Simvastatin
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Simvastatin API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : 3`,5`-Dihydrodiol Simvastatin(Mixture of Diastereomers); (1S,3R,7R,8S,8aR)-4,6-Dihydroxy-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,6,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate
Code: JCSIM-23 CAS:198818-02-9 (159143-77-8) Chemical Formula: C₂₅H₄₀O₇ Molecular Weight: 452.58 Category: Simvastatin Reference Standards/Simvastatin API Drug Metabolites/Simvastatin EP Impurities/Simvastatin USP Impurities Literature: Application: 3`,5`-Dihydrodiol Simvastatin(Mixture of Diastereomers); (1S,3R,7R,8S,8aR)-4,6-Dihydroxy-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,6,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate; 198818-02-9 is useful as reference Impurity standard. 
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Product Name : Simvastatin Methyl Ester ;Simvastatin EP Impurity J;Simvastatin Methyl Ether;2,2-Dimethylbutanoic acid (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-methoxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester |864357-88-0
Code: JCSIM-22 CAS: 864357-88-0 Chemical Formula:C26H40O5 Molecular Weight:432.59 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Methyl Ester ;Simvastatin EP Impurity J;Simvastatin Methyl Ether;2,2-Dimethylbutanoic acid (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-methoxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester |864357-88-0 is useful as reference Impurity standard. ![Simvastatin Methyl Ester ;Simvastatin EP Impurity J;Simvastatin Methyl Ether;2,2-Dimethylbutanoic acid (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-methoxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester |864357-88-0](https://drjcrbio.com/wp-content/uploads/864357-88-0.png)
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Product Name : Sitagliptin N-BOC Impurity ;(R)-tert-Butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate |486460-23-5
Code: JCSIT-22 CAS: 486460-23-5 Chemical Formula: C21H23F6N5O3 Molecular Weight: 507.43 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Sitagliptin N-BOC Impurity ;(R)-tert-Butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate |486460-23-5 is useful as reference Impurity standard. ![Sitagliptin N-BOC Impurity ;(R)-tert-Butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate |486460-23-5](https://drjcrbio.com/wp-content/uploads/Sitagliptin-N-BOC-Impurity-486460-23-5.png)
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Product Name : Sodium stearyl fumarate ;Sodium 2-octadecylfumarate | 4070-80-8
Code: JCSIT-19 CAS: 4070-80-8 Chemical Formula: C22H39NaO4 Molecular Weight: 390.53 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Sodium stearyl fumarate ;Sodium 2-octadecylfumarate | 4070-80-8 is useful as reference Impurity standard. 
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Product Name : Simvastatin Lactone Diol;Lovastatin Lactone Diol ; 6(R)-[2-(8(S)-Hydroxy]-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydro-1(S)-naphthyl]ethyl-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one | 79952-42-4
Code: JCSIM-21 CAS: 79952-42-4 Chemical Formula: C19H28O4 Molecular Weight: 320.42 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin Lactone Diol;Lovastatin Lactone Diol ; 6(R)-[2-(8(S)-Hydroxy]-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydro-1(S)-naphthyl]ethyl-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one | 79952-42-4 is useful as reference Impurity standard. ![Simvastatin Lactone Diol;Lovastatin Lactone Diol ; 6(R)-[2-(8(S)-Hydroxy]-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydro-1(S)-naphthyl]ethyl-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one | 79952-42-4](http://drjcrbio.com/wp-content/uploads/c-211.png)
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Product Name : Simvastatin EP Impurity G ;Simvastatin USP RC G ; Simvastatin-3-en ; Methylene simvastatin ; 2″-Desethyl-2″-vinyl simvastatin ; (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 | 1449248-72-9
Code: JCSIM-20 CAS: 1449248-72-9 Chemical Formula: C25H36O5 Molecular Weight: 416.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin EP Impurity G ;Simvastatin USP RC G ; Simvastatin-3-en ; Methylene simvastatin ; 2"-Desethyl-2"-vinyl simvastatin ; (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 | 1449248-72-9 is useful as reference Impurity standard. 
