(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,
9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol (Molecular Formula: C₂₂H₃₀O)

Product Name:	(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8, 9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol
CAS Registry Number:	54024-22-5
EINECS:	258-929-4
Synonyms:	ORG 2969; Org-2969; Cyclessa; Kariva;Cerazette; Desogestrelum [INN-Latin]; desogen; Mircette; Desogestrelum;(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8, 9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol;
Molecular Structure:
Molecular Formula:	C₂₂H₃₀O
Molecular Weight:	310.473
Density:	1.07 g/cm³
Boiling Point:	428.3 ºC at 760 mmHg
Melting Point:	109-110 ºC
Flash Point:	187.9 ºC
Refractive index:	1.566
Safety Statements:	Human reproductive effects by ingestion: changes in menstrual cycle and female fertility. Experimental reproductive effects. A steroid. When heated to decomposition it emits acrid smoke and fumes.

(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol (Molecular Formula: C22H30O)