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Steroids and sterols

Quinestrol

Also known as Estrovis, Estrovister, Plestrovis

CAS 152-43-2Formula C25H32O2Molar mass 364.53 g/molEC 205-803-1
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard 7 suppliers listed
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Quinestrol chemical structure, C25H32O2, CAS 152-43-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
152-43-2
Formula
C25H32O2
Molar mass
364.53 g/mol
EC number
205-803-1
HS code
293723
Category
Steroids and sterols

What is Quinestrol?

Plain description, key identifiers and synonyms

Quinestrol is a 17-hydroxy steroid and a terminal acetylenic compound. It has a role as a xenoestrogen. It is functionally related to a 17beta-estradiol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8R,9S,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol
CAS number
152-43-2 CAS number cross-checked
EC number
205-803-1
Molecular formula
C25H32O2
UNII
JR0N7XD5GZ
MDL number
MFCD00079189
InChIKey
PWZUUYSISTUNDW-VAFBSOEGSA-N
InChI
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
Canonical SMILES
C#CC1(O)CCC2C3CCc4cc(OC5CCCC5)ccc4C3CCC21C
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)OC5CCCC5

Synonyms

  • Estrovis
  • Estrovister
  • Plestrovis
  • Eston
  • Estradiol-17-beta 3-cyclopentyl ether
  • Quinestrolum
  • Estrovis 4000
  • Quinestrolo
  • 17-alpha-Ethinylestradiol 3-cyclopentyl ether
  • Quilea
  • 17alpha-Ethynylestradiol 3-cyclopentyl ether
  • (8R,9S,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol
  • 3-o-cyclopentyl-17alpha-ethinyl-estra-1,3,5(10)-triene-3,17beta-diol
  • 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-(cyclopentyloxy)-, (17alpha)-
  • Ethinyl Estradiol 3-Cyclopentyl Ether
  • (8R,9S,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta(a)phenanthren-17-ol
  • Ethinyl Estradiol 3 Cyclopentyl Ether
  • (1S,10R,11S,14R,15S)-5-(cyclopentyloxy)-14-ethynyl-15-methyltetracyclo(8.7.0.02,7.011,15)heptadeca-2(7),3,5-trien-14-ol
  • Qui-Lea
  • EECPE
  • 3-(Cyclopentyloxy)-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol
  • 17Alpha-ethylnyl-1,3,5[10]estratriene-3,17beta-diol 3-cyclopentyl ether
  • Estrovis (TN)
  • Quinestrol (USAN/INN)
  • 3-Cyclopentyloxy-17alpha-ethynylestra-1,3,5(10)-trien-17beta-ol
Show all 26 synonyms
  • 3-(cyclopentyloxy)-17beta-ethynylestra-1,3,5(10)-trien-17-ol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
364.53 g/molcalc.
Exact mass
364.2402 Dacalc.
LogP (octanol/water)
5.23calc.
Topological polar surface area
29.46 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
5calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.68calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1cc2c(cc1OC1CCCC1)CCC1C2CCC2CCCC21

c1cc2c(cc1OC1CCCC1)CCC1C2CCC2CCCC21

5 rings, 23 atoms.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H350May cause cancer.
  • H351Suspected of causing cancer.
  • H360May damage fertility or the unborn child.
  • H362May cause harm to breast-fed children.
Precautionary statements (18)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P263Avoid contact during pregnancy and while nursing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Quinestrol suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 7 suppliers
7 of 7 offers
  • Beijing Zizhu Pharmaceutical Co., Ltd
    China, BeijingUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View
  • AChemBlock
    United States, HaywardUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View
  • Amerigo Scientific
    United States, HauppaugeUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View
  • BioCrick
    China, ChengduUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
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  • ChemShuttle
    United States, BurlingameUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View
  • LKT Laboratories, Inc.
    United States, St. PaulUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View
  • Pi Chemicals
    China, ShanghaiUnclaimed profile
    QuinestrolGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 2 countries

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Quinestrol price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Estrogens

Roles

  • agonist
  • endocrine disruptor
  • estrogen
  • hormone
  • hormone receptor modulator
  • molecular messenger
  • pharmaceutical
  • receptor modulator
  • sex hormone
  • xenoestrogen

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Quinestrol is traded under.

HS 2937.23Indicative HS code

Oestrogens and progestogens

World exports in 2024
$762M
−2.3% vs 2023, imports $693M
2019 to 2024
Top exporters
  1. China42.9%
  2. Italy18.4%
  3. Netherlands8.9%
Top importers
  1. India * partner reported12.1%
  2. United States11.0%
  3. Belgium8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Quinestrol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Quinestrol, based on the data on this page

What is Quinestrol?

Quinestrol is a 17-hydroxy steroid and a terminal acetylenic compound. It has a role as a xenoestrogen. It is functionally related to a 17beta-estradiol.

What is the CAS number of Quinestrol?

The CAS registry number of Quinestrol is 152-43-2.

What is the molecular formula and weight of Quinestrol?

The molecular formula of Quinestrol is C25H32O2 and its molar mass is 364.53 g/mol.

What is Quinestrol used for?

Known uses and roles of Quinestrol include agonist, endocrine disruptor, estrogen, hormone, hormone receptor modulator and 6 more.

Is Quinestrol hazardous?

Quinestrol carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Quinestrol?

Quinestrol is usually classified under HS code 293723 (Oestrogens and progestogens). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quinestrol?

CompoundList lists 7 suppliers of Quinestrol in United States and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Quinestrol?

Suppliers quote Quinestrol on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Quinestrol

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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