The molecule is an member of the class of phenylacetic acids that is phenylacetic acid in which one of the hydrogens alpha- to the carboxy group has been replaced by a sulfo group. It is an organosulfonic acid and a member of phenylacetic acids. It derives from a phenylacetic acid. It is a conjugate acid of an alpha-sulfophenylacetate.
2-phenyl-2-sulfoacetic acid