The molecule is a phenyl sulfate oxoanion that is the conjugate base of 4-ethylphenyl sulfate, obtained by deprotonation of the sulfate group; major species at pH 7.3. It has a role as a human metabolite, a uremic toxin and a gut flora metabolite. It is a tautomer of a 4-ethylphenyl sulfate.
(4-ethylphenyl) sulfate