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1,5,6,7-Tetrahydro-4H-Indol-4-One

CAS: 13754-86-4 | C8H9NO

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 13754-86-4
Molecular Formula: C8H9NO
Molecular Mass: 135.17 g/mol

Names and Synonyms:

1,5,6,7-Tetrahydro-4H-Indol-4-One
4H-Indol-4-one, 1,5,6,7-tetrahydro-
Indol-4(5H)-one, 6,7-dihydro-
1,5,6,7-Tetrahydro-4H-indol-4-one
4-Oxo-4,5,6,7-tetrahydroindole
4,5,6,7-Tetrahydro-4-indolone
4,5,6,7-Tetrahydro-4-oxoindole
1,5,6,7-Tetrahydroindol-4-one
NSC 131681
6,7-Dihydro-1H-indol-4(5H)-one

Identifiers:

SMILES:
O=C1CCCc2[nH]ccc21
InChI:
InChI=1S/C8H9NO/c10-8-3-1-2-7-6(8)4-5-9-7/h4-5,9H,1-3H2

Key Properties

Boiling Point
160-180 °C @ Press: 0.02 Torr CAS Common Chemistry
Melting Point
187-188 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 135.17 g/mol CAS Common Chemistry
135.166 g/mol RDKit
135.068413908 g/mol RDKit
Boiling Point 160-180 °C @ Press: 0.02 Torr CAS Common Chemistry
Canonical SMILES O=C1C=2C=CNC2CCC1 CAS Common Chemistry
InChI InChI=1S/C8H9NO/c10-8-3-1-2-7-6(8)4-5-9-7/h4-5,9H,1-3H2 CAS Common Chemistry
InChI Key InChIKey=KASJZXHXXNEULX-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 187-188 °C CAS Common Chemistry
Name 1,5,6,7-Tetrahydro-4H-indol-4-one CAS Common Chemistry
Heavy Atom Count 10 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 32.86 Ų RDKit
LogP 1.5337 RDKit
Molar Refractivity 38.06120000000001 RDKit

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