CAS 502-61-4 (a-) / 18794-84-8 (b-)

How CAS 502-61-4 (a-) / 18794-84-8 (b-) is used on this site

CAS 502-61-4 (a-) / 18794-84-8 (b-) is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 502-61-4 (a-) / 18794-84-8 (b-) and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.