Fexofenadine EP Impurity B

CAS No :

479035-75-1?

Molecular Formula:

C32H39NO4

Molecular Weight:

501.66

Chemical Name:

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulfinyl]-N'-aminosulfonylpropanimidamide ;

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Fexofenadine EP Impurity C

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Molecular Formula:​ C31H39NO2

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Fexofenadine EP Impurity A

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Molecular Formula:​ C32H37NO4?

Molecular Weight: ​499.64

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Fexofenadine EP Impurity E

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Molecular Formula:​ ?C18H21NO

Molecular Weight: ​267.37

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Methyl 2-(3-(4-Chlorobutanoyl) Phenyl)-2-Methylpropanoate

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Molecular Formula:​ C15 H19 Cl O3

Molecular Weight: ​282.76

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Fexofenadine EP Impurity D

CAS No: ​154825-96-4?

Molecular Formula:​ C33H41NO4?

Molecular Weight: ​515.68

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Fexofenadine HCl

CAS No: ​153439-40-8?

Molecular Formula:​ C32H40ClNO4

Molecular Weight: ​538.12?

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