C3H6O3

The molecular formula C3H6O3 may refer to:
 * Dihydroxyacetone
 * Dimethyl carbonate
 * Glyceraldehyde
 * 3-Hydroxypropionic acid
 * Lactic acid
 * Trioxanes
 * 1,2,4-Trioxane
 * 1,3,5-Trioxane