4-Formyl-3-hydroxybenzoic acid

• CAT Number: L029163
• CAS Number: 619-12-5
• Molecular Formula: C8H6O4
• Molecular Weight: 166.13
• Purity: ≥95%
• IUPAC Name: 4-formyl-3-hydroxybenzoic acid
• InChI: InChI=1S/C8H6O4/c9-4-6-2-1-5(8(11)12)3-7(6)10/h1-4,10H,(H,11,12)
• InChIKey: FDDHFCWYCKQKGY-UHFFFAOYSA-N
• SMILES: C1=CC(=C(C=C1C(=O)O)O)C=O

4-Formyl-3-hydroxybenzoic acid（Cat No.:L029163）is an aromatic carboxylic acid featuring a hydroxyl group at the 3-position and a formyl group at the 4-position of the benzene ring. This multifunctional molecule exhibits both acidic and aldehydic reactivity, making it a valuable intermediate in organic synthesis, particularly in the design of Schiff bases, ligands, and heterocycles. Its hydroxyl group enhances its solubility and facilitates hydrogen bonding, while the formyl group is amenable to condensation reactions. It is commonly used in pharmaceutical and material science research for constructing complex molecular frameworks.