Hydromadinone

Hydromadinone
Clinical data
ATC code	None;
Identifiers
	IUPAC name 6α-Chloro-17α-hydroxypregn-4-ene-3,20-dione;
CAS Number	16469-74-2;
PubChem CID	216252;
ChemSpider	187450;
UNII	3E4M0PPR7J;
ChEMBL	ChEMBL2104256;
CompTox Dashboard (EPA)	DTXSID101032104 ;
Chemical and physical data
Formula	C21H29ClO3
Molar mass	364.91 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2C[C@@H](C4=CC(=O)CC[C@]34C)Cl)C)O;
	InChI InChI=1S/C21H29ClO3/c1-12(23)21(25)9-6-16-14-11-18(22)17-10-13(24)4-7-19(17,2)15(14)5-8-20(16,21)3/h10,14-16,18,25H,4-9,11H2,1-3H3/t14-,15+,16+,18+,19-,20+,21+/m1/s1; Key:IMUIZZGKYILUHZ-SCUQKFFVSA-N;

Hydromadinone (INN), also known as 6α-chloro-17α-hydroxyprogesterone, is a steroidal progestin of the 17α-hydroxyprogesterone group which was patented in 1967 but was never marketed.^[1] The C17α acetate ester of hydromadinone, hydromadinone acetate, also exists, but similarly was never marketed.^[1]