API Oral Contraceptive Hormone Norethisterone For Breast Cancer
Cure CAS 68-22-4
|CAS Registry Number||68-22-4|
|Boiling point||447°C at 760 mmHg|
|Vapour Pressure||7.22E-10mmHg at 25°C|
Norethindrone is a form of progesterone, a female hormone.
Norethindrone prevents ovulation (the release of an egg from an
ovary). This medication also causes changes in your cervical mucus
and uterine lining, making it harder for sperm to reach the uterus
and harder for a fertilized egg to attach to the uterus.
Norethindrone is used for birth control (contraception) to prevent
pregnancy. Norethindrone is also used to treat menstrual disorders,
endometriosis, or abnormal vaginal bleeding caused by a hormone
Norethindrone may also be used for other purposes not listed in
this medication guide.
How should I take norethindrone?
Take this medication exactly as it was prescribed for you. Do not
take the medication in larger amounts, or take it for longer than
recommended by your doctor. Follow the directions on your
You may need to use back-up birth control, such as condoms or a
spermicide, when you first start using this medication. Follow your
If you need to have any type of medical tests or surgery, or if you
will be on bed rest, you may need to stop using this medication for
a short time. Any doctor or surgeon who treats you should know that
you are using norethindrone.
Your doctor will need to see you on a regular basis while you are
using this medication. Do not miss any appointments.
Store this medication at room temperature away from moisture and
|Product Name||Norethindrone||Batch Size|
|Manufacturing Date||2017.01.09||Batch No.||20170109|
|Expiry Date||2021.01.08||Report Date||2017.01.16|
|Characteristics||White to creamy white, odorless, crystalline powder.||Pass|
|Is stable in air.|
|Solubility||Soluble in chloroform and in dioxane; sparingly soluble||Pass|
|in alcohol; slightly soluble in ether; practically insoluble in
|Completeness of solution||The solution called for in the test for Specific rotation is clear||Pass|
|and free from undissolved solid.|
|Melting point||202 ~ 208℃||203~206.5℃|
|Specific optical rotation||﹣30° ～﹣38°||﹣34.2°|
|Loss on drying||≤0.5%||0.20%|
|Limit of ethynyl group||8.18%～8.43%||8.30%|
|Assay||97 .0~ 102.0%||99.45%|
|Related substances||only one impurity≤0.5%||Pass|
|Conclusion||This batch complies with USP36|