Estradiol diundecylenate

Estradiol diundecylenate
Clinical data
Trade names	Etrosteron
Other names	Estrosteron; Estradiol diundecenoate
Routes of; administration	Intramuscular injection
Drug class	Estrogen; Estrogen ester
Identifiers
	IUPAC name [(8R,9S,13S,14S,17S)-13-Ethyl-3-undec-10-enoyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] undec-10-enoate;
CAS Number	74798-17-7 ;
PubChem CID	126479;
ChemSpider	112392;
UNII	68XRU2GP58;
CompTox Dashboard (EPA)	DTXSID70996325 ;
Chemical and physical data
Formula	C40H60O4
Molar mass	604.916 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2OC(=O)CCCCCCCCC=C)CCC4=C3C=CC(=C4)OC(=O)CCCCCCCCC=C;
	InChI InChI=1S/C40H60O4/c1-4-6-8-10-12-14-16-18-20-38(41)43-32-23-25-33-31(30-32)22-24-35-34(33)28-29-40(3)36(35)26-27-37(40)44-39(42)21-19-17-15-13-11-9-7-5-2/h4-5,23,25,30,34-37H,1-2,6-22,24,26-29H2,3H3/t34-,35-,36+,37+,40+/m1/s1; Key:LVJFPCSLAMHGAU-OBRFQGJBSA-N;

Estradiol diundecylenate (brand name Etrosteron), or estradiol diundecenoate, also known as 17β-estradiol 3,17β-diundec-10-enoate, is a semisynthetic steroidal estrogen and an estrogen ester – specifically, the 3,17β-diundecylenate ester of estradiol – which was previously marketed in Argentina.