Simvastatin

Simvastatin EP Impurity A Simvastatin Impurity A:

Tenivastatin Sodium ; CAS : 101314-97-0 ; C25H39NaO6 ; MW: 458.56 ;
Simvastatin EP Impurity B Simvastatin Impurity B:

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-(acetyloxy)-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate ;

CAS : 145576-25-6 ; C27H40O6 ; MW: 460.6 ;
Simvastatin EP Impurity C Simvastatin Impurity C:

(1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate ; CAS : 210980-68-0 ; C25H36O4 ; MW: 400.55 ;
Simvastatin EP Impurity D Simvastatin Impurity D :

Simvastatin Dimer Impurity ; (3R,5R)-((2R,4R)-2-(2-((1S,2S,6R,8S)-8-(2,2-Dimethylbutanoyloxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)ethyl)-6-oxo-tetrahydro-2H-pyran-4-yl) 7-((2S,6R,8S)-8-(2,2-dimethylbutanoyloxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-3,5-dihydroxyheptanoate ;

CAS : 476305-24-5  ; C50H76O10 ; MW: 837.13 ;
Simvastatin EP Impurity E Simvastatin Impurity E:

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl-(2S)-2-methylbutanoate ;

CAS : 75330-75-5 ; C24H36O5 ; MW: 404.54 ;
Simvastatin EP Impurity F Simvastatin Impurity F:

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2R)-2-methylbutanoate ;

CAS : 79952-44-6 ; C24H36O5 ; MW: 404.54 ;
Simvastatin EP Impurity G Simvastatin Impurity G:

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbut-3-enoate ;

CAS : 1449248-72-9 ; C25H36O5 ; MW: 416.55 ;