title: C3H4O4
text: # C3H4O4
  
  The molecular formula $C_3H_4O_4$ (molar mass: 104.06 g/mol) may refer to:
  
  * Glycerol carbonate, a cyclic carbonate ester
  * Hydroxypyruvic acid, a pyruvic acid derivative
  * Malonic acid, a dicarboxylic acid
  * Tartronic acid semialdehyde, the uronic acid of glyceraldehyde
  * Monomethyl oxalate, a compound that cannot be isolated but is an intermediate in synthesizing or hydrolyzing dimethyl oxalate
  