磺酸，磺基与烃基（包括芳基）相连接而成的一类有机化合物。通式为R-SO3H，R代表烃基，强酸性，有比较大的水溶性，用于制染料、药物、洗涤剂，有多种制法。
2-(3-(3,3-Dimethyl-1-(6-oxo-6-(prop-2-yn-1-ylamino)hexyl)-5-sulfoindolin-2-ylidene)prop-1-en-1-yl)-1-ethyl-3,3-dimethyl-5-sulfo-3H-indol-1-ium
2-(5-(3,3-Dimethyl-1-(6-oxo-6-(prop-2-yn-1-ylamino)hexyl)-5-sulfoindolin-2-ylidene)penta-1,3-dien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate
6-Hydroxy-2-naphthimidamide methanesulfonate salt
Ethyl 4-methylbenzenesulfonate
1-((2-(2,4-Difluorophenyl)oxiran-2-yl)methyl)-1H-1,2,4-triazole methanesulfonate
Phenethyl 4-methylbenzenesulfonate
(R)-2-Hydroxy-2-phenylethyl 4-methylbenzenesulfonate
(S)-2-Hydroxyethyl 2-amino-3-methylbutanoate 4-methylbenzenesulfonate
N1-(5-Aminopentyl)-N1-hydroxy-N4-(5-(N-hydroxy-4-((5-(N-hydroxyacetamido)pentyl)amino)-4-oxobutanamido)pentyl)succinamide methanesulfonate
(R)-[1,1'-Binaphthalene]-2,2'-disulfonic acid
8-Hydroxy-5,7-dinitronaphthalene-2-sulfonic acid
Oxiran-2-ylmethyl 4-methylbenzenesulfonate
(R)-Tetrahydrofuran-3-amine 4-methylbenzenesulfonate
(2S,3aS,7aS)-Benzyl octahydro-1H-indole-2-carboxylate 4-methylbenzenesulfonate
Propyl benzenesulfonate
4-Chloro-3-methylphenyl methanesulfonate
But-2-yn-1-yl 4-methylbenzenesulfonate
3-Butynyl 4-methylbenzenesulfonate
4-(4-(4-(4-Fluoro-3-(trifluoromethyl)phenyl)-1-methyl-1H-imidazol-2-yl)piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine 4-methylbenzenesulfonate
Ethyl 4-((6-guanidinohexanoyl)oxy)benzoate methanesulfonate
Pyrrolidine-2-carbonitrile 4-methylbenzenesulfonate
Octyl 4-methylbenzenesulfonate
(R)-(3-(3-Fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl)methyl methanesulfonate
2-Guanidinoethanesulfonic acid
2-(Benzylamino)ethyl hydrogen sulfate
(1R,2S)-2-Fluorocyclopropanamine 4-methylbenzenesulfonate
3-Amino-4-methoxybenzenesulfonic acid
4-Pyridinesulfonic acid
2,2,3,3,3-Pentafluoropropyl 4-methylbenzenesulfonate
