LEVONORGESTREL

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Impurity Standards

Levonorgestrel EP Impurity J (6-KetoLevonorgestrel)

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CAS No.1175109-63-3

Mol. F.C21H26O3

Mol. W.326.44

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Impurity Standards

Levonorgestrel Impurity D

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CAS No.32419-58-2

Mol. F.C21H30O

Mol. W.298.47

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Impurity Standards

Levonorgestrel Impurity 1

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CAS No.7443-72-3

Mol. F.C20H26O2

Mol. W.298.43

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Impurity Standards

Levonorgestrel Impurity 2

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CAS No.850-92-0

Mol. F.C20H24O3

Mol. W.312.41

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Impurity Standards

Levonorgestrel Impurity 3 (Mixture ofDiastereomers)

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CAS No.-

Mol. F.C20H26O3

Mol. W.314.43

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Impurity Standards

Levonorgestrel Impurity 4 (Ethylmetrienone)

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CAS No.848-04-4

Mol. F.C20H26O2

Mol. W.298.43

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Impurity Standards

Levonorgestrel Impurity P

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CAS No.100021-05-4

Mol. F.C21H28O2

Mol. W.312.46

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Impurity Standards

Levonorgestrel Impurity 5

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CAS No.-

Mol. F.C20H26O2

Mol. W.298.43

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Impurity Standards

Levonorgestrel Impurity C

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CAS No.1337972-89-0

Mol. F.C23H28O

Mol. W.320.48

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Impurity Standards

Levonorgestrel Impurity 6

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CAS No.-

Mol. F.C21H28O3

Mol. W.328.45

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