Pravastatin

Pravastatin EP Impurity A Pravastatin Impurity A:

(3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6R,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]- 1, 2, 6, 7, 8, 8a-hexahydronaphthalen-1-yl]heptanoic acid sodium salt�; CAS  : 81176-41-2 ; C23H35NaO7 ; MW: 446.51 ;
Pravastatin EP Impurity B Pravastatin Impurity B:

(3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3R)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid sodium salt ; CAS : 722504-46-3 ;

C23H35NaO8 ; MW: 462.51 ;
Pravastatin EP Impurity C Pravastatin Impurity C:

(3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylpentanoyl]oxy]-1,2,6,7,8,8ahexahydronaphthalen-1-yl]heptanoic acid sodium salt ;

CAS : 159225-12-4 (Sodium salt) ; 159345-66-1 (Acid) ; C24H37NaO7 ; MW: 460.54 ;
Pravastatin EP Impurity D Pravastatin Impurity D:

(1S,3S,7S,8S,8aR)-3-Hydroxy-8-[2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-7-methyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2S)-2-methylbutanoate ; CAS : 85956-22-5 ; C23H34O6 ; MW: 406.51 ;
Pravastatin EP Impurity E Pravastatin Impurity E:

(3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3S)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid sodium salt ;

CAS : 722504-45-2 (Sodium Salt) ; 136657-41-5 (Acid) ; C23H35NaO8 ; Mol. Wt.: 462.51 ;
Pravastatin EP Impurity F Pravastatin Impurity F:

(3R,5R)-7-[(1S,2S,6S,8S,8aR)-6,8-Dihydroxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid ; CAS : 151006-03-0 ; C18H28O6 ; Mol. Wt.: 340.41 ;
Pravastatin EP Impurity G Pravastatin Impurity G:

(βR,δR,1S,2S)-1,2-Dihydro-β,δ,6-trihydroxy-2-methyl-1-naphthaleneheptanoic acid sodium salt ; CAS : 720666-74-0 & 136590-28-8 (Sodium Salt) ; 136590-28-8 (Acid) ; C18H23NaO5 ; MW: 342.36 ;