For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
Precocene II
SpectraBase Compound ID IdVZdAM4Frk
InChI InChI=1S/C13H16O3/c1-13(2)6-5-9-7-11(14-3)12(15-4)8-10(9)16-13/h5-8H,1-4H3
InChIKey PTIDGSWTMLSGAH-UHFFFAOYSA-N
Mol Weight 220.27 g/mol
Molecular Formula C13H16O3
Exact Mass 220.109944 g/mol
Copyright Copyright © 2012-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Calbiochem, EMD Chemicals, Inc., an Affiliate of Merck KGaA, Darmstadt, Germany
Source of Spectrum Forensic Spectral Research
Catalog Number 529587
Technique KBr0
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 194913
Technique Melt
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Calbiochem, EMD Chemicals, Inc., an Affiliate of Merck KGaA, Darmstadt, Germany
Source of Spectrum Forensic Spectral Research
Catalog Number 529587
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number 194913
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCL3
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 194913
Solvent CDCl3
Copyright Copyright © 2015-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Calbiochem, EMD Chemicals, Inc., an Affiliate of Merck KGaA, Darmstadt, Germany
Source of Spectrum Forensic Spectral Research
Catalog Number 529587
Copyright Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Catalog Number 194913
Copyright Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 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 Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Adams' Essential Oil Components (GC-MS), Version 4
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum W5-1989-26747-1
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum SK-20-1349-2
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Y-25-875-7
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 194913
Solvent CDCl3
  • 6,7-Dimethoxy-2,2-dimethyl-3-chromene
  • PTIDGSWTMLSGAH-UHFFFAOYSA-N
  • PRECONENE-II
  • 2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl-
  • Ageratochromene
  • 2H-BENZOPYRAN, 6,7-DIMETHOXY-2,2-DIMETHYL-
Title Journal or Book Year
Identification of Two Chromenes from Calea serrata by Semiautomatic Structure Elucidation Journal of Natural Products 1997
Chromenes from Ageratum conyzoides Phytochemistry 1991

This compound is available in the following databases:

Sigma-Aldrich Library of Raman Spectra

Author: Wiley/Sigma-Aldrich

Wiley, on behalf of Merck KGaA Darmstadt, Germany, releases the Sigma-Aldrich Library of Raman Spectra, featuring over 6,480 high-quality Raman spectra. Learn more.

KnowItAll NMR Spectral Library

Author: Wiley

The KnowItAll NMR Spectral Library offers a comprehensive collection of NMR reference spectra, including NMR, CNMR, and XNMR, and covers a wide range of compounds including organics, polymers, monomers, metabolites, and more. Learn more.

KnowItAll IR, Raman, and UV-Vis Spectral Libraries

Author: Wiley

The KnowItAll IR, Raman, and UV-Vis spectral libraries offer access to the world's largest collection of IR, Raman, and UV-Vis spectra, including the renowned Sadtler spectra. The libraries include a wide range of compounds from pure organics to industrial compounds. Learn more.

KnowItAll Mass Spectral Library

Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

Unknown Identification

Search your unknown spectrum against the world's largest collection of reference spectra

KnowItAll Campus Solutions

KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.