2-Oxo-2H-pyran-6-carboxylic acid

CAS Registry Number®

672-67-3
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CAS Name

2-Oxo-2H-pyran-6-carboxylic acid

Molecular Formula

C6H4O4

Molecular Mass

140.09

Cite this Page

2-Oxo-2H-pyran-6-carboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=672-67-3 (retrieved 2024-07-02) (CAS RN: 672-67-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    228 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C6H4O4/c7-5-3-1-2-4(10-5)6(8)9/h1-3H,(H,8,9)

InChIKey

InChIKey=AUZCNXBFVCKKHV-UHFFFAOYSA-N

SMILES

C(O)(=O)C=1OC(=O)C=CC1

Canonical SMILES

O=C1OC(=CC=C1)C(=O)O

Other Names for this Substance

  • 2H-Pyran-6-carboxylic acid, 2-oxo-
  • 2,4-Hexadienedioic acid, 2-hydroxy-, δ-lactone
  • 2-Oxo-2H-pyran-6-carboxylic acid
  • 2-Pyrone-6-carboxylic acid
  • 2-Pyranone-6-carboxylic acid

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