5-Oxo-2-hexenedioic acid

CAS Registry Number®

31540-68-8

CAS Name

5-Oxo-2-hexenedioic acid

Molecular Formula

C6H6O5

Molecular Mass

158.11

Cite this Page

5-Oxo-2-hexenedioic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=31540-68-8 (retrieved 2025-02-01) (CAS RN: 31540-68-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C6H6O5/c7-4(6(10)11)2-1-3-5(8)9/h1,3H,2H2,(H,8,9)(H,10,11)

InChIKey

InChIKey=OOEDHTCVMHDXRH-UHFFFAOYSA-N

SMILES

C(C(C(O)=O)=O)C=CC(O)=O

Canonical SMILES

O=C(O)C=CCC(=O)C(=O)O

Other Names for this Substance

  • 2-Hexenedioic acid, 5-oxo-
  • 5-Oxo-2-hexenedioic acid
  • 4-Oxalocrotonic acid
  • γ-Oxalocrotonic acid