Fexofenadine is a second-generation antihistamine commonly used to treat allergic rhinitis and chronic urticaria by selectively blocking peripheral H1 receptors, thus reducing allergy symptoms without causing significant drowsiness. It is the active metabolite of terfenadine and offers a safer cardiac profile. Ensuring the pharmaceutical purity of Fexofenadine is vital for patient safety, therapeutic consistency, and adherence to regulatory standards. Impurity profiling plays a key role in identifying and controlling unwanted substances that may arise during synthesis, storage, or degradation. Here are some of its known impurities listed below.
Showing 1 - 9 of 9 products
Catalogue No : FEXO-OCL-003
CAS No : 76811-98-8
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Synonyms
2-[4-[4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid
2-[4-[4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid
Catalogue No : FEXO-OCL-004
CAS No : 479035-75-1
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Synonyms
2-[3-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid
2-[3-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid
Catalogue No : FEXO-OCL-005
CAS No : 185066-37-9
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Synonyms
(1RS)-4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]-1-[4-(1-methylethyl)phenyl]butan-1-ol
(1RS)-4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]-1-[4-(1-methylethyl)phenyl]butan-1-ol
Catalogue No : FEXO-OCL-006
CAS No : 154825-96-4
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Synonyms
Methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate
Methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate
Catalogue No : FEXO-OCL-007
CAS No : 115-46-8
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Synonyms
Diphenyl(piperidin-4-yl)methanol
Diphenyl(piperidin-4-yl)methanol
Catalogue No : FEXO-OCL-008
CAS No : 185066-33-5
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Synonyms
2-[4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]propanoic acid
2-[4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]propanoic acid
Catalogue No : FEXO-OCL-009
CAS No : 1187954-57-9
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Synonyms
2-[4-[(1RS)-4-[4-(Diphenylmethylidene)piperidin-1-yl]-1-hydroxybutyl]phenyl]-2-methylpropanoic acid
2-[4-[(1RS)-4-[4-(Diphenylmethylidene)piperidin-1-yl]-1-hydroxybutyl]phenyl]-2-methylpropanoic acid
Catalogue No : FEXO-OCL-001
CAS No : 153439-40-8
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Synonyms
2-[4-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid hydrochloride
2-[4-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid hydrochloride
Catalogue No : FEXO-OCL-002
CAS No : N/A
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Synonyms
2-[3-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid methyl ester
2-[3-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid methyl ester