NAT.DELTA UNDECALACTONE PRODUCT NAME NAT.DELTA UNDECALACTONE SYNONYM NAT.6-HEXYLTETRAHYDRO-2H-PYRAN-2-ONE CODE 3489 CAS Nº 710-04-3 FEMA Nº 3294 EINECS 211-915-1 FORMULA C11 H20 O2 MOLECULAR WEIGHT 184,28