H 1903 (OTTO) 3-(Hexadecyldimethylammonio)propanesulfonate, 98% Cas 2281-11-0 - used in a study to investigate the inhibition of mitochondrial carnitine–acylcarnitine translocase by sulfobetaines. H 1903 (OTTO) 3-(Hexadecyldimethylammonio)propanesulfonate, 98% Cas 2281-11-0 - used for extraction of proteins for analysis by chromatography, mass spectroscopy, and electrophoretic methods.