4-Chlorobenzaldehyde

• CAT Number: R022752
• CAS Number: 104-88-1
• Molecular Formula: C7H5ClO
• Molecular Weight: 140.57
• Purity: ≥95%
• Synonyms: 4-Formylphenyl Chloride; NSC 2078; p-Chlorobenzaldehyde; p-Chlorobenzenecarboxaldehyde; p-Chlorophenylaldehyde; para-Chlorobenzaldehyde
• Storage: Store at RT
• IUPAC Name: 4-chlorobenzaldehyde
• InChI: InChI=1S/C7H5ClO/c8-7-3-1-6(5-9)2-4-7/h1-5H
• InChIKey: AVPYQKSLYISFPO-UHFFFAOYSA-N
• SMILES: C1=CC(=CC=C1C=O)Cl

4-Chlorobenzaldehyde (Cat. No: R022752) is an aromatic aldehyde with the chemical formula C₇H₅ClO, featuring a chlorine atom substituted at the para (4) position of a benzene ring relative to the aldehyde group. It appears as a white to pale yellow crystalline solid or liquid, with a pungent odor. This compound is commonly used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes. Its reactivity, particularly in nucleophilic and electrophilic aromatic substitution reactions, makes it valuable in constructing complex organic molecules.