. "The chemical reactions and pathways resulting in the breakdown of toluene-4-sulfonate, 4-methylbenzenesulfonate, the anion of sulfonic acid attached to a methylbenzene molecule." . . . . . "toluene-4-sulfonate catabolic process" . "4-toluenesulfonate catabolic process" . "4-toluenesulfonate catabolism" . "toluene-4-sulfonate breakdown" . "toluene-4-sulfonate catabolism" . "toluene-4-sulfonate degradation" . "toluene-4-sulphonate catabolic process" . "toluene-4-sulphonate catabolism" . .