NAT.GAMMA VALEROLACTONE PRODUCT NAME NAT.GAMMA VALEROLACTONE SYNONYM NAT.3-METHYL-GAMMA-BUTIROLACTONE CODE 3057 CAS Nº 108-29-2 FEMA Nº 3103 EINECS 203-569-5 FORMULA C5 H8 O2 MOLECULAR WEIGHT 100,12