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Hormones and steroids

Gestrinone

Also known as Dimetriose, Ethylnorgestrienone, Gestrinona

CAS 16320-04-0Formula C21H24O2Molar mass 308.42 g/molEC 685-143-2
GHS signal word: Danger. Pictograms: Serious health hazard 9 suppliers listed
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Gestrinone chemical structure, C21H24O2, CAS 16320-04-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16320-04-0
Formula
C21H24O2
Molar mass
308.42 g/mol
EC number
685-143-2
HS code
293723
Category
Hormones and steroids

What is Gestrinone?

Plain description, key identifiers and synonyms

Gestrinone is an oxo steroid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
CAS number
16320-04-0 CAS number cross-checked
EC number
685-143-2
Molecular formula
C21H24O2
UNII
1421533RCM
InChIKey
BJJXHLWLUDYTGC-ANULTFPQSA-N
InChI
InChI=1S/C21H24O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,9,11,13,18-19,23H,3,5-8,10,12H2,1H3/t18-,19+,20+,21+/m1/s1
Canonical SMILES
C#CC1(O)CCC2C3CCC4=CC(=O)CCC4=C3C=CC21CC
Isomeric SMILES
CC[C@]12C=CC3=C4CCC(=O)C=C4CC[C@H]3[C@@H]1CC[C@]2(C#C)O

Synonyms

  • Dimetriose
  • Ethylnorgestrienone
  • Gestrinona
  • Gestrinonum
  • RU 2323
  • Ru-2323
  • (8S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-4,9,11-trien-20-yn-3-one
  • 18,19-Dinorpregna-4,9,11-trien-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-
  • Pregna-4,9,11-trien-20-yn-3-one, 13-ethyl-17-hydroxy-18,19-dinor-, (17alpha)-
  • (10S,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo(8.7.0.0^(2,7).0^(11,15))heptadeca-1,6,16-trien-5-one
  • (10S,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-1,6,16-trien-5-one
  • (8S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta(a)phenanthren-3-one
  • Nemestran
  • Dimetrose
  • Tridomose
  • Gestrigone
  • Gestrinone (1mg/ml in Acetonitrile)
  • Gestrinone (Standard)
  • 13-Ethyl-17-alpha-ethinyl-17-hydroxygon-4,9,11-trien-3-one
  • Gestrinone (USAN/INN)
  • 13-beta-Ethyl-17-alpha-ethinyl-17-hydroxy-gona-4,9,11-triene-3-one
  • Gestrinone (1 mg/ml in Acetonitrile)
  • 18,19-Dinor-17-alpha-pregna-4,9,11-trien-20-yn-3-one, 13-ethyl-17-hydroxy-
  • 18,19-Dinorpregna-4,9,11-trien-20-yn-3-one, 13-ethyl-17-hydroxy-, (17-alpha)-
Show all 27 synonyms
  • 13-Ethyl-17a-ethynyl-17b-hydroxygona-4,9,11-trien-3-one
  • (17a)-13-ethyl-17-hydroxy-18,19-Dinorpregna-4,9,11-trien-20-yn-3-one

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
308.42 g/molcalc.
Exact mass
308.1776 Dacalc.
LogP (octanol/water)
3.72calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.57calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (0 violations)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, O=C1C=C2CCC3C(=C2CC1)C=CC1CCCC13

O=C1C=C2CCC3C(=C2CC1)C=CC1CCCC13

4 rings, 18 atoms.

25 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H360May damage fertility or the unborn child.
  • H361Suspected of damaging fertility or the unborn child.
  • H361fdSuspected of damaging fertility. Suspected of damaging the unborn child.
  • H362May cause harm to breast-fed children.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (10)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • 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

Gestrinone suppliers

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

All 9 suppliers
9 of 9 offers

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

9 suppliers in 2 countries

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Gestrinone 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

Use classes: Pharmaceuticals.

Pharmacological actions

  • Contraceptives, Oral, Hormonal
  • Progestins

Functional uses

  • Pharmaceutical

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 Gestrinone 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 Gestrinone is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Gestrinone?

Gestrinone is an oxo steroid.

What is the CAS number of Gestrinone?

The CAS registry number of Gestrinone is 16320-04-0.

What is the molecular formula and weight of Gestrinone?

The molecular formula of Gestrinone is C21H24O2 and its molar mass is 308.42 g/mol.

What is Gestrinone used for?

Use classes: Pharmaceuticals.

Is Gestrinone hazardous?

Gestrinone carries the GHS signal word "Danger". Main hazards: may damage fertility or the unborn child, suspected of damaging fertility or the unborn child, suspected of damaging fertility. suspected of damaging the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Gestrinone?

Gestrinone 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 Gestrinone?

CompoundList lists 9 suppliers of Gestrinone in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Gestrinone?

Suppliers quote Gestrinone 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 Gestrinone

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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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