4-Bromophenylboronic Acid (contains varying amounts of Anhydride)

• CAT Number: R057634
• CAS Number: 5467-74-3
• Molecular Formula: C6H6BBrO2
• Molecular Weight: 200.83
• Purity: ≥95%
• Synonyms: B-(4-Bromophenyl)boronic Acid; p-Bromobenzeneboronic Acid; (4-Bromophenyl)boronic Acid; (4-Bromophenyl)boronic Acid; (p-Bromophenyl)boronic Acid; 4-Bromobenzeneboronic Acid; NSC 25407; p-Bromobenzeneboronic Acid; p-Bromophenylboric Acid
• Storage: Store at RT
• IUPAC Name: (4-bromophenyl)boronic acid
• InChI: InChI=1S/C6H6BBrO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4,9-10H
• InChIKey: QBLFZIBJXUQVRF-UHFFFAOYSA-N
• SMILES: B(C1=CC=C(C=C1)Br)(O)O

4-Bromophenylboronic Acid(CAT: R057634) is a versatile organoboron compound widely used in Suzuki-Miyaura cross-coupling reactions for forming carbon–carbon bonds. Featuring a bromine substituent at the para-position, it enables selective functionalization of aromatic rings, making it an essential intermediate in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. Its dual reactivity allows for further derivatization via both electrophilic substitution and cross-coupling strategies. In medicinal chemistry, 4-Bromophenylboronic Acid contributes to the development of kinase inhibitors, proteasome inhibitors, and other bioactive molecules.