Acetomepregenol

Acetomepregenol
Clinical data
Trade namesDiamol
Other namesACM; Mepregenol diacetate; Diamol; Megestrol diacetate; Megestrol 3β,17α-diacetate; 3β,17α-Diacetoxy-6-methylpregna-4,6-dien-20-one; 6-Methylpregna-4,6-dien-3β,17α-diol-20-one diacetate
Drug classProgestogen; Progestin; Progestogen ester
Identifiers
  • [(3S,8R,9S,10R,13S,14S,17R)-17-acetyl-17-acetyloxy-6,10,13-trimethyl-1,2,3,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-yl] acetate
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC26H36O5
Molar mass428.569 g·mol−1
3D model (JSmol)
  • CC1=CC2C(CCC3(C2CCC3(C(=O)C)OC(=O)C)C)C4(C1=CC(CC4)OC(=O)C)C
  • InChI=1S/C26H36O5/c1-15-13-20-21(24(5)10-7-19(14-23(15)24)30-17(3)28)8-11-25(6)22(20)9-12-26(25,16(2)27)31-18(4)29/h13-14,19-22H,7-12H2,1-6H3/t19-,20+,21-,22-,24+,25-,26-/m0/s1
  • Key:SDHHPVPFUVQWKY-AVHYYFBHSA-N

Acetomepregenol (ACM), also known as mepregenol diacetate and sold under the brand name Diamol, is a progestin medication which is used in Russia for the treatment of gynecological conditions and as a method of birth control in combination with an estrogen. It has also been studied in the treatment of threatened abortion. It has been used in veterinary medicine as well. It has been marketed since at least 1981.