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1,3-Isochromandione

View entire compound with spectra: 4 NMR, 4 FTIR, 1 Raman, and 1 MS (GC)

1,3-Isochromandione
SpectraBase Compound ID H9ob12grXkf
InChI InChI=1S/C9H6O3/c10-8-5-6-3-1-2-4-7(6)9(11)12-8/h1-4H,5H2
InChIKey AKHSBAVQPIRVAG-UHFFFAOYSA-N
Mol Weight 162.14 g/mol
Molecular Formula C9H6O3
Exact Mass 162.031694 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID 25j6mEuMfj4
Name Homophthalic anhydride
Source of Sample Aldrich
Catalog Number 128589
CAS Registry Number 703-59-3
Classification Aromatic anhydrides
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C9H6O3
InChI InChI=1S/C9H6O3/c10-8-5-6-3-1-2-4-7(6)9(11)12-8/h1-4H,5H2
InChIKey AKHSBAVQPIRVAG-UHFFFAOYSA-N
Solvent Nujol
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms 1,3-Isochromandione 2-Carboxyphenylacetic anhydride
Technique Mull
Wiley ID SIAL_FTIR_1_845