Tigestol

Tigestol
Identifiers
	IUPAC name (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol;
CAS Number	896-71-9;
PubChem CID	13471;
ChemSpider	12892;
UNII	1WAE0P123G;
KEGG	D06145;
ChEMBL	ChEMBL2105440;
CompTox Dashboard (EPA)	DTXSID501024751 ;
Chemical and physical data
Formula	C20H28O
Molar mass	284.443 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC12CCC3C(C1CCC2(C#C)O)CCC4=C3CCCC4;
	InChI InChI=1S/C20H28O/c1-3-20(21)13-11-18-17-9-8-14-6-4-5-7-15(14)16(17)10-12-19(18,20)2/h1,16-18,21H,4-13H2,2H3/t16-,17-,18+,19+,20+/m1/s1; Key:DHOKBGHAEUVRMO-SLHNCBLASA-N;

Tigestol (INN, USAN), also known as 17α-ethynylestr-5(10)-en-17β-ol,^[1] is a steroidal progestin of the 19-nortestosterone group that was developed by Organon in the 1960s but was never marketed.^[2]^[3]^[4]^[5] It is an isomer of the related 19-nortestosterone derivative progestins lynestrenol and cingestol.^[6]

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Identifiers

IUPAC name (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol
CAS Number	896-71-9
PubChem CID	13471
ChemSpider	12892
UNII	1WAE0P123G
KEGG	D06145
ChEMBL	ChEMBL2105440
CompTox Dashboard (EPA)	DTXSID501024751
Chemical and physical data
Formula	C₂₀H₂₈O
Molar mass	284.443 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CC12CCC3C(C1CCC2(C#C)O)CCC4=C3CCCC4
InChI InChI=1S/C20H28O/c1-3-20(21)13-11-18-17-9-8-14-6-4-5-7-15(14)16(17)10-12-19(18,20)2/h1,16-18,21H,4-13H2,2H3/t16-,17-,18+,19+,20+/m1/s1 Key:DHOKBGHAEUVRMO-SLHNCBLASA-N