Clemastine

Clemastine EP Impurity A Clemastine Impurity A:

Clemastine N-Oxide ; (1RS,2R)-2-[2-[(R)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine 1-oxide ; CAS : 108825-05-4 ;  C21H26ClNO2 ; MW: 359.89 ;
Clemastine EP Impurity B Clemastine Impurity B:

4-[1-(4-Chlorophenyl)-1-phenylethoxy]-1-methylazepane ; CAS : 61771-18-4 ;

C21H26ClNO ; MW: 343.89 ;
Clemastine EP Impurity C Clemastine Impurity C:

(RS)-1-(4-Chlorophenyl)-1-phenylethanol ; CAS : 59767-24-7 ; C14H13ClO ; MW: 232.71 ;
Clemastine EP Impurity D Clemastine Impurity D:

2-[(2RS)-1-Methylpyrrolidin-2-yl]ethanol ;  C7H15NO ; MW: 129.2 ;
Clemastine Fumarate Clemastine Fumarate:

(2R)-2-[2-[(R)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine (E)-butenedioate ; CAS : 14976-57-9 ; C25H30ClNO5 ; MW: 459.96 ;