... , cas no:636-93-1,we are the largest manufacturer of 5-nitroguaiacol 98% in China, widely used... 2-Methoxy-5 ... -4-methoxynitrobenzeneMolecular formula: C7H7NO4Relaive molecular weight: 169.14 Physical and chemical properties:Brown yellow crystals, easily dissolved in water and organic solvent ... your demand. 5-nitroguaiacol 98% 80%, 2-Methoxy-5-Nitrophenol, chemical, 636-93-1