Chemical Component Summary

Name(9beta,13alpha)-3-hydroxyestra-1,3,5(10)-trien-17-one
Identifiers(8R,9S,13S,14S)-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
FormulaC18 H22 O2
Molecular Weight270.37
TypeNON-POLYMER
Isomeric SMILESC[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1CCC2=O
InChIInChI=1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-16,19H,2,4,6-9H2,1H3/t14-,15-,16+,18+/m1/s1
InChIKeyDNXHEGUUPJUMQT-CBZIJGRNSA-N

Chemical Details

Formal Charge0
Atom Count42
Chiral Atom Count4
Bond Count45
Aromatic Bond Count6

Drug Info: DrugBank

DrugBank IDDB00655 
NameEstrone
Groupsapproved
DescriptionEstrone, one of the major mammalian estrogens, is an aromatized C18 steroid with a 3-hydroxyl group and a 17-ketone. It is produced in vivo from androstenedione or from testosterone via estradiol. It is produced primarily in the ovaries, placenta, and in peripheral tissues (especially adipose tissue) through conversion of adrostenedione. Estrone may be further metabolized to 16-alpha-hydroxyestrone, which may be reduced to estriol by estradiol dehydrogenase.
Synonyms
  • Estronum
  • 3-Hydroxy-1,3,5(10)-estratrien-17-one
  • Estrone
  • Folliculin
  • Estrona
Brand Names
  • Oestrilin Creme Vaginale 1mg
  • Oestrilin Cones Vaginaux
  • Estragyn Vaginal Cream
IndicationFor management of perimenopausal and postmenopausal symptoms.
Categories
  • 17-Ketosteroids
  • Adrenal Cortex Hormones
  • BCRP/ABCG2 Inhibitors
  • Cytochrome P-450 CYP1A2 Substrates
  • Cytochrome P-450 CYP2B6 Substrates
ATC-Code
  • G03CC04
  • G03CA07
CAS number53-16-7

Drug Targets

NameTarget SequencePharmacological ActionActions
Estrogen receptor alphaMTMTLHTKASGMALLHQIQGNELEPLNRPQLKIPLERPLGEVYLDSSKPA...unknownagonist
Estrogen receptor betaMDIKNSPSSLNSPSSYNCSQSILPLEHGSIYIPSSYVDSHHEYPAMTFYS...unknown
Androgen receptorMEVQLGLGRVYPRPPSKTYRGAFQNLFQSVREVIQNPGPRHPEAASAAPP...unknown
Cytochrome P450 19A1MVLEMLNPIHYNITSIVPEAMPAATMPVLLLTGLFLLVWNYEGTSSIPGP...unknown
Sex hormone-binding globulinMESRGPLATSRLLLLLLLLLLRHTRQGWALRPVLPTQSAHDPPAVHLSNG...unknown
View More
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682