C9H10O3
# C9H10O3

The molecular formula $C_9H_{10}O_3$ may refer to:

* Apocynin, a natural phenol
* Caffeyl alcohol, a natural phenol
* Dimethoxybenzaldehydes
   * 2,4-Dimethoxybenzaldehyde, a reagent used to specifically quantify phlorotannins
   * 2,5-Dimethoxybenzaldehyde
   * 3,4-Dimethoxybenzaldehyde (veratraldehyde)
* 2-Ethoxybenzoic acid
* Ethylparaben
* Ethyl salicylate
* Ethylvanillin
* Methyl anisate
* Paeonol, a natural phenol
* Phloretic acid, a phenylpropanoid
* Tropic acid
