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BrandProduct dataPurityPrice rangeEstimated delivery
TLC logo
Cinnarizine Impurity 1 DiHCl
REF: 4Z-C-389CAS: 58972-17-1		- - -To inquire9 Feb 2022
TLC logo
Desloratadine Impurity 3
REF: 4Z-L-1018CAS: 1346600-61-0		- - -To inquire9 Feb 2022
TLC logo
Chlorphenamine EP Impurity C Maleate
REF: 4Z-C-4814CAS: 20619-12-922630-25-7		- - -To inquire9 Feb 2022
TLC logo
Cetirizine Ethyl Ester DiHCl
REF: 4Z-C-2036CAS: 246870-46-2		- - -To inquire9 Feb 2022
TLC logo
Cetirizine EP Impurity D
REF: 4Z-C-2021CAS: 346451-15-8		- - -To inquire9 Feb 2022
TLC logo
Mizolastine Impurity 7
REF: 4Z-M-191011CAS: 935860-15-4		- - -To inquire9 Feb 2022
TLC logo
Azelastine EP Impurity D
REF: 4Z-A-687CAS: 53242-88-9		- - -To inquire9 Feb 2022
TLC logo
7-Chloro Epinastine HCl
REF: 4Z-E-433CAS: 1216548-20-7		- - -To inquire9 Feb 2022
TLC logo
Cetirizine EP Impurity G
REF: 4Z-C-2012CAS: 109806-71-5164726-80-1		- - -To inquire9 Feb 2022
TLC logo
Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)
REF: 4Z-L-1049		- - -To inquire9 Feb 2022
TLC logo
3-Hydroxy desloratadine HCl
REF: 4Z-L-105CAS: 19410-08-1		- - -To inquire9 Feb 2022
TLC logo
Cetirizine-d8 DiHCl
REF: 4Z-C-206CAS: 2070015-04-0		- - -To inquire9 Feb 2022
TLC logo
(E)-N-Desmethyl Olopatadine-d3 HCl
REF: 4Z-O-1018CAS: 849721-29-5		- - -To inquire9 Feb 2022
TLC logo
Olopatadine Acetaldehyde HCl
REF: 4Z-O-107CAS: 1376615-97-2		- - -To inquire9 Feb 2022
TLC logo
Montelukast Impurity 6
REF: 4Z-M-3030CAS: 1187586-63-5		- - -To inquire9 Feb 2022
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Cetirizine Impurity 15 DiHCl (Mixture of Cetirizine Impurity 11 DiHCl and Cetirizine Impurity 13 DiHCl)
REF: 4Z-C-2042		- - -To inquire9 Feb 2022
TLC logo
Montelukast Chloro Alcohol Impurity
REF: 4Z-M-3033CAS: 880769-28-8		- - -To inquire9 Feb 2022
TLC logo
Olopatadine Carbaldehyde HCl (Mixture of Z and E Isomers)
REF: 4Z-O-1012		- - -To inquire9 Feb 2022
TLC logo
9-Oxo Epinastine HBr
REF: 4Z-E-434CAS: 141342-69-0745761-19-7		- - -To inquire9 Feb 2022
TLC logo
Cetirizine Impurity 22 DiHCl
REF: 4Z-C-2047		- - -To inquire9 Feb 2022
TLC logo
Loratadine Impurity 14
REF: 4Z-L-1068CAS: 169253-13-8		- - -To inquire9 Feb 2022
TLC logo
Azelastine HCl
REF: 4Z-A-683CAS: 79307-93-0		- - -To inquire9 Feb 2022
TLC logo
Cetirizine Impurity 17 HCl (Mixture of Cetirizine Impurity 9 HCl and Cetirizine Impurity 10 HCl)
REF: 4Z-C-2044		- - -To inquire9 Feb 2022
TLC logo
(R)-Cetirizine N-Oxide DiHCl
REF: 4Z-C-2028CAS: 442863-80-1		- - -To inquire9 Feb 2022
TLC logo
Cyproheptadine Impurity 6 (Dibenzosuberenone)
REF: 4Z-C-128001CAS: 2222-33-5		- - -To inquire9 Feb 2022
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Loratadine Impurity 15 DiHCl
REF: 4Z-L-1070CAS: 38093-13-9		- - -To inquire9 Feb 2022
TLC logo
Fexofenadine Impurity 2
REF: 4Z-F-049		- - -To inquire9 Feb 2022
TLC logo
Cetirizine N,N-Dioxide DiHCl
REF: 4Z-C-2032		- - -To inquire9 Feb 2022
TLC logo
Epinastine Related Compound A
REF: 4Z-E-436CAS: 41218-84-2		- - -To inquire9 Feb 2022
TLC logo
(S)-Azelastine USP Related Compound F ((S)-Azelastine N-Oxide) (Mixture of Diastereomers)
REF: 4Z-A-6815CAS: 1346617-06-8		- - -To inquire9 Feb 2022
TLC logo
Cetirizine EP Impurity E
REF: 4Z-C-2011CAS: 682323-77-9		- - -To inquire9 Feb 2022
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Cyproheptadine Impurity 1
REF: 4Z-C-128003CAS: 54191-04-7		- - -To inquire9 Feb 2022
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Fexofenadine EP Impurity B
REF: 4Z-F-046CAS: 479035-75-1		- - -To inquire9 Feb 2022
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Fexofenadine HCl
REF: 4Z-F-041CAS: 153439-40-8		- - -To inquire9 Feb 2022
TLC logo
Epinastine EP Impurity B HBr (7-Bromo Epinastine HBr)
REF: 4Z-E-438CAS: 1217052-16-8		- - -To inquire9 Feb 2022
TLC logo
N-Desmethyl Brompheniramine Maleate
REF: 4Z-B-160007CAS: 18453-10-6		- - -To inquire9 Feb 2022
TLC logo
Mizolastine
