2-Acetylphenylboronic acid (CAS NO.308103-40-4) is also named as (2-Acetylphenyl)boronic acid ; Boronic acid, B-(2-acetylphenyl)- ; 1-[2-(Dihydroxyboranyl)phenyl]ethan-1-one . 2-Acetylphenylboronic acid (CAS NO.308103-40-4) is white to light yellow crystal powder.