Fexofenadine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. It is sold under the trade name Allegra & FX 24. Reference standards of Fexofenadine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
meta-Fexofenadine
Catalogue No.:PA 06 17020
CAS :
Molecular Formula : C32H39NO4
Molecular Weight : 501.66
4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-butyn-1-yl]-α,α-dimethyl-benzeneacetic Acid
Catalogue No.:PA 06 17040
Molecular Formula : C32H35NO3
Molecular Weight : 481.63
Diphenyl(piperidin-4-yl)methanol
Catalogue No.:PA 06 17050
Molecular Formula : C18H21NO
Molecular Weight : 267.37
4-(4-Chloro-1-oxobutyl)-α,α-dimethylbenzeneacetic Acid Methyl Ester
Catalogue No.:PA 06 17510
Molecular Formula : C15H19ClO3
Molecular Weight : 282.76
2-Phenylisobutyric Acid
Catalogue No.:PA 06 17520
Molecular Formula : C10H12O2
Molecular Weight : 164.2
Methyl 4-(Cyanomethyl)benzoate
Catalogue No.:PA 06 17540
Molecular Formula : C10H9NO2
Molecular Weight : 175.18
Methyl 2-(4-(4-Hydroxybutanoyl)phenyl)-2-methylpropanoate
Catalogue No.:PA 06 17550
Molecular Formula : C15H20O4
Molecular Weight : 264.32
Methyl 2-(3-(4-Chlorobutanoyl)phenyl)-2-methylpropanoate
Catalogue No.:PA 06 17560
Methyl 2-Methyl-2-phenylpropanoate
Catalogue No.:PA 06 17570
Molecular Formula : C11H14O2
Molecular Weight : 178.23
4-(Cyclopropylcarbonyl)-α,α-dimethylbenzeneacetic Acid
Catalogue No.:PA 06 17580
Molecular Formula : C14H16O3
Molecular Weight : 232.28
Fexofenadine
Catalogue No.:PA 06 17590
2-(4-(4-(4-(4-Benzoylphenyl)piperidin-1-yl)-1-hydroxybutyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PA 06 17600
Molecular Formula : C32H37NO4
Molecular Weight : 499.64
1-Oxo Fexofenadine Methyl Ester
Catalogue No.:PA 06 17620
Molecular Formula : C33H39NO4
Molecular Weight : 513.67
(1-Benzylpiperidin-4-yl)diphenyl-d10-methanol
Catalogue No.:PA STI 088130
Molecular Formula : C25H17D10NO
Molecular Weight : 367.55
Decarboxy Fexofenadine-d3
Catalogue No.:PA STI 088131
Molecular Formula : C31H36D3NO2
Molecular Weight : 460.67
(Decarboxy)-1-Oxo Fexofenadine-d10 Methanol
Catalogue No.:PA STI 088132
Molecular Formula : C32H29D10NO3
Molecular Weight : 495.72
1-Dehydroxy-1-dehyro-fexofenadine-d6 Methyl Ester
Catalogue No.:PA STI 088133
Molecular Formula : C33H31D6NO3
Molecular Weight : 501.69
Fexofenadine-d10 Hydrochloride
Catalogue No.:PA STI 088134
Molecular Formula : C32H30D10ClNO4
Molecular Weight : 548.18
Fexofenadine-d6
Catalogue No.:PA STI 088135
Molecular Formula : C32H33D6NO4
Molecular Weight : 507.69
Fexofenadine-d6 Methyl Ester
Catalogue No.:PA STI 088136
Molecular Formula : C33H35D6NO4
Molecular Weight : 521.72
Fexofenadine-d10 Methyl Ester
Catalogue No.:PA STI 088137
Molecular Formula : C33H31D10NO4
Molecular Weight : 525.74
1-Oxo Fexofenadine-d6 Methyl Ester
Catalogue No.:PA STI 088138
Molecular Formula : C33H33D6NO4
Molecular Weight : 519.70
1-Oxo Fexofenadine-d10 Methyl Ester
Catalogue No.:PA STI 088139
Molecular Formula : C33H29D10NO4
Molecular Weight : 523.73
α-(4-Piperidyl)benzhydrol-d10
Catalogue No.:PA STI 088140
Molecular Formula : C18H11D10NO
Molecular Weight : 277.43
Methyl 2-(3-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoate
Catalogue No.:PAI 06 002010
2-(3-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PAI 06 002020
2-(3-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PAI 06 002030
4-Chloro-1-(4-isopropylphenyl)butan-1-one
Catalogue No.:PAI 06 002040
Molecular Formula : C13H17ClO
Molecular Weight : 224.73
4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)-1-(4-isopropylphenyl)butan-1-one
Catalogue No.:PAI 06 002050
Molecular Formula : C31H37NO2
Molecular Weight : 455.63
2-(3-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)but-1-en-1-yl)phenyl)-2-methylpropanoic Acid Hydrochloride
Catalogue No.:PA 06 17630
Molecular Formula : C32H38ClNO3
Molecular Weight : 520.11
Catalogue No.:PA IPIPRS 03 11
Molecular Formula :
