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。
Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate
N-(2-((2-(Dimethylamino)ethyl)(methyl)amino)-4-methoxy-5-((4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)amino)phenyl)acrylamide methanesulfonate
3-Nitrobenzenesulfonic acid hydrate
Ethane-1,2-diyl bis(4-methylbenzenesulfonate)
Sodium (4-nitrophenyl)methanesulfonate
2,2,3,3-Tetrafluoropropyl 4-methylbenzenesulfonate
(Aminooxy)sulfonic acid
(2S,3S)-Benzyl 2-amino-3-methylpentanoate 4-methylbenzenesulfonate
Oxetan-3-yl methanesulfonate
1-Butylsulfonic-3-methylimidazolium hydrogensulfate
2-((3H-Phenothiazin-3-ylidene)amino)benzene-1,4-disulfonic acid
2,2-Difluoroethyl 4-methylbenzenesulfonate
Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Iron(III) 4-methylbenzenesulfonate
2-Hydroxyethanesulfonic acid
4-(4-(3-(4-Chloro-3-(trifluoromethyl)phenyl)ureido)phenoxy)-N-methylpicolinamide 4-methylbenzenesulfonate
Ethyl 3-aminobenzoate methanesulfonate
2-(Thiophen-2-yl)ethyl 4-methylbenzenesulfonate
2,6-Dimethylpyridine 4-methylbenzenesulfonate
3-Fluoropropyl 4-methylbenzenesulfonate
2-Methoxyethyl methanesulfonate
((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid hydrate
1-Butyl-3-methylimidazolium methanesulfonate
((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate)
5-((1S,2S)-2-((2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-9-Amino-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl)-1,2-dihydroxyethyl)-2-hydroxyphenyl hydrogen sulfate
5-Methoxy-1H-benzo[d]imidazole-2-sulfonic acid
(S)-Diethyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate 4-methylbenzenesulfonate
6,6'-(Ethane-1,2-diyl)bis(3-aminobenzenesulfonic acid)
sec-Butyl 4-methylbenzenesulfonate
