Chemical Component Summary

NameEQUILIN
Identifiers(9S,13S,14S)-3-hydroxy-13-methyl-9,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-one
FormulaC18 H20 O2
Molecular Weight268.35
TypeNON-POLYMER
Isomeric SMILESC[C@]12CC[C@@H]3c4ccc(cc4CC=C3[C@@H]1CCC2=O)O
InChIInChI=1S/C18H20O2/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,2,6-9H2,1H3/t14-,16+,18+/m1/s1
InChIKeyWKRLQDKEXYKHJB-HFTRVMKXSA-N

Chemical Details

Formal Charge0
Atom Count40
Chiral Atom Count3
Bond Count43
Aromatic Bond Count6

Drug Info: DrugBank

DrugBank IDDB02187 
NameEquilin
Groupsexperimental
DescriptionAn estrogenic steroid produced by horses. It has a total of four double bonds in the A- and B-ring. High concentration of equilin is found in the urine of pregnant mares.
Synonyms
  • Equilin
  • 7-Dehydroestrone
  • 1,3,5,7-Estratetraen-3-ol-17-one
  • Dihydroequilenin
IndicationFor the treatment of moderate to severe vasomotor symptoms associated with the menopause, atrophic vaginitis, osteoporosis, hypoestrogenism due to hypogonadism, castration, primary ovarian failure, breast cancer (for palliation only), and Advanced androgen-dependent carcinoma of the prostate (for palliation only)
Categories
  • 17-Ketosteroids
  • Adrenal Cortex Hormones
  • Cytochrome P-450 CYP3A Substrates
  • Cytochrome P-450 CYP3A4 Substrates
  • Cytochrome P-450 Substrates
CAS number474-86-2

Drug Targets

NameTarget SequencePharmacological ActionActions
Estradiol 17-beta-dehydrogenase 1MARTVVLITGCSSGIGLHLAVRLASDPSQSFKVYATLRDLKTQGRLWEAA...unknown
Estrogen receptor alphaMTMTLHTKASGMALLHQIQGNELEPLNRPQLKIPLERPLGEVYLDSSKPA...unknown
Cytochrome P450 3A4MALIPDLAMETWLLLAVSLVLLYLYGTHSHGLFKKLGIPGPTPLPFLGNI...unknownsubstrate
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

Related Resource References

Resource NameReference
CCDC/CSDGODTIC
PubChem223368
ChEBICHEBI:42309
ChEMBLCHEMBL323533
PharosCHEMBL323533