Impurity Standards

IP, USP and EP Compliant

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Impurity Standards

Sepiapterin Impurity 1

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CAS No.-

Mol. F.C9H13N5O2

Mol. W.223.24

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Impurity Standards

Spironolactone Impurity 4 (7-alpha-Thio Spironolactone)

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CAS No.38753-76-3

Mol. F.C22H30O3S

Mol. W.374.54

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Impurity Standards

Spironolactone Impurity 5

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CAS No.-

Mol. F.C20H28O2

Mol. W.300.44

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Impurity Standards

Spironolactone Impurity 6

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CAS No.-

Mol. F.C22H32O2

Mol. W.328.50

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Impurity Standards

Spironolactone EP Impurity E (7-BetaSpironolactone)

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CAS No.33784-05-3

Mol. F.C24H32O4S

Mol. W.416.58

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Impurity Standards

Spironolactone EP Impurity A

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CAS No.132458-33-4

Mol. F.C24H30O4S

Mol. W.414.56

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Impurity Standards

Spironolactone EP Impurity C

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CAS No.976-70-5

Mol. F.C22H30O3

Mol. W.342.48

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Impurity Standards

Spironolactone EP Impurity D (DisulfanylSpironolactone)

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CAS No.-

Mol. F.C24H32O4S2

Mol. W.448.64

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Impurity Standards

Spironolactone EP Impurity I

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CAS No.-

Mol. F.C24H36O4S

Mol. W.420.61

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Impurity Standards

Spironolactone EP Impurity F (Canrenone)

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CAS No.976-71-6

Mol. F.C22H28O3

Mol. W.340.46

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