E4

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	304.4 g/mol [1]
Melting point	233-236 [1]
Boiling point	491.9±45.0 [1]
Predicted LogP	1.5 [1]

Structural Identifiers []
Molecular formula	C18H24O4 [1]
IUPAC name	(8R,9S,13S,14S,15R,16R,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,15,16,17-tetrol [1]
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1[C@H]([C@H]([C@@H]2O)O)O)CCC4=C3C=CC(=C4)O [1]
InChI	InChI=1S/C18H24O4/c1-18-7-6-12-11-5-3-10(19)8-9(11)2-4-13(12)14(18)15(20)16(21)17(18)22/h3,5,8,12-17,19-22H,2,4,6-7H2,1H3/t12-,13-,14-,15-,16-,17+,18+/m1/s1 [1]
InChIKey	AJIPIJNNOJSSQC-NYLIRDPKSA-N [1]

Estetrol

Estetrol (also known as Estetrol anhydrous, estetrolum, oestetrol, Donesta, 15.α.-hydroxyestriol, 15α-hydroxyestriol, 15 α-hydroxyestriol, estra-1(10),2,4-triene-3,15α,16α,17β-tetrol, estra-1,3,5(10)-triene-3,15α,16α,17β-tetrol or 3,15α,16α,17β-tetrahydroxyestra-1,3,5(10)-triene) is a substance of the steroid class.

Chemistry