: T 1341 (OTTO) Tetrabutylammonium phosphate, 98% Cas no 5574-97-0 - used as reagent for the analysis of tetrasaccharides and 35S-disaccharides by HPLC. T 1341 (OTTO) Tetrabutylammonium phosphate, 98% Cas no 5574-97-0 - used in the preparation of monobasic tetrabutylammonium phosphate (TBAP) imprinted polymers.