Quingestanol

Quingestanol (INNTooltip International Nonproprietary Name, BANTooltip British Approved Name), also known as norethisterone 3-cyclopentyl enol ether, is a progestin of the 19-nortestosterone group which was never marketed.^[1] It is a prodrug of norethisterone.^[2][3] An acylated derivative, quingestanol acetate, is used as a pharmaceutical drug.^[1]

Other namesNorethisterone 3-cyclopentyl enol ether; 3-(Cyclopentyloxy)-17α-ethynylestra-3,5-dien-17β-ol

Drug classProgestin; Progestogen

ATC code

• G03AC04 (WHO)
  G03AA02 (WHO) (with an estrogen)

CAS Number

• 10592-65-1

Quick facts Clinical data, Other names ...

Quingestanol

Clinical data
Other names	Norethisterone 3-cyclopentyl enol ether; 3-(Cyclopentyloxy)-17α-ethynylestra-3,5-dien-17β-ol
Drug class	Progestin; Progestogen
ATC code	G03AC04 (WHO) G03AA02 (WHO) (with an estrogen)
Identifiers
IUPAC name (8R,9S,10R,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
CAS Number	10592-65-1
PubChem CID	9842127
ChemSpider	8017842
UNII	1A635076CE
CompTox Dashboard (EPA)	DTXSID80147422
ECHA InfoCard	100.031.078
Chemical and physical data
Formula	C25H34O2
Molar mass	366.545 g·mol−1
3D model (JSmol)	Interactive image
SMILES O(\C4=C\C3=C\C[C@@H]2[C@H](CC[C@]1(C)[C@@](C#C)(O)CC[C@H]12)[C@H]3CC4)C5CCCC5
InChI InChI=1S/C25H34O2/c1-3-25(26)15-13-23-22-10-8-17-16-19(27-18-6-4-5-7-18)9-11-20(17)21(22)12-14-24(23,25)2/h1,8,16,18,20-23,26H,4-7,9-15H2,2H3/t20-,21+,22+,23-,24-,25-/m0/s1 Key:PCJFRMOEZQQSAX-AIOSZGMZSA-N

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