REF: 4Z-M-191001CAS: 108612-45-9		- - -To inquire9 Feb 2022
TLC logo
Chlorphenamine EP Impurity B (Chlorpheniramine USP Related Compound B)
REF: 4Z-C-4813CAS: 1202-34-2		- - -To inquire9 Feb 2022
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Azelastine EP Impurity E (Z-Isomer)
REF: 4Z-A-688CAS: 105279-16-1		- - -To inquire9 Feb 2022
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Loratadine Impurity 24
REF: 4Z-L-1024CAS: 133330-60-6		- - -To inquire9 Feb 2022
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Epinastine Impurity 2
REF: 4Z-E-4311		- - -To inquire9 Feb 2022
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Mequitazine
REF: 4Z-M-131001CAS: 29216-28-2		- - -To inquire9 Feb 2022
TLC logo
rac-Montelukast EP Impurity F (Montelukast Methyl Ketone)
REF: 4Z-M-306CAS: 937275-23-5		- - -To inquire9 Feb 2022
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Loratadine Impurity 25
REF: 4Z-L-1045CAS: 107256-32-6		- - -To inquire9 Feb 2022
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Montelukast Impurity 3
REF: 4Z-M-3027CAS: 150026-72-5		- - -To inquire9 Feb 2022
TLC logo
Montelukast Diol Impurity
REF: 4Z-M-3023CAS: 287930-77-2		- - -To inquire9 Feb 2022
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9-Oxo Epinastine HCl
REF: 4Z-E-4321CAS: 141342-69-0		- - -To inquire9 Feb 2022
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(R)-Azelastine HCl
REF: 4Z-A-681CAS: 153408-28-7		- - -To inquire9 Feb 2022
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Desloratadine Impurity 8
REF: 4Z-L-1079		- - -To inquire9 Feb 2022
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3-Hydroxy Desloratadine
REF: 4Z-L-1014CAS: 119410-08-1		- - -To inquire9 Feb 2022
TLC logo
Azelastine Impurity 3 HCl
REF: 4Z-A-6819		- - -To inquire9 Feb 2022
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Fexofenadine Impurity 27
REF: 4Z-F-0439		- - -To inquire9 Feb 2022
TLC logo
Levocetirizine Impurity 10 (N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)
REF: 4Z-L-1310CAS: 1391053-09-0		- - -To inquire9 Feb 2022
TLC logo
Mizolastine Impurity 12
REF: 4Z-M-191020CAS: 108612-60-8		- - -To inquire9 Feb 2022
TLC logo
(R)-Cetirizine Polyethylene Glycol Ester
REF: 4Z-C-2031CAS: 1509941-93-8		- - -To inquire9 Feb 2022
TLC logo
Loratadine-d5
REF: 4Z-L-103CAS: 1020719-57-6		- - -To inquire9 Feb 2022
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Levocetirizine Impurity 3 DiHCl (Cetirizine EP Impurity B DiHCl)
REF: 4Z-L-1312CAS: 1000690-91-4113740-61-7		- - -To inquire9 Feb 2022
TLC logo
Epinastine EP Impurity A (Dehydro Epinastine)
REF: 4Z-E-437CAS: 706753-75-5		- - -To inquire9 Feb 2022
TLC logo
Rupatadine N-Oxide (5-Methylpyridine N-Oxide)
REF: 4Z-R-4213CAS: 1704730-21-1		- - -To inquire9 Feb 2022
TLC logo
Dehydro Loratadine Isomer B
REF: 4Z-L-1050CAS: 133330-56-0		- - -To inquire9 Feb 2022
TLC logo
Montelukast Sodium Salt
REF: 4Z-M-301CAS: 151767-02-1		- - -To inquire9 Feb 2022
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Loratadine Impurity 28
REF: 4Z-L-1086		- - -To inquire9 Feb 2022
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Montelukast EP Impurity G (cis-Montelukast)
REF: 4Z-M-3011CAS: 774538-96-4		- - -To inquire9 Feb 2022
TLC logo
(E)-Olopatadine Isopropyl Ester HCl
REF: 4Z-O-1016		- - -To inquire9 Feb 2022
TLC logo
Azelastine USP Related Compound F (Azelastine N-Oxide) (Mixture of Diastereomers)
REF: 4Z-A-6813CAS: 640279-88-5		- - -To inquire9 Feb 2022
TLC logo
Levocetirizine Impurity 7
REF: 4Z-L-1316CAS: 58023-19-1		- - -To inquire9 Feb 2022
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Cetirizine-d4
REF: 4Z-C-201CAS: 83881-52-1		- - -To inquire9 Feb 2022
TLC logo
Brompheniramine Impurity 2 Dimaleate
REF: 4Z-B-160005		- - -To inquire9 Feb 2022
TLC logo
Montelukast Sulfoxide (Mixture of Diastereomers)
REF: 4Z-M-307CAS: 1152185-58-4		- - -To inquire9 Feb 2022
TLC logo
(S)-Chlorphenamine Maleate (Dexchlorpheniramine Maleate)
