Dimepregnen

Dimepregnen
Clinical data
ATC code	None;
Identifiers
	IUPAC name (3β,6α,16α)-3-Hydroxy-6,16-dimethylpregn-4-en-20-one;
CAS Number	21208-26-4;
PubChem CID	208839;
ChemSpider	180948;
UNII	X08N6BOT8Y;
CompTox Dashboard (EPA)	DTXSID301016881 ;
Chemical and physical data
Formula	C23H36O2
Molar mass	344.539 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC1CC2C3CC(C4=CC(CCC4(C3CCC2(C1C(=O)C)C)C)O)C;
	InChI InChI=InChI=1S/C23H36O2/c1-13-10-17-18(22(4)8-6-16(25)12-19(13)22)7-9-23(5)20(17)11-14(2)21(23)15(3)24/h12-14,16-18,20-21,25H,6-11H2,1-5H3/t13-,14+,16-,17+,18-,20-,21+,22+,23-/m0/s1; Key:ATEJLEVEJWUXMA-XGYZZIOMSA-N;

Dimepregnen (INN, BAN) (developmental code name ST-1411), or 6α,16α-dimethylpregn-4-en-3β-ol-20-one, is a pregnene steroid described as an antiestrogen that was synthesized in 1968 and was never marketed.^[1]^[2] It is similar in structure to the progestins and progesterone derivatives melengestrol and anagestone.

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