3,4-dimethoxycinnamic acidChemical Name: 3,4-dimethoxycinnamic acid Molecular Formula: C11H12O4 Formula Weight: 208.21 CAS No.: 2316-26-9Appearance:white or canary crystal powder,it can be solved in ethanol, ethyl acetate and other organic solvent.Assay :99%Usage：It can be used for organic synthesize intermediate