REF: 4Z-C-484CAS: 2438-32-6		- - -To inquire9 Feb 2022
TLC logo
Fexofenadine N-Oxide
REF: 4Z-F-0416CAS: 1422515-52-3		- - -To inquire9 Feb 2022
TLC logo
Montelukast Impurity 19
REF: 4Z-M-3046CAS: 89729-09-9		- - -To inquire9 Feb 2022
TLC logo
Dexchlorpheniramine EP Impurity B Maleate ((R)-Chlorphenamine Maleate)
REF: 4Z-C-485CAS: 2188-09-323095-76-3		- - -To inquire9 Feb 2022
TLC logo
3-Hydroxy Desloratadine-d4
REF: 4Z-L-1011CAS: 1246819-99-7		- - -To inquire9 Feb 2022
TLC logo
Loratadine Impurity 7
REF: 4Z-L-1058CAS: 133330-61-7		- - -To inquire9 Feb 2022
TLC logo
N-Desmethyl Azelastine-d4
REF: 4Z-A-689CAS: 47491-38-3		- - -To inquire9 Feb 2022
TLC logo
Loratadine EP Impurity G (Loratadine USP Related Compound B, Methyl Loratadine)
REF: 4Z-L-1028CAS: 38092-89-6		- - -To inquire9 Feb 2022
TLC logo
Desloratadine-d5
REF: 4Z-L-104CAS: 1020719-34-9		- - -To inquire9 Feb 2022
TLC logo
Mizolastine Impurity 1
REF: 4Z-M-191005CAS: 108635-83-2		- - -To inquire9 Feb 2022
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Azelastine Impurity 1 HCl
REF: 4Z-A-6817		- - -To inquire9 Feb 2022
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Rupatadine Fumarate
REF: 4Z-R-421CAS: 182349-12-8		- - -To inquire9 Feb 2022
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Rupatadine EP Impurity B (Loratadine EP Impurity D) (Desloratadine)
REF: 4Z-R-4210CAS: 100643-71-8		- - -To inquire9 Feb 2022
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Desloratadine Impurity 1
REF: 4Z-L-1016CAS: 1346601-53-3		- - -To inquire9 Feb 2022
TLC logo
Cetirizine 6'-O-Lactose Ester DiHCl (Mixture of alpha and beta Isomers)
REF: 4Z-C-2049		- - -To inquire9 Feb 2022
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Cetirizine EP Impurity F
REF: 4Z-C-2018CAS: 83881-53-283881-54-3		- - -To inquire9 Feb 2022
TLC logo
Chlorphenamine-d6 Maleate
REF: 4Z-C-483CAS: 1185054-60-7		- - -To inquire9 Feb 2022
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Montelukast Impurity 43
REF: 4Z-M-3071CAS: 287930-77-2		- - -To inquire9 Feb 2022
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Levocetirizine Impurity 16 DiHCl
REF: 4Z-L-1326CAS: 942132-30-1942193-17-1		- - -To inquire9 Feb 2022
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Fexofenadine EP Impurity D (Fexofenadine Methyl Ester)
REF: 4Z-F-044CAS: 154825-96-4		- - -To inquire9 Feb 2022
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Desloratadine Impurity 9 (N-Desmethyl Azatadine)
REF: 4Z-L-1034CAS: 38092-95-4		- - -To inquire9 Feb 2022
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Chlorphenamine Impurity 10
REF: 4Z-C-4831CAS: 408312-83-4		- - -To inquire9 Feb 2022
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Azelastine Impuirty 4 HCl
REF: 4Z-A-6812CAS: 37933-01-0		- - -To inquire9 Feb 2022
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N-Desmethyl Olopatadine-d3 HCl
REF: 4Z-O-1011CAS: 113835-92-0		- - -To inquire9 Feb 2022
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Chlorphenamine Maleate
REF: 4Z-C-486CAS: 113-92-8132-22-9		- - -To inquire9 Feb 2022
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Loratadine Impurity 1
REF: 4Z-L-1052CAS: 201466-35-5		- - -To inquire9 Feb 2022
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6-Hydroxy Desloratadine (Mixture of Conformational Isomers)
REF: 4Z-L-1013CAS: 119410-05-8		- - -To inquire9 Feb 2022
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alpha-Hydroxy Olopatadine Sodium Salt
REF: 4Z-O-104CAS: 1628639-06-4		- - -To inquire9 Feb 2022
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Chlorphenamine Impurity 5 HCl
REF: 4Z-C-4817CAS: 4584-46-7		- - -To inquire9 Feb 2022
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Cyproheptadine-d3
REF: 4Z-C-128005CAS: 129-03-3		- - -To inquire9 Feb 2022
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Montelukast Impurity 16
REF: 4Z-M-3043		- - -To inquire9 Feb 2022
discount label
Cinnarizine Impurity 1 DiHCl
TLC logo+ info

