2-Nitrobenzaldehyde

• CAT Number: R058190
• CAS Number: 552-89-6
• Molecular Formula: C7H5NO3
• Molecular Weight: 151.12
• Purity: ≥95%
• Synonyms: o-Nitrobenzaldehyde; 1-Formyl-2-nitrobenzene; 2-Formyl-3-nitrobenzene; NSC 5713; 2-Nitrobenzenecarboxaldehyde; 2-NBA
• Storage: -20°C
• IUPAC Name: 2-nitrobenzaldehyde
• InChI: InChI=1S/C7H5NO3/c9-5-6-3-1-2-4-7(6)8(10)11/h1-5H
• InChIKey: CMWKITSNTDAEDT-UHFFFAOYSA-N
• SMILES: C1=CC=C(C(=C1)C=O)[N+](=O)[O-]

2-Nitrobenzaldehyde(CAT: R058190) is an aromatic aldehyde bearing a nitro group at the ortho position relative to the formyl group on the benzene ring. This yellow crystalline compound is a key intermediate in organic synthesis, especially valued for its reactivity in photochemical and condensation reactions. It is widely used in the synthesis of heterocycles, dyes, pharmaceuticals, and as a photoremovable protecting group in photolabile compounds. The electron-withdrawing nitro group enhances the compound’s electrophilicity, enabling selective transformations.