The online chemical dictionary, with over 300,000 chemical entries, provides you with a simple interface for the retrieval of chemical information necessary for your business needs. Each entry yielded by your query will identify a chemical name, CAS Registry Number, and chemical synonyms. You may search the dictionary using any of these three fields.
Summary by 李晓霞 on 2002-03-27
Last updated by 李晓霞 on 2002-03-27