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Antihistaminics

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BrandProduct dataPurityPrice rangeEstimated delivery
TLC logo
Montelukast Impurity 40
REF: 4Z-M-3068CAS: 150026-73-6 		- - -To inquireWed 19 Feb 25
TLC logo
Montelukast Cyclopropacetaneamide Impurity
REF: 4Z-M-3019CAS: 866923-63-9 		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 1
REF: 4Z-F-0412CAS: 153439-40-8 		- - -To inquireWed 19 Feb 25
TLC logo
Epinastine Impurity 23
REF: 4Z-E-4333CAS: 1216548-20-7 		- - -To inquireWed 19 Feb 25
TLC logo
Rupatadine Impurity 16
REF: 4Z-R-4228CAS: 1354055-68-7 		- - -To inquireWed 19 Feb 25
TLC logo
Montelukast Impurity 32
REF: 4Z-M-3059CAS:
- - -To inquireWed 19 Feb 25
TLC logo
Loratadine Impurity 21
REF: 4Z-L-1076CAS: 774538-89-5 		- - -To inquireWed 19 Feb 25
TLC logo
Epinastine Impurity 11
REF: 4Z-E-4320		- - -To inquireWed 19 Feb 25
TLC logo
Epinastine Impurity 32
REF: 4Z-E-4342CAS: 80012-85-7 		- - -To inquireWed 19 Feb 25
TLC logo
Loratadine Impurity 44
REF: 4Z-L-10112CAS: 79794-75-5 		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 16
REF: 4Z-F-0428CAS: 1215821-44-5 		- - -To inquireWed 19 Feb 25
TLC logo
Mizolastine Impurity 2
REF: 4Z-M-191006CAS: 352431-15-3 		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 37
REF: 4Z-F-0450CAS: 24911-30-6 		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 34
REF: 4Z-F-0447		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 35
REF: 4Z-F-0448CAS: 169032-16-0 		- - -To inquireWed 19 Feb 25
TLC logo
N-Nitroso Fexofenadine EP Impurity C
REF: 4Z-F-0445		- - -To inquireWed 19 Feb 25
TLC logo
Fexofenadine Impurity 36
REF: 4Z-F-0449CAS: 169280-26-6 		- - -To inquireWed 19 Feb 25
TLC logo
Olopatadine Impurity 24
REF: 4Z-O-1046CAS: 113806-01-2 		- - -To inquireWed 19 Feb 25
TLC logo
Olopatadine Impurity 26
REF: 4Z-O-1048CAS: 55689-64-0 		- - -To inquireWed 19 Feb 25
TLC logo
Olopatadine Impurity 22
REF: 4Z-O-1043		- - -To inquireWed 19 Feb 25
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Montelukast Impurity 40
TLC logo
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Montelukast Impurity 40

CAS:150026-73-6
Formula:
C28H24ClNO2
Color and Shape:
Yellow Solid
Molecular weight:
441.96

Ref: 4Z-M-3068

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Montelukast Cyclopropacetaneamide Impurity
TLC logo
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Montelukast Cyclopropacetaneamide Impurity

CAS:866923-63-9
Formula:
C35H37ClN2O2S
Color and Shape:
Pale Yellow Solid
Molecular weight:
585.21

Ref: 4Z-M-3019

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 1
TLC logo
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Fexofenadine Impurity 1

CAS:153439-40-8
Formula:
C31H37NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
487.64

Ref: 4Z-F-0412

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Epinastine Impurity 23
TLC logo
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Epinastine Impurity 23

CAS:1216548-20-7
Formula:
C23H21N3OS
Color and Shape:
White To Off-White Solid
Molecular weight:
387.50

Ref: 4Z-E-4333

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Rupatadine Impurity 16
TLC logo
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Rupatadine Impurity 16

CAS:1354055-68-7
Formula:
C26H24ClN3O3
Color and Shape:
Off-White Solid
Molecular weight:
461.95

Ref: 4Z-R-4228

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Montelukast Impurity 32
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Montelukast Impurity 32

CAS:1093746-29-2 158966-92-8
Formula:
C29H26ClNO
Molecular weight:
439.98

Ref: 4Z-M-3059

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Loratadine Impurity 21
TLC logo
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Loratadine Impurity 21

CAS:774538-89-5
Formula:
C19H21ClN2O
Color and Shape:
White To Off-White Solid
Molecular weight:
328.84

Ref: 4Z-L-1076

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Epinastine Impurity 11
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Epinastine Impurity 11

Formula:
C15H12N2O
Color and Shape:
Off-White Solid
Molecular weight:
236.27

Ref: 4Z-E-4320

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Epinastine Impurity 32
TLC logo
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Epinastine Impurity 32

CAS:80012-85-7
Formula:
C16H14N2S
Color and Shape:
Pale Brown Solid
Molecular weight:
266.36

Ref: 4Z-E-4342

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Loratadine Impurity 44
TLC logo
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Loratadine Impurity 44

CAS:79794-75-5
Formula:
C20H19ClN2O
Molecular weight:
338.84

Ref: 4Z-L-10112

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 16
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Fexofenadine Impurity 16

CAS:1215821-44-5
Formula:
C38H51NO7
Color and Shape:
White To Off-White Solid
Molecular weight:
633.83

Ref: 4Z-F-0428

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Mizolastine Impurity 2
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Mizolastine Impurity 2

CAS:352431-15-3
Formula:
C22H25FN4O
Color and Shape:
White To Off-White Solid
Molecular weight:
380.47

Ref: 4Z-M-191006

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 37
TLC logo
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Fexofenadine Impurity 37

CAS:24911-30-6
Formula:
C11H12O4
Molecular weight:
208.21

Ref: 4Z-F-0450

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 34
TLC logo
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Fexofenadine Impurity 34

Formula:
C33H39NO4
Molecular weight:
513.68

Ref: 4Z-F-0447

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 35
TLC logo
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Fexofenadine Impurity 35

CAS:169032-16-0
Formula:
C14H18ClNO2
Molecular weight:
267.75

Ref: 4Z-F-0448

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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N-Nitroso Fexofenadine EP Impurity C
TLC logo
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N-Nitroso Fexofenadine EP Impurity C

Formula:
C31H39NO3
Molecular weight:
473.66

Ref: 4Z-F-0445

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Fexofenadine Impurity 36
TLC logo
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Fexofenadine Impurity 36

CAS:169280-26-6
Formula:
C14H18O2
Molecular weight:
218.30

Ref: 4Z-F-0449

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Olopatadine Impurity 24
TLC logo
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Olopatadine Impurity 24

CAS:113806-01-2
Formula:
C22H25NO3
Molecular weight:
351.45

Ref: 4Z-O-1046

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Olopatadine Impurity 26
TLC logo
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Olopatadine Impurity 26

CAS:55689-64-0
Formula:
C17H14O4
Molecular weight:
282.30

Ref: 4Z-O-1048

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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Olopatadine Impurity 22
TLC logo
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Olopatadine Impurity 22

Formula:
C17H14O2
Molecular weight:
250.30

Ref: 4Z-O-1043

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Estimated delivery in United States, on Wednesday 19 Feb 2025
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