The molecular structure of the title compound. NH4+·C7H7O4S−. is featureless [the methoxy C atom deviating 0. 173 (6) Å from the phenyl mean plane] with interatomic distances and angles in the expected ranges. https://www.bekindtopets.com/flash-find-Mega-CMPK-Bolus-50-ct-limited-choice/