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Aromatic building blocks

Indenestrol

Also known as Indenestrol A, Indenoestrol A, Inden-6-ol, 3-ethyl-2-(p-hydroxyphenyl)-1-methyl-

CAS 24643-97-8Formula C18H18O2Molar mass 266.34 g/mol
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Indenestrol chemical structure, C18H18O2, CAS 24643-97-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
24643-97-8
Formula
C18H18O2
Molar mass
266.34 g/mol
HS code
290729
Category
Aromatic building blocks

What is Indenestrol?

Plain description, key identifiers and synonyms

Indenestrol is a chemical substance with the molecular formula C18H18O2 and a molar mass of 266.34 g/mol. Its CAS registry number is 24643-97-8. The IUPAC name is 1-ethyl-2-(4-hydroxyphenyl)-3-methyl-3H-inden-5-ol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethyl-2-(4-hydroxyphenyl)-3-methyl-3H-inden-5-ol
CAS number
24643-97-8Other or deprecated CAS: 115217-02-2, 2714411-12-6
Molecular formula
C18H18O2
UNII
4A464K3BSI
InChIKey
BBOUFHMHCBZYJJ-UHFFFAOYSA-N
InChI
InChI=1S/C18H18O2/c1-3-15-16-9-8-14(20)10-17(16)11(2)18(15)12-4-6-13(19)7-5-12/h4-11,19-20H,3H2,1-2H3
SMILES (canonical and isomeric)
CCC1=C(C(C2=C1C=CC(=C2)O)C)C3=CC=C(C=C3)O

Synonyms

  • Indenestrol A
  • Indenoestrol A
  • Inden-6-ol, 3-ethyl-2-(p-hydroxyphenyl)-1-methyl-
  • 3-Ethyl-2-(4-hydroxyphenyl)-1-methyl-1H-inden-6-ol
  • (+/-)-Indenestrol a
  • Indenestrol-d3
  • 1H-Inden-6-ol, 3-ethyl-2-(4-hydroxyphenyl)-1-methyl-
  • (+/-)-3-Ethyl-2-(4-hydroxyphenyl)-1-methyl-1H-inden-6-ol
  • S-indenestrol A
  • (+-)-Indenestrol A
  • 1-ethyl-2-(4-hydroxyphenyl)-3-methyl-3H-inden-5-ol
  • 3-Ethyl-2-(p-hydroxyphenyl)-1-methylinden-6-ol
  • Indenestrol-a
  • (rs)-Indenestrol a
  • Indenestrol-a, (+/-)-

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
266.34 g/molcalc.
Exact mass
266.1307 Dacalc.
LogP (octanol/water)
4.54calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
1calc.
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, C1=C(c2ccccc2)Cc2ccccc21

C1=C(c2ccccc2)Cc2ccccc21

3 rings, 15 atoms, the 2-Phenylindene ring system.

58 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Indenestrol suppliers

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  • ChemPh
    Unclaimed profile
    IndenestrolGrade, purity and minimum order on request
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Where suppliers are based

1 supplier in 0 countries

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Indenestrol price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 Indenestrol is traded under.

HS 2907.29Indicative HS code

Polyphenols, phenol-alcohols, other

World exports in 2024
$535M
−27.0% vs 2023, imports $565M
2019 to 2024
Top exporters
  1. India * partner reported17.7%
  2. Germany16.5%
  3. Japan15.8%
Top importers
  1. United States13.1%
  2. Japan8.0%
  3. Belgium7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Indenestrol?

Indenestrol is a chemical substance with the molecular formula C18H18O2 and a molar mass of 266.34 g/mol. Its CAS registry number is 24643-97-8. The IUPAC name is 1-ethyl-2-(4-hydroxyphenyl)-3-methyl-3H-inden-5-ol.

What is the CAS number of Indenestrol?

The CAS registry number of Indenestrol is 24643-97-8. Other or deprecated CAS numbers: 115217-02-2, 2714411-12-6.

What is the molecular formula and weight of Indenestrol?

The molecular formula of Indenestrol is C18H18O2 and its molar mass is 266.34 g/mol.

What is Indenestrol used for?

Known uses and roles of Indenestrol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Indenestrol hazardous?

No GHS hazard classification for Indenestrol is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Indenestrol?

Indenestrol is usually classified under HS code 290729 (Polyphenols, phenol-alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Indenestrol?

CompoundList lists 1 supplier of Indenestrol. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Indenestrol?

Suppliers quote Indenestrol 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

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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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