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Steroids and sterols

Trimegestone

Also known as RU 27987, Trimegestona, Estra-4,9-dien-3-one, 17-(2-hydroxy-1-oxopropyl)-17-methyl-, (17beta(S))-

CAS 74513-62-5Formula C22H30O3Molar mass 342.48 g/molEC 662-727-5
GHS signal word: Warning. Pictograms: Harmful or irritant
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Trimegestone chemical structure, C22H30O3, CAS 74513-62-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
74513-62-5
Formula
C22H30O3
Molar mass
342.48 g/mol
EC number
662-727-5
HS code
291440
Category
Steroids and sterols

What is Trimegestone?

Plain description, key identifiers and synonyms

Trimegestone is a 20-oxo steroid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,13S,14S,17S)-17-[(2S)-2-hydroxypropanoyl]-13,17-dimethyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
CAS number
74513-62-5
EC number
662-727-5
Molecular formula
C22H30O3
UNII
4658K0H08W
InChIKey
JUNDJWOLDSCTFK-MTZCLOFQSA-N
InChI
InChI=1S/C22H30O3/c1-13(23)20(25)22(3)11-9-19-18-6-4-14-12-15(24)5-7-16(14)17(18)8-10-21(19,22)2/h12-13,18-19,23H,4-11H2,1-3H3/t13-,18+,19-,21-,22+/m0/s1
Canonical SMILES
CC(O)C(=O)C1(C)CCC2C3CCC4=CC(=O)CCC4=C3CCC21C
Isomeric SMILES
C[C@@H](C(=O)[C@]1(CC[C@@H]2[C@@]1(CCC3=C4CCC(=O)C=C4CC[C@@H]23)C)C)O

Synonyms

  • RU 27987
  • Trimegestona
  • Estra-4,9-dien-3-one, 17-(2-hydroxy-1-oxopropyl)-17-methyl-, (17beta(S))-
  • 21-hydroxypromegestone
  • trimegestonum
  • RU 27988
  • 17-(2-hydroxy-1-oxopropyl)-17-methylestra-4,9-dien-3-one
  • (10S,11S,14S,15S)-14-((2S)-2-hydroxypropanoyl)-14,15-dimethyltetracyclo(8.7.0.0^(2,7).0^(11,15))heptadeca-1,6-dien-5-one
  • 17beta-(S)-Lactoyl-17-methylestra-4,9-dien-3-one
  • (17beta)-17-[(2S)-2-Hydroxy-1-oxopropyl]-17-methylestra-4,9-dien-3-one
  • Totelle Sekvens, Ondeva
  • Ondeva
  • (8S,13S,14S,17S)-17-[(2S)-2-hydroxypropanoyl]-13,17-dimethyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
  • Trimegestone (USAN/INN)
  • (1S,3aS,3bS,11aS)-1-[(2S)-2-Hydroxypropanoyl]-1,11a-dimethyl-1,2,3,3a,3b,4,5,8,9,10,11,11a-dodecahydro-7H-cyclopenta[a]phenanthren-7-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
342.48 g/molcalc.
Exact mass
342.2195 Dacalc.
LogP (octanol/water)
4.15calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
5calc.
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)CCC1CCCC13

O=C1C=C2CCC3C(=C2CC1)CCC1CCCC13

4 rings, 18 atoms.

30 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

Trimegestone suppliers

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Trimegestone price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Trimegestone is traded under.

HS 2914.40Indicative HS code

Ketone-alcohols and ketone-aldehydes

World exports in 2024
$199M
+2.5% vs 2023, imports $247M
2019 to 2024
Top exporters
  1. China29.5%
  2. Germany14.4%
  3. Netherlands12.7%
Top importers
  1. United States37.2%
  2. Netherlands8.5%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Trimegestone?

Trimegestone is a 20-oxo steroid.

What is the CAS number of Trimegestone?

The CAS registry number of Trimegestone is 74513-62-5.

What is the molecular formula and weight of Trimegestone?

The molecular formula of Trimegestone is C22H30O3 and its molar mass is 342.48 g/mol.

Is Trimegestone hazardous?

Trimegestone carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Trimegestone?

Trimegestone is usually classified under HS code 291440 (Ketone-alcohols and ketone-aldehydes). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Trimegestone?

Post a free request on CompoundList and suppliers of Trimegestone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Trimegestone?

Suppliers quote Trimegestone 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 Trimegestone

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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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