NAT.4-ETHYL GUAIACOL PRODUCT NAME NAT.4-ETHYL GUAIACOL SYNONYM NAT.4-ETHYL GUAIACOL CODE 3434 CAS Nº 2785-89-9 FEMA Nº 2436 EINECS 220-500-4 FORMULA C9 H12 O2 MOLECULAR WEIGHT 152,19