Melengestrol acetate

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Melengestrol acetate
Melengestrol acetate.png
Systematic (IUPAC) name
17-hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione acetate
CAS Registry Number 2919-66-6
ATC code None
PubChem CID: 250948
ChemSpider 219803
Chemical data
Formula C25H32O4
Molecular mass 396.519 g/mol

Melengestrol acetate (INN, USAN), sometimes abbreviated as MGA, is a steroidal progestin and antineoplastic agent.1 It is not approved for use in humans, and is instead used as a feed additive to promote growth in cattle, a purpose it is licensed for in the United States and Canada.2 It is an acetate ester of melengestrol, which in contrast, is not used in either animals or humans.1

See also


  1. ^ a b David J. Triggle (1997). Dictionary of pharmacological agents. London: Chapman & Hall. p. 1269. ISBN 0-412-46630-9. 
  2. ^ Jack F. Kay (26 November 2009). Analyses for Hormonal Substances in Food-Producing Animals. Royal Society of Chemistry. p. 139. ISBN 978-0-85404-198-5. Retrieved 27 May 2012.