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Product Name : Simvastatin EP Impurity F ;Simvastatin USP RC F ; epi-Lovastatin ; Lovastatin epimer ; (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
Code: JCSIM-19 CAS: 79952-44-6 Chemical Formula: C24H36O5 Molecular Weight: 404.54 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin EP Impurity F ;Simvastatin USP RC F ; epi-Lovastatin ; Lovastatin epimer ; (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 | 79952-44-6 is useful as reference Impurity standard. ![Simvastatin EP Impurity F ;Simvastatin USP RC F ; epi-Lovastatin ; Lovastatin epimer ; (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](http://drjcrbio.com/wp-content/uploads/c-19.png)
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Product Name : Simvastatin EP Impurity E ;Simvastatin USP RC E ; Lovastatin ; Desmethyl Simvastatin ; (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
Code: JCSIM-18 CAS: 75330-75-5 Chemical Formula: C24H36O5 Molecular Weight: 404.54 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin EP Impurity E ;Simvastatin USP RC E ; Lovastatin ; Desmethyl Simvastatin ; (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 | 75330-75-5 ![Simvastatin EP Impurity E ;Simvastatin USP RC E ; Lovastatin ; Desmethyl Simvastatin ; (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](http://drjcrbio.com/wp-content/uploads/c-18.png)
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Product Name : Simvastatin EP Impurity D ;Simvastatin USP RC D ; Simvastatin Dimer ; (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
Code: JCSIM-17 CAS: | 476305-24-5 Chemical Formula: C50H76O10 Molecular Weight: 837.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: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 | 476305-24-5 is useful as reference Impurity standard. 
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Product Name : Simvastatin EP Impurity C ;Simvastatin USP RC C ; 2,3-Anhydro Simvastatin ; Dehydro Simvastatin ; Simvastatin Dehydration Product ; (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 | 210980-68-0
Code: JCSIM-16 CAS: 210980-68-0 Chemical Formula: C25H36O4 Molecular Weight: 400.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin EP Impurity C ;Simvastatin USP RC C ; 2,3-Anhydro Simvastatin ; Dehydro Simvastatin ; Simvastatin Dehydration Product ; (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 | 210980-68-0is useful as reference Impurity standard. ![Simvastatin EP Impurity C ;Simvastatin USP RC C ; 2,3-Anhydro Simvastatin ; Dehydro Simvastatin ; Simvastatin Dehydration Product ; (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 | 210980-68-0](http://drjcrbio.com/wp-content/uploads/c-16.png)
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Product Name : Simvastatin EP Impurity B;Simvastatin USP RC B ; Simvastatin Acetate Ester ; (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 | 145576-25-6
Code: JCSIM-15 CAS: 145576-25-6 Chemical Formula: C27H40O6 Molecular Weight: 460.6 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin EP Impurity B;Simvastatin USP RC B ; Simvastatin Acetate Ester ; (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 | 145576-25-6 is useful as reference Impurity standard. ![Simvastatin EP Impurity B;Simvastatin USP RC B ; Simvastatin Acetate Ester ; (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 | 145576-25-6](http://drjcrbio.com/wp-content/uploads/c-15.png)
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Product Name : Simvastatin EP Impurity A ;Simvastatin USP RC A ; Simvastatin Sodium ; Simvastatin Acid Sodium Salt ; Simvastatin Hydroxy Acid Sodium Salt ; Tenivastatin Sodium Salt | 101314-97-0
Code: JCSIM-14 CAS: 101314-97-0 Chemical Formula: C25H39NaO6 Molecular Weight: 458.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin EP Impurity A ;Simvastatin USP RC A ; Simvastatin Sodium ; Simvastatin Acid Sodium Salt ; Simvastatin Hydroxy Acid Sodium Salt ; Tenivastatin Sodium Salt | 101314-97-0 is useful as reference Impurity standard. 
