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1,2-Cyclopentanedione, 3-methyl-
SpectraBase Compound ID B4lotfRkbU5
InChI InChI=1S/C6H8O2/c1-4-2-3-5(7)6(4)8/h4H,2-3H2,1H3
InChIKey OACYKCIZDVVNJL-UHFFFAOYSA-N
Mol Weight 112.13 g/mol
Molecular Formula C6H8O2
Exact Mass 112.052429 g/mol
Copyright Copyright © 2024-2025 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Database Compilation Copyright © 2023-2025 John Wiley and Sons, Inc. Copyright © 2023-2025 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved.
Source of Spectrum Adams' Essential Oil Components (GC-MS), Version 4
Copyright Database Compilation Copyright © 2023-2025 John Wiley and Sons, Inc. Copyright © 2023-2025 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved.
Source of Spectrum Prof. L. Mondello (Chromaleont s.r.l./Univ. Messina, Italy)
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum SRH-2022-8363-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Adams' Essential Oil Components (GC-MS), Version 4
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum UT-1990-1283-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum W5-2079-0-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Va-0-0-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Va-0-0-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum K1-2000-1911-15
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum UT-1990-1135-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum MG-137-0-0
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum KC-1979-2448-0
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number 178500
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number W270027
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 178500
Solvent CDCl3
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 178500
Solvent CDCl3
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 178500
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 178500
Copyright Copyright © 2017-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2025 John Wiley & Sons, Inc. All Rights Reserved.
Catalog Number 178500
  • Cyclopentanedione<3-methyl-1,2->
  • 3-Methyl-1,2-cyclopentanedione
  • 2-Hydroxy-3-methyl-2-cyclopenten-1-one
  • 3-Methylcyclopentane-1,2-dione
  • Corylon
  • 2-Hydroxy-1-methylcyclopenten-3-one
  • 2-Cyclopenten-1-one, 2-hydroxy-3-methyl-
  • Methyl cyclopentenolone
  • Cyclopentane-1,2-dione <3-methyl->
  • Maple lactone
  • 3-Methylcyclopentane-1,2-quinone
  • Methylcyclopentenolone (diketo form)
  • FEMA NO. 2700
  • EINECS 212-154-8
  • NSC 133445
  • Corylone
  • Cycloten
  • Cyclotene
  • 3-Methylcyclopent-2-en-2-ol-1-one
  • 3-Methyl-2-hydroxy-2-cyclopentenone
  • 2-Hydroxy-3-methyl-2-cyclopentene-1-one

This compound is available in the following databases:

KnowItAll GC-MS Library

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Wiley Registry of Mass Spectral Data 2026

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