Fumarate(2-)

CAS Registry Number®

142-42-7

CAS Name

Fumarate(2-)

Molecular Formula

C4H2O4

Molecular Mass

114.06

Cite this Page

Fumarate(2-).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=142-42-7 (retrieved 2025-04-02) (CAS RN: 142-42-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/p-2/b2-1+

InChIKey

InChIKey=VZCYOOQTPOCHFL-OWOJBTEDSA-L

SMILES

C(=C/C([O-])=O)\C([O-])=O

Canonical SMILES

O=C([O-])C=CC(=O)[O-]

Other Names for this Substance

  • 2-Butenedioic acid (2E)-, ion(2-)
  • Fumaric acid, ion(2-)
  • 2-Butenedioic acid (E)-, ion(2-)
  • Fumarate
  • Fumarate(2-)

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