The molecule is a benzoate ester that is methyl-4-hydroxybenzoate in which the phenolic hydrogen has been replaced by a sulfo group. It is a benzoate ester, a methyl ester and an aryl sulfate. It derives from a 4-hydroxybenzoic acid. It is a conjugate acid of a methyl-4-hydroxybenzoate O-sulfate(1-).
methyl 4-sulfooxybenzoate