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Substance Name: Etonogestrel [USAN:INN:BAN]
RN: 54048-10-1
UNII: 304GTH6RNH
InChIKey: GCKFUYQCUCGESZ-BPIQYHPVSA-N

Note

  • Metabolite of DESOGESTREL; Implanon: implant containing etonogestrel (3-keto-desogestrel).

Molecular Formula

  • C22-H28-O2

Molecular Weight

  • 324.4612
 

Classification Codes

  • Contraceptive Agents
  • Contraceptive Agents, Female
  • Contraceptive Agents, Hormonal
  • Hormone
  • Human Data
  • Progestin
  • Reproductive Control Agents
  • Reproductive Effect

Names and Synonyms

Name of Substance

  • Etonogestrel
  • Etonogestrel [USAN:INN:BAN]

Synonyms

  • (17-alpha)-13-Ethyl-17-hydroxy-11-methylene-18,19-dinorpregn-4-en-20-yn-3-one
  • 13-Ethyl-11-methylene-18,19-dinor-17-alpha-pregn-4-en-20-yn-3-one
  • 13-Ethyl-17-hydroxy-11-methylene-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one
  • 17-Ethinyl-17-beta-hydroxy-18-methyl-11-methylene-4-estren-3-one
  • 3-Keto-desogestrel
  • 3-Ketodesogestrel
  • 3-Oxodesogestrel
  • EINECS 258-936-2
  • Etonogestrel
  • Implanon
  • Nexplanon
  • ORG 3236
  • UNII-304GTH6RNH

Systematic Names

  • (17alpha)-13-Ethyl-17-hydroxy-11-methylene-18,19-dinorpregn-4-en-20-yn-3-one
  • 18,19-Dinor-17alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-11-methylene-
  • 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-11-methylene-, (17-alpha)-

Registry Numbers

CAS Registry Number

  • 54048-10-1

FDA UNII

  • 304GTH6RNH

Other Registry Number

  • 165050-21-5

System Generated Number

  • 0054048101

Structure Descriptors

InChI

InChI=1S/C22H28O2/c1-4-21-13-14(3)20-17-9-7-16(23)12-15(17)6-8-18(20)19(21)10-11-22(21,24)5-2/h2,12,17-20,24H,3-4,6-11,13H2,1H3/t17-,18-,19-,20+,21-,22-/m0/s1

InChIKey

GCKFUYQCUCGESZ-BPIQYHPVSA-N

Smiles

CC[C@]12CC(=C)[C@H]3[C@@H](CCC4=CC(=O)CC[C@H]34)[C@@H]1CC[C@@]2(O)C#C