CAS 53888-91-8 appears in our catalog under these names: 4-(Dimethylphosphoryl)benzoic acid, 4-(Dimethylphosphoryl)benzoic acid, 95%, 95%, 4-(Dimethylphosphoryl)benzoic acid, 95%. Offered by: Biosynth, Chemat, Fluorochem. Available pack sizes: 50mg, 0,5g, 100mg, 250mg, 500mg.