Warfarin

Warfarin EP Impurity A Warfarin  Impurity A:

(5RS)-3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone ; CAS : 15156-56-6 ; C18H16O2 ; MW: 264.32 ;
Warfarin EP Impurity B Warfarin Impurity B:

4-Hydroxycoumarin ; 4-Hydroxy-2H-1-benzopyran-2-one ; CAS : 1076-38-6 ; C9H6O3 ; MW: 162.14 ;
Warfarin EP Impurity C Warfarin Impurity C :

Benzalacetone ; Benzylideneacetone ; (3E)-4-Phenylbut-3-en-2-one ; CAS :122-57-6 ; C10H10O ; MW: 146.19 ;
Warfarin R-Isomer Warfarin R-Isomer:

2-Oxo-3-[(R)-3-oxo-1-phenylbutyl]-2H-1-benzopyran-4-ol ; CAS : 5543-58-8 ;

C19H16O4 ; MW: 308.33 ;
Warfarin S-Isomer

Warfarin S-Isomer :

2-Oxo-3-[(S)-3-oxo-1-phenylbutyl]-2H-1-benzopyran-4-ol ; CAS : 5543-57-7 ;  C19H16O4 ; MW: 308.33 ;
WARFARIN chemical reference standard

WARFARIN chemical reference standard :

4-Hydroxy-3-(3-oxo-1-phenyl-butyl)-2H-1-benzopyran-2-one ;  CAS : 81-81-2 ; C19H15NaO4 ; MW: 330.31  g/mol ;