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NORETHISTERONE (norethindrone) CAS No.:68-22-4

NORETHISTERONE  (norethindrone) CAS No.:68-22-4

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Product Description

Product Name:NORETHISTERONE

Synonym:NORETHISTERONE;68-22-4;norethindrone;19-NOR-4-ETHISTERONE;19-NORETHINDRONE;19-NORETHISTERONE;NORLUTIN;

Molecular Formula:C20H26O2

Formula Weight:298.43

CAS No.:68-22-4

Appearance:White Powder

Usage:Norethindrone and acetate in combination with estrogen as contraceptive (oral). It is reasonably anticipated to be a human carcinogen


Description:Norethisterone (or norethindrone) 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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