Active Ingredient History

  • Now
Norethynodrel is a steroidal progestin of the 19-nortestosterone group and an isomer of norethisterone. Norethynodrel is a progesteron agonist with very weak estrogenic activiry. Noretynodrel was introduced in 1957 in Enovid, a combination formulation of noretynodrel and mestranol, for the treatment of gynecological and menstrual disorders.A few years later, in May 1960, Enovid was also approved as the first oral contraceptive.   NCATS

  • SMILES: C[C@]12CC[C@H]3[C@@H](CCC4=C3CCC(=O)C4)[C@@H]1CC[C@@]2(O)C#C
  • Mol. Mass: 298.4192
  • ALogP: 3.64
  • ChEMBL Molecule:
More Chemistry
  • Mechanisms of Action: Missing data
  • Multi-specific: Missing data
  • Black Box: No
  • Availability: Discontinued
  • Delivery Methods: Oral
  • Pro Drug: No

Combination drugs

( norethynodrel, mestranol - other name: enovi )
norethinodrel | norethynodrel | noretynodrel


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