Back to Search

3-Oxocyclopentanecarboxylic Acid

CAS: 98-78-2 | C6H8O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 98-78-2
Molecular Formula: C6H8O3
Molecular Mass: 128.13 g/mol

Names and Synonyms:

3-Oxocyclopentanecarboxylic Acid
Cyclopentanecarboxylic acid, 3-oxo-
3-Oxocyclopentanecarboxylic acid
Cyclopentanone-3-carboxylic acid
NSC 19869
3-Ketocyclopentylcarboxylic acid
3-Oxocyclopentane-1-carboxylic acid
3-Carboxycyclopentanone

Identifiers:

SMILES:
O=C1CCC(C(=O)O)C1
InChI:
InChI=1S/C6H8O3/c7-5-2-1-4(3-5)6(8)9/h4H,1-3H2,(H,8,9)

Key Properties

Boiling Point
178-180 °C @ Press: 17 Torr CAS Common Chemistry
Melting Point
65 °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 128.13 g/mol CAS Common Chemistry
128.12699999999998 g/mol RDKit
128.047344116 g/mol RDKit
Boiling Point 178-180 °C @ Press: 17 Torr CAS Common Chemistry
Canonical SMILES O=C(O)C1CC(=O)CC1 CAS Common Chemistry
InChI InChI=1S/C6H8O3/c7-5-2-1-4(3-5)6(8)9/h4H,1-3H2,(H,8,9) CAS Common Chemistry
InChI Key InChIKey=RDSNBKRWKBMPOP-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 65 °C CAS Common Chemistry
Name 3-Oxocyclopentanecarboxylic acid CAS Common Chemistry
Heavy Atom Count 9 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 54.370000000000005 Ų RDKit
LogP 0.4402 RDKit
Molar Refractivity 29.983799999999988 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close