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(Z)-ethyl 3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)acrylate

Chemical FDA Substance Registry (openFDA)
Chemical Identification
CAS Number103995-33-1
INCI Nameethyl (Z)-3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)prop-2-enoate
PubChem CID 11809355
Molecular FormulaC14H12F4O4
InChIKeyInChI=1S/C14H12F4O4/c1-3-21
SMILESCCO/C=C(/C(=O)C1=CC(=C(C(=C1F)F)F)F)\C(=O)OCC
Known Aliases (4)
Common Name
Levofloxacin Tetrafluoro Impurity 2
Scientific Name
Benzenepropanoic acid, α-(ethoxymethylene)-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester, (Z)- Benzenepropanoic acid, α-(ethoxymethylene)-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester, (αZ)- Ethyl (αZ)-α-(ethoxymethylene)-2,3,4,5-tetrafluoro-β-oxobenzenepropanoate
Data Sources (1)
Source Source ID Name in Source Properties
FDA Substance Registry (openFDA) G35T3X66WP (Z)-ethyl 3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)acrylate CAS: 103995-33-1
PUBCHEM: 11809355
FDA UNII: G35T3X66WP
Record Info
IDLDRBE4rD42jjaZYnJHRgG9
CreatedApril 10, 2026, 9:22 p.m.
ModifiedApril 10, 2026, 9:52 p.m.
EnrichedApril 11, 2026, 12:09 a.m.
Data SourceFDA Substance Registry (openFDA)