Cetirizine 6'-O-Lactose Ester HCl (Mixture of alpha and beta Isomers HCl)
C33H45ClN2O13. HCl M.W. 713.19 36.46
C-2035
Cetirizine 6-O-Lactose Ester HCl (Mixture of alpha and beta Isomers HCl)
N-Benzyl Aziridine
CAS No. 1074-42-6
C9H11N M.W. 133.19
L-1319
N-Benzyl Aziridine
Cetirizine Ethyl Ester DiHCl
CAS No. 246870-46-2 (free base)
C23H29ClN2O3. 2 HCl M.W. 416.95 2 36.46
C-2036
Cetirizine Ethyl Ester DiHCl
Cetirizine Impurity 9
C22H29ClN2O2 M.W. 388.94
C-2037
Cetirizine Impurity 9
Cetirizine Impurity 14 DiHCl
C24H31ClN2O4 M.W. 446.97
C-2041
Cetirizine Impurity 14 DiHCl
Cetirizine Impurity 11 ((R)-Cetirizine Propanediol Ester)
C24H31ClN2O4 M.W. 446.97
C-2038
Cetirizine Impurity 11 ((R)-Cetirizine Propanediol Ester)
Cetirizine Impurity 12 ((S)-Cetirizine Propanediol Ester)
C24H31ClN2O4 M.W. 446.97
C-2039
Cetirizine Impurity 12 ((S)-Cetirizine Propanediol Ester)
Cetirizine Impurity 15 DiHCl (Mixture of Cetirizine Impurity 11 DiHCl and Cetirizine Impurity 13 DiHCl)
C24H31ClN2O4. 2 HCl M.W. 446.98 2 36.46
C-2042
Cetirizine Impurity 15 DiHCl (Mixture of Cetirizine Impurity 11 DiHCl and Cetirizine Impurity 13 DiHCl)
Cetirizine Impurity 16 DiHCl (Mixture of Cetirizine Impurity 12 DiHCl and Cetirizine Impurity 14 DiHCl)
C24H31ClN2O4. 2 HCl M.W. 446.97 2 36.46
C-2043
Cetirizine Impurity 16 DiHCl (Mixture of Cetirizine Impurity 12 DiHCl and Cetirizine Impurity 14 DiHCl)
4-Chlorobenzhydryl Chloride
CAS No. 134-83-8
C13H10Cl2 M.W. 237.12
L-1320
4-Chlorobenzhydryl Chloride
Cetirizine Impurity 17 DiHCl (Mixture of Cetirizine Impurity 9 DiHCl and Cetirizine Impurity 10 DiHCl)
C24H31ClN2O4. 2 HCl M.W. 446.97 2 36.46
C-2044
Cetirizine Impurity 17 DiHCl (Mixture of Cetirizine Impurity 9 DiHCl and Cetirizine Impurity 10 DiHCl)
Cetirizine Impurity 18
C23H29ClN2O4 M.W. 432.95
C-2045
Cetirizine Impurity 18
Levocetirizine Impurity 12
CAS No. 909779-33-5
C21H26ClN3O2 M.W. 387.91
L-1321
Levocetirizine Impurity 12