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Product Name : Simvastatin Dihydro Diol Impurity ; 3’,5’-Dihydro Diol Simvastatin ; [1S-[1α,3α,4β,6α,7β,8β(2S*,4S*),8aβ]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester | 159143-77-8
Code: JCSIM-13 CAS: 159143-77-8 Chemical Formula: C25H40O7 Molecular Weight: 452.58 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Dihydro Diol Impurity ; 3’,5’-Dihydro Diol Simvastatin ; [1S-[1α,3α,4β,6α,7β,8β(2S*,4S*),8aβ]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester | 159143-77-8 is useful as reference Impurity standard. ![Simvastatin Dihydro Diol Impurity ; 3’,5’-Dihydro Diol Simvastatin ; [1S-[1α,3α,4β,6α,7β,8β(2S*,4S*),8aβ]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester | 159143-77-8](http://drjcrbio.com/wp-content/uploads/c-131.png)
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Product Name : Simvastatin beta-Hydroxy Impurity ;3″-Hydroxy Simvastatin ; 3-Hydroxy-2,2-dimethylbutanoic acid 1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl ester | 126313-98-2
Code: JCSIM-12 CAS: 126313-98-2 Chemical Formula: C25H38O6 Molecular Weight: 434.57 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin beta-Hydroxy Impurity ;3"-Hydroxy Simvastatin ; 3-Hydroxy-2,2-dimethylbutanoic acid 1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl ester | 126313-98-2 is useful as reference Impurity standard. 
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Product Name : Simvastatin Acid Triol Sodium Salt ;Lovastatin Triol Acid Sodium Salt ; Des(2-Methylbutyryl) Lovastatin Hydroxy Acid Sodium Salt ; 3,5-Dihydroxy-7-(8-hydroxy-2,6-dimethyl-1,2,6,7,8,8a-hexahydro-naphthalen-1-yl)heptenoate acid sodium salt | 132294-94-1
Code: JCSIM-11 CAS: 132294-94-1 Chemical Formula: C19H29NaO5 Molecular Weight: 360.42 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Acid Triol Sodium Salt ;Lovastatin Triol Acid Sodium Salt ; Des(2-Methylbutyryl) Lovastatin Hydroxy Acid Sodium Salt ; 3,5-Dihydroxy-7-(8-hydroxy-2,6-dimethyl-1,2,6,7,8,8a-hexahydro-naphthalen-1-yl)heptenoate acid sodium salt | 132294-94-1 is useful as reference Impurity standard. 
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Product Name : Simvastatin Acid Methyl Ester | 145576-26-7
Code: JCSIM-10 CAS: 145576-26-7 Chemical Formula: C26H42O6 Molecular Weight: 450.61 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Acid Methyl Ester | 145576-26-7Simvastatin Acid Methyl Ester | 145576-26-7is useful as reference Impurity standard. 
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Product Name : Simvastatin Acid Glycerol Ester
Code: JCSIM-09 CAS: Chemical Formula:C28H46O8 Molecular Weight: 510.66 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Acid Glycerol Esteris useful as reference Impurity standard. 
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Product Name : Simvastatin Acid Ethyl Ester | 864357-87-9
Code: JCSIM-08 CAS: 864357-87-9 Chemical Formula: C27H44O6 Molecular Weight: 464.63 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Acid Ethyl Ester | 864357-87-9 is useful as reference Impurity standard. 
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Product Name : Simvastatin Acid beta-Hydroxy Sodium Salt ;beta-Hydroxy Tenivastatin Sodium Salt ; 3″-Hydroxy Simvastatin Acid Sodium Salt ; 3″-Hydroxy Tenivastatin Sodium Salt | 126313-98-2
Code: JCSIM-07 CAS: 126313-98-2 Chemical Formula: C25H39NaO7 Molecular Weight: 474.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin Acid beta-Hydroxy Sodium Salt ;beta-Hydroxy Tenivastatin Sodium Salt ; 3"-Hydroxy Simvastatin Acid Sodium Salt ; 3"-Hydroxy Tenivastatin Sodium Salt | 126313-98-2 is useful as reference Impurity standard. 