Cinnarizine Impurity 1 DiHCl

CAS:58972-17-1
Formula:
C26H30N2OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
386.54 2 36.46

Ref: 4Z-C-389

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Desloratadine Impurity 3
TLC logo+ info

Desloratadine Impurity 3

CAS:1346600-61-0
Formula:
C19H19ClN2
Color and Shape:
Pale Pink Solid
Molecular weight:
310.83

Ref: 4Z-L-1018

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Chlorphenamine EP Impurity C Maleate
TLC logo+ info

Chlorphenamine EP Impurity C Maleate

CAS:20619-12-9 22630-25-7
Formula:
C15H17ClN2C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
260.77 116.07

Ref: 4Z-C-4814

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine Ethyl Ester DiHCl
TLC logo+ info

Cetirizine Ethyl Ester DiHCl

CAS:246870-46-2
Formula:
C23H29ClN2O3HCl
Color and Shape:
Pale Brown Solid
Molecular weight:
416.95 2*36.46

Ref: 4Z-C-2036

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine EP Impurity D
TLC logo+ info

Cetirizine EP Impurity D

CAS:346451-15-8
Formula:
C30H28Cl2N2
Color and Shape:
White To Off-White Solid
Molecular weight:
487.47

Ref: 4Z-C-2021

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Mizolastine Impurity 7
TLC logo+ info

Mizolastine Impurity 7

CAS:935860-15-4
Formula:
C24H25FN6O
Molecular weight:
432.50

Ref: 4Z-M-191011

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Azelastine EP Impurity D
TLC logo+ info

Azelastine EP Impurity D

CAS:53242-88-9
Formula:
C15H11ClN2O
Color and Shape:
White To Off-White Solid
Molecular weight:
270.72

Ref: 4Z-A-687

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
7-Chloro Epinastine HCl
TLC logo+ info

7-Chloro Epinastine HCl

CAS:1216548-20-7
Formula:
C16H14ClN3HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
283.76 36.46

Ref: 4Z-E-433

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine EP Impurity G
TLC logo+ info

Cetirizine EP Impurity G

CAS:109806-71-5 164726-80-1
Formula:
C19H23ClN2O
Color and Shape:
Off-White Solid
Molecular weight:
330.86

Ref: 4Z-C-2012

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)
TLC logo+ info

Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)

Formula:
C22H21ClN2O2
Color and Shape:
White To Off-White Solid
Molecular weight:
380.87

Ref: 4Z-L-1049

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
3-Hydroxy desloratadine HCl
TLC logo+ info

3-Hydroxy desloratadine HCl

CAS:19410-08-1
Formula:
C19H19ClN2OHCl
Molecular weight:
326.83 36.46

Ref: 4Z-L-105

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine-d8 DiHCl
TLC logo+ info

Cetirizine-d8 DiHCl

CAS:2070015-04-0
Formula:
C21H17D8ClN2O3HCl
Color and Shape:
Off-White Solid
Molecular weight:
396.94 2*36.46

Ref: 4Z-C-206

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
(E)-N-Desmethyl Olopatadine-d3 HCl
TLC logo+ info

(E)-N-Desmethyl Olopatadine-d3 HCl

CAS:849721-29-5
Formula:
C20H18D3NO3HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
326.41 36.46

Ref: 4Z-O-1018

Estimated delivery in United States, on Wednesday 9 Feb 2022
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Olopatadine Acetaldehyde HCl
TLC logo+ info

Olopatadine Acetaldehyde HCl

CAS:1376615-97-2
Formula:
C21H23NO2HCl
Color and Shape:
Yellow Solid
Molecular weight:
321.42 36.46

Ref: 4Z-O-107

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Montelukast Impurity 6
TLC logo+ info

Montelukast Impurity 6

CAS:1187586-63-5
Formula:
C29H26ClNO
Color and Shape:
White To Off-White Solid
Molecular weight:
439.99

Ref: 4Z-M-3030

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine Impurity 15 DiHCl (Mixture of Cetirizine Impurity 11 DiHCl and Cetirizine Impurity 13 DiHCl)
TLC logo+ info

Cetirizine Impurity 15 DiHCl (Mixture of Cetirizine Impurity 11 DiHCl and Cetirizine Impurity 13 DiHCl)

Formula:
C24H31ClN2O4HCl
Color and Shape:
Off-White Solid
Molecular weight:
446.98 2*36.46

Ref: 4Z-C-2042

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Montelukast Chloro Alcohol Impurity
TLC logo+ info

Montelukast Chloro Alcohol Impurity

CAS:880769-28-8
Formula:
C29H27Cl2NO
Color and Shape:
Pale Yellow Solid
Molecular weight:
476.45

Ref: 4Z-M-3033

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Olopatadine Carbaldehyde HCl (Mixture of Z and E Isomers)
TLC logo+ info

Olopatadine Carbaldehyde HCl (Mixture of Z and E Isomers)

Formula:
C20H21NO2HCl
Color and Shape:
Off-White Solid
Molecular weight:
307.39 36.46

Ref: 4Z-O-1012

Estimated delivery in United States, on Wednesday 9 Feb 2022
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9-Oxo Epinastine HBr
TLC logo+ info

9-Oxo Epinastine HBr

CAS:141342-69-0 745761-19-7
Formula:
C16H13N3OHBr
Color and Shape:
Pale Brown Solid
Molecular weight:
263.30 80.91

Ref: 4Z-E-434

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine Impurity 22 DiHCl
TLC logo+ info

Cetirizine Impurity 22 DiHCl

Formula:
C20H25ClN2OHCl
Molecular weight:
344.89 2*36.46

Ref: 4Z-C-2047

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Loratadine Impurity 14
TLC logo+ info

