T 1414 (OTTO) Tetra heptyl ammonium bromide, for HPLC 99%+ - Cas no 4368-51-8 - used as a mobile phase for the separation of a series of glucosinolates by reversed-phase ion-pair liquid chromatography. T 1414 (OTTO) Tetra heptyl ammonium bromide, for HPLC 99%+ - Cas no 4368-51-8 - used in the extraction of molybdenum complexes into toluene film.