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Product Name : Simvastatin Acid Ammonium Salt ; Simvastatin Ammonium | 139893-43-9
Code: JCSIM-06 CAS: 139893-43-9 Chemical Formula: C25H43NO6 Molecular Weight: 453.61 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin Acid Ammonium Salt ; Simvastatin Ammonium | 139893-43-9is useful as reference Impurity standard. 
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Product Name : Simvastatin ;Simvastatin Lactone ; (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate | 79902-63-9
Code: JCSIM-05 CAS: 79902-63-9 Chemical Formula: C25H38O5 Molecular Weight: 418.57 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin ;Simvastatin Lactone ; (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate | 79902-63-9 is useful as reference Impurity standard. ![Simvastatin ;Simvastatin Lactone ; (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate | 79902-63-9](http://drjcrbio.com/wp-content/uploads/c-52.png)
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Product Name : Simvastatin 6-Oxo Isomer ;6-Oxo Simvastatin Isomer ; 2,2-Dimethylbutanoic acid (1S,7R,8R,8aR)-1,2,6,7,8,8a-hexahydro-3,7-dimethyl- 6-oxo-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester | 130468-11-0
Code: JCSIM-04 CAS: 130468-11-0 Chemical Formula: C25H36O6 Molecular Weight: 432.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin 6-Oxo Isomer ;6-Oxo Simvastatin Isomer ; 2,2-Dimethylbutanoic acid (1S,7R,8R,8aR)-1,2,6,7,8,8a-hexahydro-3,7-dimethyl- 6-oxo-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester | 130468-11-0 is useful as reference Impurity standard. ![Simvastatin 6-Oxo Isomer ;6-Oxo Simvastatin Isomer ; 2,2-Dimethylbutanoic acid (1S,7R,8R,8aR)-1,2,6,7,8,8a-hexahydro-3,7-dimethyl- 6-oxo-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester | 130468-11-0](http://drjcrbio.com/wp-content/uploads/c-41.png)
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Product Name : Simvastatin 4α,5-Dihydro Impurity ; 4α,5-Dihydro Simvastatin ; Simvastatin Impurity K ; (1S,3S,4aR,7S,8S,8aS)-8-(2-((2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate
Code: JCSIM-03 CAS: NA Chemical Formula: C25H40O5 Molecular Weight: 420.58 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Simvastatin 4α,5-Dihydro Impurity ; 4α,5-Dihydro Simvastatin ; Simvastatin Impurity K ; (1S,3S,4aR,7S,8S,8aS)-8-(2-((2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate is useful as reference Impurity standard. 
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Product Name : Simvastatin 2-Methyl Impurity ; 2-Methyl Simvastatin ; 2,2-Dimethyl-(1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-Hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester butanoic acid | 774611-54-0
Code: JCSIM-02 CAS: 774611-54-0 Chemical Formula: C26H40O5 Molecular Weight: 432.59 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Simvastatin 2-Methyl Impurity ; 2-Methyl Simvastatin ; 2,2-Dimethyl-(1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-Hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester butanoic acid | 774611-54-0 is useful as reference Impurity standard. Application: ![Simvastatin 2-Methyl Impurity ; 2-Methyl Simvastatin ; 2,2-Dimethyl-(1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-Hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester butanoic acid | 774611-54-0](http://drjcrbio.com/wp-content/uploads/c-22.png)
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Product Name : Simvastatin 2,3-Anhydro Acid Sodium Salt ; Simvastatin Anhydro Acid Sodium Salt ; Anhydro Simvastatin Acid Sodium Salt ; 2,3-Dehydro Simvastatin Acid Sodium Salt | 393825-04-2
Code: JCSIM-01 CAS: 393825-04-2 Chemical Formula:C25H37NaO5 Molecular Weight: 440.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Simvastatin 2,3-Anhydro Acid Sodium Salt ; Simvastatin Anhydro Acid Sodium Salt ; Anhydro Simvastatin Acid Sodium Salt ; 2,3-Dehydro Simvastatin Acid Sodium Salt | 393825-04-2is useful as reference Impurity standard. 
