2-METHYL-TETRAHYDROFURAN-3-ONE PRODUCT NAME 2-METHYL-TETRAHYDROFURAN-3-ONE SYNONYM COFFEE FURANONE CODE 3165 CAS Nº 3188-00-9 FEMA Nº 3373 EINECS 221-685-4 FORMULA C5 H8 O2 MOLECULAR WEIGHT 100,12