1-Octadecanaminium, N,N,N-trimethyl-, methyl sulfate 15461-40-2 18684-11-2 39336-75-9 Ammonium, trimethyloctadecyl-, methyl sulfate EINECS 242-501-9 N,N,N-Trimethyl-1-octadecanaminium methyl sulfate Stearyl trimethylammonium methyl sulfate Stearyltrimonium methosulfate Trimethyl(octadecyl)ammonium methyl sulphate Trimethyloctadecylammonium methosulfate Trimethyloctadecylammonium, methyl sulfate Trimethylstearylammonium methylsulfate