3,4,5-trimethoxycinnamic acidChemical Name: 3,4,5-trimethoxycinnamic acid Molecular Formula: C12H14O5 Formula Weight: 238.24 CAS No.: 90-50-6Appearance: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