Description

4-Ethoxy-2,3-difluorobenzaldehyde (CAS No. 126162-95-6) is a high-purity fluorinated benzaldehyde derivative with the molecular formula C₉H₈F₂O₂. This compound is characterized by its ethoxy and difluoro substitutions at the 4, 2, and 3 positions of the benzaldehyde ring, making it a valuable intermediate in organic synthesis and pharmaceutical research. It is supplied as a crystalline solid or solution, with stringent quality control to ensure >98% purity (HPLC). Ideal for use in cross-coupling reactions, heterocycle synthesis, and as a building block for advanced materials. Store under inert conditions at 2-8°C to maintain stability.

Properties

• CAS Number: 126162-95-6
• Complexity: 175
• IUPAC Name: 4-ethoxy-2,3-difluoro-benzaldehyde
• InChI: InChI=1S/C9H8F2O2/c1-2-13-7-4-3-6(5-12)8(10)9(7)11/h3-5H,2H2,1H3
• InChI Key: DYASUFNACNHJMK-UHFFFAOYSA-N
• Exact Mass: 186.04923582
• Molecular Formula: C9H8F2O2
• Molecular Weight: 186.15
• SMILES: CCOC1=C(C(=C(C=C1)C=O)F)F
• Topological: 26.3
• Monoisotopic Mass: 186.04923582
• Synonyms: 4-Ethoxy-2,3-difluorobenzaldehyde, 126162-95-6, Benzaldehyde, 4-ethoxy-2,3-difluoro-, 4-Ethoxy-2,3-da4-Ethoxy-2,3-difluorobenzaldehydeifluorobenzaldehyde, MFCD09258700, 4-ETHOXY-2,3-DIFLUORO BENZALDEHYDE, SCHEMBL2544586, SCHEMBL28637023, DTXSID90560986, DYASUFNACNHJMK-UHFFFAOYSA-N, SBB090373, AKOS015956713, PS-8475, DA-18183, CS-0191518

Application

4-Ethoxy-2,3-difluorobenzaldehyde is widely used as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and liquid crystal materials. Its unique fluorinated structure enhances bioavailability and metabolic stability in drug development. Researchers utilize this compound in Suzuki-Miyaura coupling and other palladium-catalyzed reactions to construct complex aromatic systems. It also serves as a precursor for fluorescent dyes and electronic materials due to its electron-withdrawing properties.

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