2-Thiophenecarboxaldehyde

• CAT Number: R018387
• CAS Number: 98-03-3
• Molecular Formula: C5H4OS
• Molecular Weight: 112.15
• Purity: ≥95%
• Synonyms: 2-Formylthiofuran; 2-Formylthiophene; 2-Thienaldehyde; 2-Thienylaldehyde; 2-Thienylcarbaldehyde; 2-Thienylcarboxaldehyde; 2-Thiofurancarboxaldehyde; 2-Thiophenealdehyde; NSC 2162; Thiofurfural; Thiophene-2-carbaldehyde; Thiophene-2-carboxaldehyde; Th
• Target: Endogenous Metabolite
• Storage: -20°C
• IUPAC Name: thiophene-2-carbaldehyde
• InChI: InChI=1S/C5H4OS/c6-4-5-2-1-3-7-5/h1-4H
• InChIKey: CNUDBTRUORMMPA-UHFFFAOYSA-N
• SMILES: C1=CSC(=C1)C=O

2-Thiophenecarboxaldehyde（Cat No.:R018387）is an aromatic heterocyclic aldehyde featuring a thiophene ring substituted at the 2-position with a formyl group. It is a valuable building block in organic synthesis, widely used in the development of pharmaceuticals, agrochemicals, dyes, and conducting polymers. Its reactive aldehyde functionality enables participation in condensation reactions, Schiff base formation, and heterocycle synthesis. The sulfur-containing thiophene core offers electron-rich aromatic character, making it suitable for designing π-conjugated systems. 2-Thiophenecarboxaldehyde is an essential intermediate for constructing complex molecules in research and industrial chemistry.