是一种化合物编号方式,和CAS号差不多EINECSNumber:TheMeaningisExistingCommercialChemicalSubstancesNo.chemicalsarelistedbytheEuropeanunionintheEuropeanInventoryofExistingCommercialChemicalSubstances(EINECS).EachchemicalsolistedwouldhaveanumberinthislistwhichiscalledEINECSnumber.