Antihistaminics
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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(S)-Chlorphenamine Maleate (Dexchlorpheniramine Maleate)
CAS:2438-32-6
Formula:
C16H19ClN2·C4H4O4
Color and Shape:
White To Off-White Solid
Molecular weight:
274.79 116.07
Ref: 4Z-C-484
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Olopatadine Carbaldehyde HCl (Mixture of Z and E Isomers)
Formula:
C20H21NO2·HCl
Color and Shape:
Off-White Solid
Molecular weight:
307.39 36.46
Ref: 4Z-O-1012
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Epinastine Impurity 9
Formula:
C15H15NO
Color and Shape:
White To Off-White Solid
Molecular weight:
225.29
Ref: 4Z-E-4318
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Olopatadine USP Related Compound B (Olopatadine N-Oxide)
CAS:173174-07-7
Formula:
C21H23NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
353.42
Ref: 4Z-O-101
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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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Cyproheptadine HCl
CAS:41354-29-4
Formula:
C21H21N·HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
287.41 36.46
Ref: 4Z-C-128002
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Montelukast Sulfone
CAS:1266620-74-9
Formula:
C35H36ClNO5S
Color and Shape:
Yellow Solid
Molecular weight:
618.19
Ref: 4Z-M-3017
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Desloratadine EP Impurity B DiHCl (Iso Desloratadine DiHCl)
CAS:183198-49-4
Formula:
C19H19ClN2HCl
Color and Shape:
Red Solid
Molecular weight:
310.83 2*36.46
Ref: 4Z-L-1029
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Mizolastine-13C-d3
CAS:108612-45-9
Formula:
C2313CH22D3FN6O
Color and Shape:
White To Off-White Solid
Molecular weight:
436.51
Ref: 4Z-M-191002
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3-Hydroxy Desloratadine-O-Glucuronide
CAS:774538-89-5
Formula:
C25H27ClN2O7
Color and Shape:
White To Off-White Solid
Molecular weight:
502.95
Ref: 4Z-L-10102
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(R)-Cetirizine EP Impurity A ((R)-Hydroxyzine USP Related Compound A)
CAS:300543-56-0
Formula:
C17H19ClN2
Molecular weight:
286.80
Ref: 4Z-C-2066
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Fexofenadine Impurity 32
Formula:
C32H37NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
499.65
Ref: 4Z-F-045
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Ref: 4Z-R-4221
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Ref: 4Z-C-2070
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Ref: 4Z-C-4841
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(E)-N-Desmethyl Olopatadine-d3 HCl
CAS:849721-29-5
Formula:
C20H18D3NO3·HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
326.41 36.46
Ref: 4Z-O-1018
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Cetirizine Methyl Ester HCl
Formula:
C22H27ClN2O3·HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
402.93 36.46
Ref: 4Z-C-2019
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Montelukast EP Impurity A Sodium Salt
Formula:
C35H35ClNO3S·Na
Color and Shape:
White Solid
Molecular weight:
585.18 22.99
Ref: 4Z-M-3015
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Desloratadine EP Impurity A DiHCl (11-Fluoro Desloratadine DiHCl)
Formula:
C19H20ClFN2HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
330.84 2*36.46
Ref: 4Z-L-1039
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