Loratadine Impurity 14

CAS:169253-13-8
Formula:
C22H23ClN2O2
Color and Shape:
Off-White Solid
Molecular weight:
382.89

Ref: 4Z-L-1068

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Azelastine HCl
TLC logo+ info

Azelastine HCl

CAS:79307-93-0
Formula:
C22H24ClN3OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
381.90 36.46

Ref: 4Z-A-683

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cetirizine Impurity 17 HCl (Mixture of Cetirizine Impurity 9 HCl and Cetirizine Impurity 10 HCl)
TLC logo+ info

Cetirizine Impurity 17 HCl (Mixture of Cetirizine Impurity 9 HCl and Cetirizine Impurity 10 HCl)

Formula:
C24H31ClN2O4HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
446.97 36.46

Ref: 4Z-C-2044

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
(R)-Cetirizine N-Oxide DiHCl
TLC logo+ info

(R)-Cetirizine N-Oxide DiHCl

CAS:442863-80-1
Formula:
C21H25ClN2O4HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
404.89 2*36.46

Ref: 4Z-C-2028

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Cyproheptadine Impurity 6 (Dibenzosuberenone)
TLC logo+ info

Cyproheptadine Impurity 6 (Dibenzosuberenone)

CAS:2222-33-5
Formula:
C15H10O
Color and Shape:
Off-White Solid
Molecular weight:
206.24

Ref: 4Z-C-128001

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Loratadine Impurity 15 DiHCl
TLC logo+ info

Loratadine Impurity 15 DiHCl

CAS:38093-13-9
Formula:
C20H24N2OHCl
Molecular weight:
308.43 2*36.46

Ref: 4Z-L-1070

Estimated delivery in United States, on Wednesday 9 Feb 2022
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discount label
Fexofenadine Impurity 2
TLC logo+ info

Fexofenadine Impurity 2

Formula:
C32H35NO3
Color and Shape:
White To Off-White Solid
Molecular weight:
481.64

Ref: 4Z-F-049

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Cetirizine N,N-Dioxide DiHCl
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Cetirizine N,N-Dioxide DiHCl

Formula:
C21H25ClN2O5HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
420.90 2 36.46

Ref: 4Z-C-2032

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Epinastine Related Compound A
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Epinastine Related Compound A

CAS:41218-84-2
Formula:
C15H16N2
Color and Shape:
Pale Yellow Solid
Molecular weight:
224.31

Ref: 4Z-E-436

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(S)-Azelastine USP Related Compound F ((S)-Azelastine N-Oxide) (Mixture of Diastereomers)
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(S)-Azelastine USP Related Compound F ((S)-Azelastine N-Oxide) (Mixture of Diastereomers)

CAS:1346617-06-8
Formula:
C22H24ClN3O2
Color and Shape:
White To Off-White Solid
Molecular weight:
397.90

Ref: 4Z-A-6815

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Cetirizine EP Impurity E
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Cetirizine EP Impurity E

CAS:682323-77-9
Formula:
C23H29ClN2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
432.95

Ref: 4Z-C-2011

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Cyproheptadine Impurity 1
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Cyproheptadine Impurity 1

CAS:54191-04-7
Formula:
C21H21NO
Color and Shape:
Pale Yellow Solid
Molecular weight:
303.41

Ref: 4Z-C-128003

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Fexofenadine EP Impurity B
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Fexofenadine EP Impurity B

CAS:479035-75-1
Formula:
C32H39NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
501.67

Ref: 4Z-F-046

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Fexofenadine HCl
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Fexofenadine HCl

CAS:153439-40-8
Formula:
C32H39NO4HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
501.67 36.46

Ref: 4Z-F-041

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Epinastine EP Impurity B HBr (7-Bromo Epinastine HBr)
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Epinastine EP Impurity B HBr (7-Bromo Epinastine HBr)

CAS:1217052-16-8
Formula:
C16H14BrN3HBr
Color and Shape:
White To Off-White Solid
Molecular weight:
328.21 80.91

Ref: 4Z-E-438

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N-Desmethyl Brompheniramine Maleate
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N-Desmethyl Brompheniramine Maleate

CAS:18453-10-6
Formula:
C15H17BrN2C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
305.22 116.07

Ref: 4Z-B-160007

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Mizolastine
TLC logo+ info

Mizolastine

CAS:108612-45-9
Formula:
C24H25FN6O
Color and Shape:
White To Off-White Solid
Molecular weight:
432.50

Ref: 4Z-M-191001

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Chlorphenamine EP Impurity B (Chlorpheniramine USP Related Compound B)
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Chlorphenamine EP Impurity B (Chlorpheniramine USP Related Compound B)

CAS:1202-34-2
Formula:
C10H9N3
Color and Shape:
White To Off-White Solid
Molecular weight:
171.20

Ref: 4Z-C-4813

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Azelastine EP Impurity E (Z-Isomer)
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Azelastine EP Impurity E (Z-Isomer)

CAS:105279-16-1
Formula:
C15H9ClO2
Color and Shape:
White To Off-White Solid
Molecular weight:
256.69

Ref: 4Z-A-688

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Loratadine Impurity 24
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Loratadine Impurity 24

CAS:133330-60-6
Formula:
C14H9Cl2NO
Color and Shape:
White To Off-White Solid
Molecular weight:
278.13

