Fexofenadine

Fexofenadine EP Impurity A Fexofenadine Impurity A :

2-[4-[4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid ; CAS : 76811-98-8 ; C32H37NO4 ; Mol. Wt.: 499.64 ;
Fexofenadine EP Impurity B Fexofenadine Impurity B:

2-[3-[(1RS)-1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoic acid ; CAS : 479035-75-1 ; C32H39NO4 ; Mol. Wt.: 501.66 ;
Fexofenadine EP Impurity C Fexofenadine Impurity C:

(1RS)-4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl]-1-[4-(1-methylethyl)phenyl]butan-1-ol ; CAS : 185066-37-9 ; C31H39NO2 ; Mol. Wt.: 457.65 ;
Fexofenadine EP Impurity D Fexofenadine Impurity D:

Fexofenadine Methyl Ester ; Methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate ; CAS : 154825-96-4 ; C33H41NO4 ; Mol. Wt.: 515.68 ;
Fexofenadine EP Impurity E Fexofenadine Impurity E:

Diphenyl(piperidin-4-yl)methanol ; CAS : 115-46-8 ; C18H21NO ; Mol. Wt.: 267.37 ;
Fexofenadine EP Impurity F Fexofenadine Impurity F:

2-[4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]propanoic acid ;

C31H37NO4 ; Mol. Wt.: 487.63 ;
Fexofenadine EP Impurity G Fexofenadine Impurity G:

2-[4-[(1RS)-4-[4-(Diphenylmethylidene)piperidin-1-yl]-1-hydroxybutyl]phenyl]-2-methylpropanoic acid ; CAS : 1187954-57-9 ; C32H37NO3 ; Mol. Wt.: 483.64 ;