Impurity Standards

IP, USP and EP Compliant

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Impurity Standards

Simvastatin EP Impurity F (epi-Lovastatin)

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CAS No.79952-44-6

Mol. F.C24H36O5

Mol. W.404.55

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Impurity Standards

Simvastatin EP Impurity B (Acetyl Simvastatin)

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CAS No.145576-25-6

Mol. F.C27H40O6

Mol. W.460.61

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Impurity Standards

Simvastatin EP Impurity C (Anhydro Simvastatin)

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CAS No.210980-68-0

Mol. F.C25H36O4

Mol. W.400.56

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Impurity Standards

Simvastatin EP Impurity G

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CAS No.1449248-72-9

Mol. F.C25H36O5

Mol. W.416.56

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Impurity Standards

Simvastatin Impurity H

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CAS No.79952-42-4

Mol. F.C19H28O4

Mol. W.320.43

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Impurity Standards

Simvastatin Impurity K

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CAS No.-

Mol. F.C25H40O5

Mol. W.420.59

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Impurity Standards

Simethicone Impurity 1 (Dimethylsilanediol)

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CAS No.1066-42-8

Mol. F.C2H8O2Si

Mol. W.92.17

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Impurity Standards

Simethicone Impurity 2 (1,1,3,3-Tetramethyldisiloxane-1,3-diol)

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CAS No.1118-15-6

Mol. F.C4H14O3Si2

Mol. W.166.32

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Impurity Standards

Simethicone Impurity 3 (1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol)

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CAS No.3663-50-1

Mol. F.C6H20O4Si3

Mol. W.240.48

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Impurity Standards

Simethicone Impurity 4 (1,1,3,3,5,5,7,7-Octamethyl-1,7-Tetrasiloxanediol)

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CAS No.3081-07-0

Mol. F.C8H26O5Si4

Mol. W.314.63

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