Ref: 4Z-L-1024

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Epinastine Impurity 2
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Epinastine Impurity 2

Formula:
C16H13N3O2
Color and Shape:
Off-White Solid
Molecular weight:
279.30

Ref: 4Z-E-4311

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Mequitazine
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Mequitazine

CAS:29216-28-2
Formula:
C20H22N2S
Color and Shape:
White To Off-White Solid
Molecular weight:
322.47

Ref: 4Z-M-131001

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rac-Montelukast EP Impurity F (Montelukast Methyl Ketone)
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rac-Montelukast EP Impurity F (Montelukast Methyl Ketone)

CAS:937275-23-5
Formula:
C34H32ClNO3S
Color and Shape:
Pale Yellow Solid
Molecular weight:
570.14

Ref: 4Z-M-306

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Loratadine Impurity 25
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Loratadine Impurity 25

CAS:107256-32-6
Formula:
C22H25ClN2O3
Color and Shape:
White To Off-White Solid
Molecular weight:
400.90

Ref: 4Z-L-1045

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Montelukast Impurity 3
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Montelukast Impurity 3

CAS:150026-72-5
Formula:
C28H24ClNO3
Color and Shape:
Pale Yellow Solid
Molecular weight:
457.95

Ref: 4Z-M-3027

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Montelukast Diol Impurity
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Montelukast Diol Impurity

CAS:287930-77-2
Formula:
C29H28ClNO2
Color and Shape:
Pale Yellow Solid
Molecular weight:
458.00

Ref: 4Z-M-3023

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9-Oxo Epinastine HCl
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9-Oxo Epinastine HCl

CAS:141342-69-0
Formula:
C16H13N3OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
263.30 36.46

Ref: 4Z-E-4321

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(R)-Azelastine HCl
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(R)-Azelastine HCl

CAS:153408-28-7
Formula:
C22H24ClN3OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
381.91 36.46

Ref: 4Z-A-681

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Desloratadine Impurity 8
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Desloratadine Impurity 8

Formula:
C26H23ClN2O3
Color and Shape:
Red Solid
Molecular weight:
446.93

Ref: 4Z-L-1079

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3-Hydroxy Desloratadine
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3-Hydroxy Desloratadine

CAS:119410-08-1
Formula:
C19H19ClN2O
Color and Shape:
Pale Brown Solid
Molecular weight:
326.82

Ref: 4Z-L-1014

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Azelastine Impurity 3 HCl
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Azelastine Impurity 3 HCl

Formula:
C23H24ClN3OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
393.92 36.46

Ref: 4Z-A-6819

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Fexofenadine Impurity 27
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Fexofenadine Impurity 27

Formula:
C32H35NO3
Molecular weight:
481.64

Ref: 4Z-F-0439

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Levocetirizine Impurity 10 (N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)
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Levocetirizine Impurity 10 (N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)

CAS:1391053-09-0
Formula:
C13H20N2O3
Color and Shape:
Pale Yellow Liquid
Molecular weight:
252.32

Ref: 4Z-L-1310

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Mizolastine Impurity 12
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Mizolastine Impurity 12

CAS:108612-60-8
Formula:
C25H27FN6O
Color and Shape:
White To Off-White Solid
Molecular weight:
446.53

Ref: 4Z-M-191020

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(R)-Cetirizine Polyethylene Glycol Ester
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(R)-Cetirizine Polyethylene Glycol Ester

CAS:1509941-93-8
Formula:
C21H25ClN2O3C2H4On
Color and Shape:
Yellow Oil
Molecular weight:
388.90*[44.05]n

Ref: 4Z-C-2031

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Loratadine-d5
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Loratadine-d5

CAS:1020719-57-6
Formula:
C22H18D5ClN2O2
Color and Shape:
White To Off-White Solid
Molecular weight:
387.92

Ref: 4Z-L-103

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Levocetirizine Impurity 3 DiHCl (Cetirizine EP Impurity B DiHCl)
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Levocetirizine Impurity 3 DiHCl (Cetirizine EP Impurity B DiHCl)

CAS:1000690-91-4 113740-61-7
Formula:
C19H21ClN2O2HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
344.84 2*36.46

Ref: 4Z-L-1312

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Epinastine EP Impurity A (Dehydro Epinastine)
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Epinastine EP Impurity A (Dehydro Epinastine)

CAS:706753-75-5
Formula:
C16H13N3
Color and Shape:
Yellow Solid
Molecular weight:
247.30

Ref: 4Z-E-437

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Rupatadine N-Oxide (5-Methylpyridine N-Oxide)
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Rupatadine N-Oxide (5-Methylpyridine N-Oxide)

CAS:1704730-21-1
Formula:
C26H26ClN3O
Color and Shape:
Pale Pink Solid
Molecular weight:
431.96

Ref: 4Z-R-4213

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Dehydro Loratadine Isomer B
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Dehydro Loratadine Isomer B

CAS:133330-56-0
Formula:
C22H21ClN2O2
Color and Shape:
White To Off-White Solid
Molecular weight:
380.88

Ref: 4Z-L-1050

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Montelukast Sodium Salt
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Montelukast Sodium Salt

CAS:151767-02-1
Formula:
C35H35ClNO3SNa
Color and Shape:
White To Off-White Solid
Molecular weight:
585.19 22.99

