high quality Norethisterone powder

Other name contraceptive; Aygestin; Norethisterone
CAS: 68-22-4
EINECS 200-681-6
Molecular formula C20H26O2
Molecular weight 298.42
Assay 99%
s/ky:Arthurkris
Payment:T/T, Western Union and Money Gram
Delivery:Within 24hours After Your Payment
Express: EMS, DHL, FedEx, etc(door-to-door)

Product description:

Norethisterone (or norethindrone) (or 19-nor-17α-ethynyltestosterone) is a molecule used in some combined oral contraceptive pills, progestogen only pills and is also available as a stand-alone drug. It is a progestogen and can be used to treat premenstrual syndrome, painful periods, abnormal heavy bleeding, irregular periods, menopausal syndrome (in combination with oestrogen), or to postpone a period. It is also commonly used to help prevent uterine hemorrhage in complicated non-surgical or pre-surgical gynecologic cases. Norethindrone was the first orally highly active progestin to be synthesized. It was synthesized for the first time by chemists Luis Miramontes, Carl Djerassi, and George Rosenkranz at Syntex in Mexico City in 1951. It was the progestin used in one of the first three oral contraceptives. Its related ester, norethisterone acetate, is used for the same indications



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