Molecular Weight : NA
Fexofenadine Hydrochloride (JP 0083)
Catalogue No.:PA JP0083
Molecular Formula : NA
Fexofenadine impurity A (Y0000751)
Catalogue No.:PA EPY0000751
Fexofenadine impurity B (Y0000752)
Catalogue No.:PA EPY0000752
Fexofenadine impurity C (Y0000753)
Catalogue No.:PA EPY0000753
Fexofenadine hydrochloride (Y0000789)
Catalogue No.:PA EPY0000789
fexofenadine hydrochloride (1095RB)
Catalogue No.:PA BP1095RB
fexofenadine impurity standard (1096RB)
Catalogue No.:PA BP1096RB
Fexofenadine Hydrochloride (1270377)
Catalogue No.:PA USP1270377
Fexofenadine Related Compound A (4-[1-oxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-alpha,a (1270388)
Catalogue No.:PA USP1270388
Fexofenadine Related Compound B (3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-alp (1270399)
Catalogue No.:PA USP1270399
Fexofenadine Related Compound C ((+/-)-4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-but (1270446)
Catalogue No.:PA USP1270446
(Z)-4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-buten-1-yl]-α,α-dimethyl-benzeneacetic Acid
Catalogue No.:PA 06 17640
Molecular Formula : C32H37NO3
Molecular Weight : 483.65
2-(3-(4-Chlorobutanoyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PAI 06 002060
Molecular Formula : C14H17ClO3
Molecular Weight : 268.74
Methyl 2-(3-(1-hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoate
Catalogue No.:PAI 06 002070
Molecular Formula : C33H41NO4
Molecular Weight : 515.69
2-(4-(4-(4-(Diphenylmethylene)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic Acid Methyl Ester
Catalogue No.:PA 06 0171003
Molecular Formula : C33H37NO3
Molecular Weight : 495.66
4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)-1-(4-(prop-1-en-2-yl)phenyl)butan-1-one
Catalogue No.:PA 06 0171002
Molecular Formula : C31H35NO2
Molecular Weight : 453.63
(R)-Fexofenadine
Catalogue No.:PA 06 0171004
Molecular Weight : 501.67
(S)-Fexofenadine
Catalogue No.:PA 06 0171005
Ethyl 2-(4-(1-hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoate
Catalogue No.:PA 06 0171006
Molecular Formula : C34H43NO4
Molecular Weight : 529.72
Methyl 2-(3-Bromophenyl)-2-methylpropanoate
Catalogue No.:PAI 06 002071
Molecular Formula : C11H13BrO2
Molecular Weight : 257.13
Methyl 2-(3-(4-hydroxybut-1-yn-1-yl)phenyl)-2-methylpropanoate
Catalogue No.:PAI 06 002072
Molecular Formula : C15H18O3
Molecular Weight : 246.31
Methyl 2-(3-(2-methoxytetrahydrofuran-2-yl)phenyl)-2-methylpropanoate
Catalogue No.:PAI 06 002073
Molecular Formula : C16H22O4
Molecular Weight : 278.35
(E)-2-(4-(4-(4-(Diphenylmethylene)piperidin-1-yl)but-1-en-1-yl)phenyl)-2-methylpropanoic Acid;
Catalogue No.:PA 06 0171008
Molecular Formula : C32H35NO2
Molecular Weight : 465.64
2-(4-(4-(4-Benzhydrylpiperidin-1-yl)-1-hydroxybutyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PA 06 0171009
Molecular Formula : C32H39NO3
Molecular Weight : 485.67
2-(4-(4-(4-(Diphenylmethylene)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PA 06 0171010
Molecular Weight : 481.64
2-(4-(1,4-Dihydroxybutyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PA 06 0171011
Molecular Formula : C14H20O4
Molecular Weight : 252.31
2-(4-(4-Chloro-1-hydroxybutyl)phenyl)-2-methylpropanoic Acid
Catalogue No.:PA 06 0171012
Molecular Formula : C14H19ClO3
Molecular Weight : 270.75
Diphenyl(piperidin-3-yl)methanol
Catalogue No.:PA 06 0171000
Methyl 2-(4-(4-(3-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoate
Catalogue No.:PA 06 0171013
Molecular Weight : 513.68
Fexofenadine Impurity A (IMPF004)
Catalogue No.:PA IMPF004
Fexofenadine Impurity B (IMP/09/17)
Catalogue No.:PA IMP 09 17
4-(Diphenylmethylene)piperidine
Catalogue No.:PA 06 0171001
Molecular Formula : C18H19N
Molecular Weight : 249.36
Fexofenadine Hydrochloride (IPRSF014)
Catalogue No.:PA IPRSF014
Fexofenadine (1270363)
Catalogue No.:PA USP1270363
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