Reaxys is a web-based tool for the retrieval of chemistry information and data from published literature, including journals and patents. The information includes chemical compounds, chemical reactions, chemical properties, related bibliographic data, substance data with synthesis planning information, as well as experimental procedures from selected journals and patents. It is licensed by Elsevier.[1]

Reaxys was launched in 2009 as the successor to the CrossFire databases. It was developed to provide research chemists with access to current and historical, relevant, organic, inorganic and organometallic chemistry information, from reliable sources via an easy-to-use interface.[2]

Scope and access

One of the primary goals of Reaxys is to provide research chemists with access to experimentally measured data – reactions, physical, chemical or pharmacological – in one universal and factual platform.[3] Content covers organic, medicinal, synthetic, agro, fine, catalyst, inorganic and process chemistry and provides information on structures, reactions, and citations. Additional features include a synthesis planner and access to commercial availability information. There have been regular releases and enhancements to Reaxys since it was first launched, including similarity searching.

Reaxys provides links to Scopus for all matching articles and interoperability with ScienceDirect. Access to the database is subject to an annual license agreement.

Core data

The content covers more than 200 years of chemistry and has been abstracted from several thousands of journal titles, books and patents.[4] Today the data is drawn from selected journals (400 titles) and chemistry patents, and the excerption process for each reaction or substance data included needs to meet three conditions:

  1. It has a chemical structure
  2. It is supported by an experimental fact (property, preparation, reaction)
  3. It has a credible citation

Journals covered include Advanced Synthesis and Catalysis, Journal of American Chemical Society, Journal of Organometallic Chemistry, Synlett and Tetrahedron.

Patents in Reaxys come from the International Patent Classes:[2]

  • C07 Organic Chemistry
  • A61K and secondary IPC C07 [Medicinal, Dental, Cosmetic Preparations]
  • A01N
  • C09B Dyes

See also


  1. Baykoucheva, Svetla (2015). "Chapter 5: Finding and Managing Scientific Information". Managing Scientific Information and Research Data. CP Chandos Publishing. pp. 35–36. ISBN 978-0-08-100195-0.
  2. White, M.J. (2014). "Chapter 3: Chemical Patents". In Currano, J.N.; Roth, D.L. (eds.). Chemical Information for Chemists, a Primer. The Royal Society of Chemistry. p. 84. ISBN 978-1-84973-551-3.
  3. Cooper, C (2011). Organic Chemist's Desk Reference (2nd ed.). CRC Press. pp. 14–15. ISBN 978-1-4398-1166-5.
  4. Leonard, J.; Lygo, B.; Procter, G. (2013). "Chapter 17: The Chemical Literature". Advanced Practical Organic Chemistry (3rd ed.). CRC Press. p. 295. ISBN 978-1-4665-9354-1.
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