Gallic acid(3,4,5-Trihydroxybenzoic acid) CAS: 149-91-7 Spc.: European standard -93 (first grade), JIS (first grade), ... (1985), Top grade. Name: Gallic acid Chemical Name: 3,4,5-Trihydroxybenzoic acid Structural formula: Molecular formula & Molecular weight: C7H8O6 / 88 ... Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, ...