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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
SpectraBase Compound ID DBUB1Z9z13B
InChI InChI=1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
InChIKey UUUICOMMFFTCHS-UHFFFAOYSA-N
Mol Weight 156.09 g/mol
Molecular Formula C6H4O5
Exact Mass 156.005873 g/mol

1H Nuclear Magnetic Resonance (NMR) Chemical Shifts

1H Nuclear Magnetic Resonance (NMR) Chemical Shifts

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SpectraBase Spectrum ID ARQ8q91Xu6i
Name 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Source of Sample G. Choux, University of Montreal, Montreal, Canada
CAS Registry Number 499-78-5
Color Properties Color= YELLOW
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Formula C6H4O5
InChI InChI=1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
InChIKey UUUICOMMFFTCHS-UHFFFAOYSA-N
Instrument Name Varian A-60
Literature Reference JOCE 32, 3974(1967)
Sadtler NMR Number 6331M
Solvent DMSO-d6
Synonyms 4H-PYRAN-2-CARBOXYLIC ACID, 5-HYDROXY- 4-OXO-, COMENIC ACID 5-HYDROXY-4-PYRONE-2-CARBOXYLIC ACID COMENIC ACID