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Substance Name: Quinestrol [USAN:USP:INN:BAN]
RN: 152-43-2
UNII: JR0N7XD5GZ
InChIKey: PWZUUYSISTUNDW-VAFBSOEGSA-N

Note

  • The 3-cyclopentyl ether of ETHINYL ESTRADIOL. After gastrointestinal absorption, it is stored in ADIPOSE TISSUE, slowly released, and metabolized principally to the parent compound. It has been used in ESTROGEN REPLACEMENT THERAPY. (From AMA Drug Evaluations Annual, 1992, p1011)

Molecular Formula

  • C25-H32-O2

Molecular Weight

  • 364.5258
 

Classification Codes

  • Drug / Therapeutic Agent
  • Estrogen
  • Estrogens
  • Hormone
  • Hormones
  • Hormones, Hormone Substitutes, and Hormone Antagonists
  • Human Data
  • Reproductive Effect
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Names and Synonyms

Name of Substance

  • Quinestrol
  • Quinestrol [USAN:USP:INN:BAN]

MeSH Heading

  • Quinestrol

Synonyms

  • 17-alpha-Ethinylestradiol 3-cyclopentyl ether
  • 3-(Cyclopentyloxy)-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol
  • 3-Cyclopentyloxy-17alpha-ethynylestra-1,3,5(10)-trien-17beta-ol
  • EECPE
  • EINECS 205-803-1
  • Eston
  • Estradiol-17-beta 3-cyclopentyl ether
  • Estrovis
  • Estrovis 4000
  • Estrovister
  • Plestrovis
  • Qui-Lea
  • Quinestrol
  • Quinestrolo
  • Quinestrolo [DCIT]
  • Quinestrolum
  • Quinestrolum [INN-Latin]
  • UNII-JR0N7XD5GZ
  • W 3566

Systematic Names

  • 19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-(cyclopentyloxy)-
  • 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-(cyclopentyloxy)-, (17alpha)-
  • Quinestrol

Registry Numbers

CAS Registry Number

  • 152-43-2

FDA UNII

  • JR0N7XD5GZ

System Generated Number

  • 0000152432

Structure Descriptors

InChI

1S/C25H32O2/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/h1,9,11,16,18,21-23,26H,4-8,10,12-15H2,2H3/t21-,22-,23+,24+,25+/m1/s1

InChIKey

PWZUUYSISTUNDW-VAFBSOEGSA-N

Smiles

C[C@]12CC[C@@H]3c4ccc(cc4CC[C@H]3[C@@H]1CC[C@]2(C#C)O)OC5CCCC5

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 107.5 deg C   EXP
log P (octanol-water) 6.460 (none)   EST
Atmospheric OH Rate Constant 1.05E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.