C5H8O4
# C5H8O4

The molecular formula $C_5H_8O_4$ may refer to:

* Acetolactic acid
* 4,5-Dihydroxy-2,3-pentanedione
* Dimethyl malonate
* Glutaric acid
* 4-Hydroxy-2-oxopentanoic acid
* 2-Methylsuccinic acid
* Xylosan
