C5H5NS

The molecular formula C5H5NS (molar mass: 111.16 g/mol, exact mass: 111.0143 u) may refer to:


 * 2-Mercaptopyridine
 * Thiazepines
 * 1,2-Thiazepine
 * 1,3-Thiazepine
 * 1,4-Thiazepine