Norethisterone acetate

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Norethisterone acetate
Norethisterone acetate.svg
Acetato de noretisterona3D.png
Systematic (IUPAC) name
(8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate
Clinical data
AHFS/ International Drug Names
MedlinePlus a604034
Legal status
Routes Oral tablet
CAS number 38673-38-0 YesY
ATC code ?
PubChem CID 63021
ChemSpider 5627 N
Chemical data
Formula C22H28O3 
Mol. mass 340.456 g/mol
 N (what is this?)  (verify)

Norethisterone acetate (INN, BAN), also known as norethindrone acetate (USAN), sold under brand names including Aygestin, Gestakadin, Milligynon, Monogest, Norlutate (Canada, USA), Primolut (Fr., Ger., Swed.), Sovel, Styptin, and others, is a steroidal progestin with additional antigonadotropic (and hence antiandrogen and antiestrogen)[1] effects that is used as a hormonal contraceptive.[2][3] It is an acetate ester of norethisterone.[4]

See also[edit]


  1. ^ Garza-Flores J, Menjívar M, Cardenas M, Reynoso M, García GA, Pérez Palacios G (January 1991). "Further studies on the antigonadotropic mechanism of action of norethisterone". The Journal of Steroid Biochemistry and Molecular Biology 38 (1): 89–93. doi:10.1016/0960-0760(91)90406-U. PMID 1825472. 
  2. ^ F.. Macdonald (1997). Dictionary of Pharmacological Agents. CRC Press. p. 1450. ISBN 978-0-412-46630-4. Retrieved 12 May 2012. 
  3. ^ Index Nominum 2000: International Drug Directory. Taylor & Francis US. 2000. p. 750. ISBN 978-3-88763-075-1. Retrieved 30 May 2012. 
  4. ^ Norethisterone Acetate @