RU-16117

RU-16117
Clinical data
Other names	11α-Methoxyethinylestradiol; 11α-Methoxy-17α-ethynylestradiol; 11α-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol
Routes of; administration	By mouth
Drug class	Estrogen; Estrogen ether
Identifiers
	IUPAC name (8S,9S,11R,13S,14S,17R)-17-Ethynyl-11-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol;
CAS Number	61665-15-4;
PubChem CID	66408;
ChemSpider	59782;
UNII	MC34LNC8JG;
CompTox Dashboard (EPA)	DTXSID60977244 ;
Chemical and physical data
Formula	C21H26O3
Molar mass	326.436 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES C[C@]12C[C@H]([C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)O)OC;
	InChI InChI=1S/C21H26O3/c1-4-21(23)10-9-17-16-7-5-13-11-14(22)6-8-15(13)19(16)18(24-3)12-20(17,21)2/h1,6,8,11,16-19,22-23H,5,7,9-10,12H2,2-3H3/t16-,17-,18+,19+,20-,21-/m0/s1; Key:MTMZZIPTQITGCY-QHOCJJNXSA-N;

RU-16117 is an estrogen medication which was investigated for the potential treatment of symptoms of estrogen deficiency such as hot flashes and osteoporosis in women but was never marketed. It was developed for use by mouth.