Guaiacol, cas no:90-05-1,1-hydroxy 2- methoxybenzene,colorless or yellow crystal or ... a parasiticide. Methoxyphenols are used in manufacturing stabilizers and antioxidants for plastics and rubbers. They are also used in analgesics, local ... your demands. Guaiacol(99%TC), Vanillin material, Cas no:90-05-1,1-hydroxy 2- methoxybenzene