EC No, i.e. Einecs, ELINCS or NLP, is the official number of the substance within the European Union, as defined in Section 1.1.1.2 in Annex VI, Part 1, of Regulation (EC) No 1272/2008.
Is í an uimhir CE, i.e. Einecs, ELINCS nó NLP, uimhir oifigiúil na substainte laistigh den Aontas Eorpach, faoi mar atá sainmhínithe i roinn 1.1.1.2 in Iarscríbhinn VI, Cuid 1, de Rialachán (CE) Uimh. 1272/2008.