CAS Registry Number

CAS 14047-29-1 — 4-Carboxyphenylboronic acid

4-Carboxyphenylboronic acid is an aromatic boronic acid derivative featuring a carboxylic acid functional group, widely used in organic synthesis, particularly for Suzuki cross-coupling reactions, peptide chemistry, and the preparation of boron-containing pharmaceutical intermediates. This solid compound has a CAS number of 14047-29-1, a molecular formula of C7H7BO4 (not C9H13NO), and a molecular weight of 153.95 g/mol. It is stable at ambient storage conditions with no signal word for hazard classification. Molekula supplies 4-Carboxyphenylboronic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.