(E)-4-oxobut-2-enoic acid

Molecular Formula: C4H4O3


InChI: InChI=1/C4H4O3/c5-3-1-2-4(6)7/h1-3H,(H,6,7)/b2-1+/f/h6H

InChIKey: InChIKey=ZOIRMVZWDRLJPI-KHBIFFSIDV
SMILES: C(=CC(=O)O)C=O

Names:
    EINECS 216-402-6
    (E)-4-oxobut-2-enoic acid
    1575-59-3
    4-Oxoisocrotonic acid

Registries:
    PubChem CID 5314579
    PubChem ID 216323