Ferulic acid [1135-24-6] (4-Hydroxy-3-methoxycinnamic acid) (mainly trans) C10H10O4 Merck Index RTECS# GD9275000 Slightly creamy-white to pale creamy-yellow powder Assay: not less than 99.0% (by titration for COOH ) Content of cis isomer: less than 1% 中文名