C4H6O3

The molecular formula C4H6O3 may refer to:


 * Acetic anhydride
 * Acetoacetic acid
 * Dioxanones
 * p-Dioxanone
 * Trimethylene carbonate
 * trans-4-Hydroxycrotonic acid
 * α-Ketobutyric acid
 * 2-Methyl-3-oxopropanoic acid
 * Methyl pyruvate
 * Propylene carbonate
 * Succinic semialdehyde