4-Bromomethylphenylacetic acid (CAS NO.13737-36-5), its Synonyms are 4-(Bromomethyl)phenylacetic acid 97% ; 4-Bromomethyl phenylacetic acid ; 2(4-Bromomethyl phenyl)acetic acid ; [4-(Bromomethyl)phenyl]acetic acid ; Benzeneacetic acid, 4-(bromomethyl)- . It is white to light beige crystalline powder.