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Heterocyclic building blocks

4-Ethoxyindoline

Also known as 4-Ethoxy-2,3-dihydro-1H-indole, 4-(ethoxy)indoline

CAS 220657-56-7Formula C10H13NOMolar mass 163.22 g/mol
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4-Ethoxyindoline chemical structure, C10H13NO, CAS 220657-56-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
220657-56-7
Formula
C10H13NO
Molar mass
163.22 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is 4-Ethoxyindoline?

Plain description, key identifiers and synonyms

4-Ethoxyindoline is a chemical substance with the molecular formula C10H13NO and a molar mass of 163.22 g/mol. Its CAS registry number is 220657-56-7. The IUPAC name is 4-ethoxy-2,3-dihydro-1H-indole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-ethoxy-2,3-dihydro-1H-indole
CAS number
220657-56-7 CAS number cross-checked
Molecular formula
C10H13NO
MDL number
MFCD13177709
InChIKey
NXVDHVHEJQOARI-UHFFFAOYSA-N
InChI
InChI=1S/C10H13NO/c1-2-12-10-5-3-4-9-8(10)6-7-11-9/h3-5,11H,2,6-7H2,1H3
SMILES (canonical and isomeric)
CCOC1=CC=CC2=C1CCN2

Synonyms

  • 4-Ethoxy-2,3-dihydro-1H-indole
  • 4-(ethoxy)indoline

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
163.22 g/molcalc.
Exact mass
163.0997 Dacalc.
LogP (octanol/water)
2.05calc.
Topological polar surface area
21.26 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.4calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccc2c(c1)CCN2

c1ccc2c(c1)CCN2

2 rings, 9 atoms, the Indoline ring system.

4,463 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.

4-Ethoxyindoline suppliers

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4-Ethoxyindoline 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 4-Ethoxyindoline is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Ethoxyindoline is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Ethoxyindoline, based on the data on this page

What is 4-Ethoxyindoline?

4-Ethoxyindoline is a chemical substance with the molecular formula C10H13NO and a molar mass of 163.22 g/mol. Its CAS registry number is 220657-56-7. The IUPAC name is 4-ethoxy-2,3-dihydro-1H-indole.

What is the CAS number of 4-Ethoxyindoline?

The CAS registry number of 4-Ethoxyindoline is 220657-56-7.

What is the molecular formula and weight of 4-Ethoxyindoline?

The molecular formula of 4-Ethoxyindoline is C10H13NO and its molar mass is 163.22 g/mol.

What is 4-Ethoxyindoline used for?

Known uses and roles of 4-Ethoxyindoline include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Ethoxyindoline hazardous?

No GHS hazard classification for 4-Ethoxyindoline 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 4-Ethoxyindoline?

4-Ethoxyindoline is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Ethoxyindoline?

Post a free request on CompoundList and suppliers of 4-Ethoxyindoline will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Ethoxyindoline?

Suppliers quote 4-Ethoxyindoline 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 4-Ethoxyindoline

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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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