C2H7NO2S
# C2H7NO2S

The molecular formula $C_2H_7NO_2S$ (molar mass: 109.15 g/mol) may refer to:

* 1-Aminoethanesulfinic acid
* Ammonium thioglycolate
* Dimethylsulfuramidous acid
* Ethanesulfonamide
* 2-Hydroxyethanesulfinamide
* Hypotaurine
* N-Methoxymethanesulfinamide
* N-Methylmethanesulfonamide
* 1-(Methylsulfonyl)methanamine
