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Norethisterone

Norethisterone

Product Details

Product:NameNorethisterone

Other Name: Norethindrone 

Specification:99%

Appearance:White or almost white crystalline powder

CAS NO.:68-22-4

Molecular Formula:C20H26O2 

Molecular Weight:298.42

Grade:Medicine Grade


Norethisterone is an ingredient in some birth control pills and hormone replacement therapy. In combination with ethinyl estradiol it is used ascontraception, and for women who want contraception it is also approved by the U.S. Food and Drug Administration (FDA) to treat moderate acne andpremenstrual dysphoric disorder.



Items

Standard

Results

Appearance 

White or almost white crystalline powder

white crystalline powder

Identification

IR pattern consistent with the spectral set

Conforms

 

Loss on drying

≤0.5%

0.2%

Specific rotation

-32°~-37°

32.8°

Related substances

Impurity A

≤0.1%

0.1%

Impurity B

≤0.1%

Not detected

Impurity C

≤0.2%

0.01%

Impurity D

≤0.2%

0.03%

Impurity E

≤0.2%

Not detected

Impurity F

≤0.1%

Not detected

Impurity G

≤0.2%

0.01%

Impurity H

≤0.2%

0.04%

Any other impurity

≤1.0%

0.02%

Total impuroties

≤0.3%

0.13%

Content 

98.0%~101.0%

99.8%

Conclusion:       Meets the specification of BP2015


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