Ref: 4Z-M-301

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Loratadine Impurity 28
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Loratadine Impurity 28

Formula:
C21H23ClN2O
Color and Shape:
Pale Pink Solid
Molecular weight:
354.88

Ref: 4Z-L-1086

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Montelukast EP Impurity G (cis-Montelukast)
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Montelukast EP Impurity G (cis-Montelukast)

CAS:774538-96-4
Formula:
C35H36ClNO3S
Color and Shape:
Pale Yellow Solid
Molecular weight:
586.19

Ref: 4Z-M-3011

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(E)-Olopatadine Isopropyl Ester HCl
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(E)-Olopatadine Isopropyl Ester HCl

Formula:
C24H29NO3HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
379.50 36.46

Ref: 4Z-O-1016

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Azelastine USP Related Compound F (Azelastine N-Oxide) (Mixture of Diastereomers)
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Azelastine USP Related Compound F (Azelastine N-Oxide) (Mixture of Diastereomers)

CAS:640279-88-5
Formula:
C22H24ClN3O2
Color and Shape:
White To Off-White Solid
Molecular weight:
397.90

Ref: 4Z-A-6813

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Levocetirizine Impurity 7
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Levocetirizine Impurity 7

CAS:58023-19-1
Formula:
C10H13Cl2NO2S
Color and Shape:
White To Off-White Solid
Molecular weight:
282.18

Ref: 4Z-L-1316

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Cetirizine-d4
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Cetirizine-d4

CAS:83881-52-1
Formula:
C21H21ClN2O3D4HCl
Molecular weight:
392.92 2x36.46

Ref: 4Z-C-201

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Brompheniramine Impurity 2 Dimaleate
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Brompheniramine Impurity 2 Dimaleate

Formula:
C16H24BrN3C4H4O4
Color and Shape:
Off-White Solid
Molecular weight:
338.29 2*116.07

Ref: 4Z-B-160005

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Montelukast Sulfoxide (Mixture of Diastereomers)
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Montelukast Sulfoxide (Mixture of Diastereomers)

CAS:1152185-58-4
Formula:
C35H36ClNO4S
Color and Shape:
White To Off-White Solid
Molecular weight:
602.20

Ref: 4Z-M-307

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(S)-Chlorphenamine Maleate (Dexchlorpheniramine Maleate)
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(S)-Chlorphenamine Maleate (Dexchlorpheniramine Maleate)

CAS:2438-32-6
Formula:
C16H19ClN2C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
274.79 116.07

Ref: 4Z-C-484

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Fexofenadine N-Oxide
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Fexofenadine N-Oxide

CAS:1422515-52-3
Formula:
C32H39NO5
Color and Shape:
White To Off-White Solid
Molecular weight:
517.67

Ref: 4Z-F-0416

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Montelukast Impurity 19
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Montelukast Impurity 19

CAS:89729-09-9
Formula:
C5H8O3S
Molecular weight:
148.18

Ref: 4Z-M-3046

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Dexchlorpheniramine EP Impurity B Maleate ((R)-Chlorphenamine Maleate)
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Dexchlorpheniramine EP Impurity B Maleate ((R)-Chlorphenamine Maleate)

CAS:2188-09-3 23095-76-3
Formula:
C16H19ClN2C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
274.80 116.07

Ref: 4Z-C-485

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3-Hydroxy Desloratadine-d4
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3-Hydroxy Desloratadine-d4

CAS:1246819-99-7
Formula:
C19H15D4ClN2O
Color and Shape:
White To Off-White Solid
Molecular weight:
330.85

Ref: 4Z-L-1011

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Loratadine Impurity 7
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Loratadine Impurity 7

CAS:133330-61-7
Formula:
C14H9Cl2NO
Color and Shape:
White To Off-White Solid
Molecular weight:
278.13

Ref: 4Z-L-1058

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N-Desmethyl Azelastine-d4
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N-Desmethyl Azelastine-d4

CAS:47491-38-3
Formula:
C21H18ClN3OD4
Color and Shape:
White To Off-White Solid
Molecular weight:
371.91

Ref: 4Z-A-689

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Loratadine EP Impurity G (Loratadine USP Related Compound B, Methyl Loratadine)
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Loratadine EP Impurity G (Loratadine USP Related Compound B, Methyl Loratadine)

CAS:38092-89-6
Formula:
C20H21ClN2
Color and Shape:
Off-White Solid
Molecular weight:
324.85

Ref: 4Z-L-1028

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Desloratadine-d5
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Desloratadine-d5

CAS:1020719-34-9
Formula:
C19H14D5ClN2
Color and Shape:
Pink To Off-White Solid
Molecular weight:
315.86

Ref: 4Z-L-104

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Mizolastine Impurity 1
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Mizolastine Impurity 1

CAS:108635-83-2
Formula:
C20H23FN4
Molecular weight:
338.43

Ref: 4Z-M-191005

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Azelastine Impurity 1 HCl
TLC logo+ info

Azelastine Impurity 1 HCl

Formula:
C22H24ClN3OHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
381.91 36.46

Ref: 4Z-A-6817

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Rupatadine Fumarate
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Rupatadine Fumarate

CAS:182349-12-8
Formula:
C26H26ClN3C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
415.97 116.07

Ref: 4Z-R-421

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Rupatadine EP Impurity B (Loratadine EP Impurity D) (Desloratadine)
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Rupatadine EP Impurity B (Loratadine EP Impurity D) (Desloratadine)

