An official website of the United States government

4-Oxopentanal

PubChem CID
164702
Structure
4-Oxopentanal_small.png
4-Oxopentanal_3D_Structure.png
Molecular Formula
Synonyms
  • 4-Oxopentanal
  • 626-96-0
  • Levulinaldehyde
  • Pentanal, 4-oxo-
  • 4-oxo-pentanal
Molecular Weight
100.12 g/mol
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Dates
  • Create:
    2005-08-08
  • Modify:
    2025-01-04
Description
4-oxopentanal is a ketoaldehyde that is pentanal substituted by an oxo group at position 4. It has a role as a metabolite.

1 Structures

1.1 2D Structure

Chemical Structure Depiction
4-Oxopentanal.png

1.2 3D Conformer

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

4-oxopentanal
Computed by Lexichem TK 2.7.0 (PubChem release 2021.10.14)

2.1.2 InChI

InChI=1S/C5H8O2/c1-5(7)3-2-4-6/h4H,2-3H2,1H3
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.3 InChIKey

KEHNRUNQZGRQHU-UHFFFAOYSA-N
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.4 SMILES

CC(=O)CCC=O
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

C5H8O2
Computed by PubChem 2.2 (PubChem release 2021.10.14)

2.3 Other Identifiers

2.3.1 CAS

2.3.2 European Community (EC) Number

2.3.3 UNII

2.3.4 ChEBI ID

2.3.5 DSSTox Substance ID

2.3.6 Nikkaji Number

2.3.7 Wikidata

2.4 Synonyms

2.4.1 MeSH Entry Terms

4-oxopentanal

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
100.12 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
XLogP3-AA
Property Value
-0.7
Reference
Computed by XLogP3 3.0 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Donor Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Acceptor Count
Property Value
2
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Rotatable Bond Count
Property Value
3
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Exact Mass
Property Value
100.052429494 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Monoisotopic Mass
Property Value
100.052429494 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Topological Polar Surface Area
Property Value
34.1 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Heavy Atom Count
Property Value
7
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
76.1
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
1
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2021.10.14)

3.2 Experimental Properties

3.2.1 Collision Cross Section

121.88 Ų [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

122.33 Ų [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

Ross et al. JASMS 2022; 33; 1061-1072. DOI:10.1021/jasms.2c00111

3.3 SpringerMaterials Properties

4 Spectral Information

4.1 1D NMR Spectra

1D NMR Spectra

4.2 Mass Spectrometry

4.2.1 GC-MS

1 of 2
Source of Spectrum
C-115-837-1
Copyright
Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Source of Spectrum
U1-1998-629-8
Copyright
Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

6 Chemical Vendors

7 Literature

7.1 Consolidated References

7.2 NLM Curated PubMed Citations

7.3 Springer Nature References

7.4 Thieme References

7.5 Chemical Co-Occurrences in Literature

7.6 Chemical-Gene Co-Occurrences in Literature

7.7 Chemical-Disease Co-Occurrences in Literature

8 Patents

8.1 Depositor-Supplied Patent Identifiers

8.2 WIPO PATENTSCOPE

8.3 Chemical Co-Occurrences in Patents

8.4 Chemical-Disease Co-Occurrences in Patents

8.5 Chemical-Gene Co-Occurrences in Patents

9 Taxonomy

10 Classification

10.1 MeSH Tree

10.2 ChEBI Ontology

10.3 ChemIDplus

10.4 CCSBase Classification

10.5 EPA DSSTox Classification

10.6 MolGenie Organic Chemistry Ontology

11 Information Sources

  1. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  2. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  3. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  4. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
  5. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  6. CCSbase
    CCSbase Classification
    https://ccsbase.net/
  7. ChEBI
  8. Japan Chemical Substance Dictionary (Nikkaji)
  9. Natural Product Activity and Species Source (NPASS)
  10. NMRShiftDB
  11. SpectraBase
  12. Springer Nature
  13. SpringerMaterials
  14. Thieme Chemistry
    LICENSE
    The Thieme Chemistry contribution within PubChem is provided under a CC-BY-NC-ND 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc-nd/4.0/
  15. Wikidata
  16. PubChem
  17. Medical Subject Headings (MeSH)
    LICENSE
    Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.
    https://www.nlm.nih.gov/copyright.html
  18. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
  19. PATENTSCOPE (WIPO)
CONTENTS