Norgestrienone

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Norgestrienone
Norgestrienone.svg
Systematic (IUPAC) name
17-Hydroxy-19-norpregna-4,9,11-trien-20-yn-3-one
Identifiers
CAS Number 848-21-5 N
ATC code G03AC07 (WHO)
PubChem CID: 13313
ChemSpider 12749 YesY
UNII 89386PYU9O YesY
KEGG D07220 YesY
Chemical data
Formula C20H22O2
Molecular mass 294.387 g/mol
  • O=C4\C=C3/C(=C2/C=C\[C@]1([C@@H](CC[C@]1(C#C)O)[C@@H]2CC3)C)CC4
  • InChI=1S/C20H22O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,8,10,12,17-18,22H,4-7,9,11H2,2H3/t17-,18+,19+,20+/m1/s1 YesY
  • Key:GVDMJXQHPUYPHP-FYQPLNBISA-N YesY
 NYesY (what is this?)  (verify)

Norgestrienone (INN) (brand name Ogyline, Planor), also known as 10,11-didehydro-orethisterone,[1] as well as 17α-ethynyltrienolone (17α-ethynyltrenbolone), is a steroidal progestin that is used as a hormonal contraceptive, sometimes in combination with ethinyl estradiol.[2][3][4] It is a relatively weak progestin, and has some androgenic effects.[5]

Gestrinone is the ethyl derivative of norgestrienone.[6]

References

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