2H-Pyran-5-carboxylic acid, 2-oxo-

• Formula: C₆H₄O₄
• Molecular weight: 140.0936
• IUPAC Standard InChI: InChI=1S/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9) Copy

  
• IUPAC Standard InChIKey: ORGPJDKNYMVLFL-UHFFFAOYSA-N Copy
• CAS Registry Number: 500-05-0
• Chemical structure:
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• Other names: α-Pyrone-5-carboxylic acid; Coumalic acid; Cumalic acid; 2-Oxopyran-5-carboxylic acid; 2-Pentenedioic acid, 4-(hydroxymethylene)-, δ-lactone; 2-Pyrone-5-carboxylic acid; α-Pyrone-3-carboxylic acid; 2-Oxo-1,2H-pyran-5-carboxylic acid
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• Information on this page:
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• Other data available:
  • Phase change data
  • Mass spectrum (electron ionization)
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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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