Levonorgestral

IUPAC Name: (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one; (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-
octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
Synonyms of Nordiol-28 (CAS NO.8056-51-7) : (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one - (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14 ;(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one - (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (1:1) ; (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one - (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (1:1) (non-preferred name) ; ,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (1:1)
InChI:InChI=1/C21H28O2.C20H24O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2;1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h2,13,16-19,23H,3,5-12H2,1H3;1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17+,18+,19-,20-,21-;16-,17-,18+,19+,20+/m01/s1
CAS NO:8056-51-7
Molecular Formula:C₄₁H₅₂O₄                          
Molecular Weight :608.8492                                             
Molecular Structure :
Flash Point: 195.4 °C
Enthalpy of Vaporization: 82.99 kJ/mol
Boiling Point: 459.1 °C at 760 mmHg
Vapour Pressure: 2.32E-10 mmHg at 25°C

Human reproductive effects by ingestion: menstrual cycle changes or disorders, postpartum changes, mating performance, female fertility index and other fertility changes. Experimental reproductive effects. Questionable human carcinogen producing liver tumors. A steroid used as a pharmaceutical and veterinary drug. When Nordiol-28 (CAS NO.8056-51-7) is heated to decomposition ,it emits acrid smoke and irritating fumes.