These reference works contain authoritative articles (and some data) on topics in chemistry and biochemistry. Written by experts in their respective fields, the articles contain extensive bibliographies to journal articles for further information. You can browse each reference work by topic or article title, or search across the full text.
Kirk-Othmer, Ullmann;s, and Encyclopedia of Life Sciences add new articles several times a year, so please note the publication date of the article(s) in question, as they may be older than what you need:
Recently published encyclopedias for chemistry and related sciences:
Additional reference works. Hover over the title for a description.