CAS:100643-71-8
Formula:
C19H19ClN2
Molecular weight:
310.83

Ref: 4Z-R-4210

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Desloratadine Impurity 1
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Desloratadine Impurity 1

CAS:1346601-53-3
Formula:
C19H19ClN2
Color and Shape:
Off-White Solid
Molecular weight:
310.83

Ref: 4Z-L-1016

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Cetirizine 6'-O-Lactose Ester DiHCl (Mixture of alpha and beta Isomers)
TLC logo+ info

Cetirizine 6'-O-Lactose Ester DiHCl (Mixture of alpha and beta Isomers)

Formula:
C33H45ClN2O13HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
713.19 2*36.46

Ref: 4Z-C-2049

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Cetirizine EP Impurity F
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Cetirizine EP Impurity F

CAS:83881-53-2 83881-54-3
Formula:
C21H26N2O3
Color and Shape:
White To Off-White Solid
Molecular weight:
354.45

Ref: 4Z-C-2018

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Chlorphenamine-d6 Maleate
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Chlorphenamine-d6 Maleate

CAS:1185054-60-7
Formula:
C16H13ClN2D6C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
280.83 116.07

Ref: 4Z-C-483

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Montelukast Impurity 43
TLC logo+ info

Montelukast Impurity 43

CAS:287930-77-2
Formula:
C29H28ClNO2
Color and Shape:
White To Off-White Solid
Molecular weight:
458.00

Ref: 4Z-M-3071

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Levocetirizine Impurity 16 DiHCl
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Levocetirizine Impurity 16 DiHCl

CAS:942132-30-1 942193-17-1
Formula:
C19H21ClN2O2HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
344.84 2*36.46

Ref: 4Z-L-1326

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Fexofenadine EP Impurity D (Fexofenadine Methyl Ester)
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Fexofenadine EP Impurity D (Fexofenadine Methyl Ester)

CAS:154825-96-4
Formula:
C33H41NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
515.70

Ref: 4Z-F-044

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Desloratadine Impurity 9 (N-Desmethyl Azatadine)
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Desloratadine Impurity 9 (N-Desmethyl Azatadine)

CAS:38092-95-4
Formula:
C19H20N2
Color and Shape:
Off-White Solid
Molecular weight:
276.38

Ref: 4Z-L-1034

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Chlorphenamine Impurity 10
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Chlorphenamine Impurity 10

CAS:408312-83-4
Formula:
C13H12N2O
Color and Shape:
Pale Yellow Solid
Molecular weight:
212.25

Ref: 4Z-C-4831

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Azelastine Impuirty 4 HCl
TLC logo+ info

Azelastine Impuirty 4 HCl

CAS:37933-01-0
Formula:
C22H24ClN3OHCl
Color and Shape:
Pale Yellow Solid
Molecular weight:
381.91 36.46

Ref: 4Z-A-6812

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N-Desmethyl Olopatadine-d3 HCl
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N-Desmethyl Olopatadine-d3 HCl

CAS:113835-92-0
Formula:
C20H18D3NO3HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
326.41 36.46

Ref: 4Z-O-1011

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Chlorphenamine Maleate
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Chlorphenamine Maleate

CAS:113-92-8 132-22-9
Formula:
C16H19ClN2C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
274.79 116.07

Ref: 4Z-C-486

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Loratadine Impurity 1
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Loratadine Impurity 1

CAS:201466-35-5
Formula:
C22H26N2O2
Color and Shape:
White To Off-White Solid
Molecular weight:
350.46

Ref: 4Z-L-1052

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6-Hydroxy Desloratadine (Mixture of Conformational Isomers)
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6-Hydroxy Desloratadine (Mixture of Conformational Isomers)

CAS:119410-05-8
Formula:
C19H19ClN2O
Color and Shape:
White To Off-White Solid
Molecular weight:
326.83

Ref: 4Z-L-1013

Estimated delivery in United States, on Wednesday 9 Feb 2022
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alpha-Hydroxy Olopatadine Sodium Salt
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alpha-Hydroxy Olopatadine Sodium Salt

CAS:1628639-06-4
Formula:
C21H22NO4Na
Color and Shape:
White To Off-White Solid
Molecular weight:
352.41 22.99

Ref: 4Z-O-104

Estimated delivery in United States, on Wednesday 9 Feb 2022
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Chlorphenamine Impurity 5 HCl
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Chlorphenamine Impurity 5 HCl

CAS:4584-46-7
Formula:
C4H10ClNHCl
Color and Shape:
White To Off-White Solid
Molecular weight:
107.58 36.46

Ref: 4Z-C-4817

Estimated delivery in United States, on Wednesday 9 Feb 2022
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Cyproheptadine-d3
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Cyproheptadine-d3

CAS:129-03-3
Formula:
C21H18D3N
Color and Shape:
White To Off-White Solid
Molecular weight:
290.42

Ref: 4Z-C-128005

Estimated delivery in United States, on Wednesday 9 Feb 2022
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Montelukast Impurity 16
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Montelukast Impurity 16

Formula:
C34H36ClNOS
Color and Shape:
Pale Yellow Liquid
Molecular weight:
542.18

Ref: 4Z-M-3043

Estimated delivery in United States, on Wednesday 9 Feb 2022
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