Reaxys®: The Shortest Path from Q to A

Synthesis planning combined with chemistry literature and reactions

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The Shortest Path from Chemistry Question to Insight

Reaxys and Reaxys Medicinal Chemistry combine experimental
chemical data and essential literature with powerful search
interfaces that provide rapid access to facts.


They return relevant extracted chemical data and
citations in response to chemistry questions.
Both can seamlessly integrate into an existing
environment of tools and systems, saving
time and reducing the risk
of inconsistencies.



Are you the quickest at chemistry?

Take the 2016 Reaxys ChemSearch Challenge and stand out in a global community of chemists. Pre-registration opens soon.

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See What's Next: The New Reaxys

We're always working harder and faster than anybody else to deliver you the shortest path to relevant chemistry literature and data. Catch the new Reaxys this October.

Get a preview

2016 Reaxys ChemSearch Challenge - Reaxys | Elsevier

Ask Reaxys: Intuitive Access to
Chemical Data

Ask Reaxys is an intuitive and transparent search option that interprets 'natural language' chemistry questions and retrieves the most suitable answers: chemical reactions, citations, bioactivity data and more.

Ask your chemistry questions

2016 Reaxys PhD Prize Winners Announced | Elsevier

2016 Reaxys PhD Prize Winners Announced

Congratulations to the three winners of the 2016 Reaxys PhD Prize!

The winners were selected from ten finalists who gave an oral presentation to describe the essence of their research. They were judged by members of the Reaxys Advisory Board and Chairs of the Reaxys PhD Prize review board.

Learn more about the winners and Register your interest for next year's Reaxys PhD Prize.

Teaching Information Literacy to Future Chemists

Get new ideas for teaching the next generation of chemists with our short assessment tool.

Today’s information and technology trends can either accelerate or hamper scientific progress and innovation. How well do you understand the opportunities and challenges?

Prepare digital natives for the crucial chemical discoveries of tomorrow.

Take the assessment

Teaching Information Literacy to Future Chemists - Reaxys | Elsevier

Learn and Understand Named Reactions - Reaxys

Learn and Understand Named Reactions

It’s now possible to learn and understand named reactions that only a Nobel Prize Winner could previously know.

The ReactionFlash app helps you learn and understand named reactions, whether famous or almost forgotten, by providing you with over 350 learn named reactions and review mechanisms.

You can also explore published examples from Reaxys and see how much knowledge you have retained by taking a fun ReactionFlash Quiz.

Download the ReactionFlash app now

What Our Customers Say

Reaxys Helps Students Apply Chemical Reaction Data

Reaxys provides chemical reaction information in such a way that researchers can use it directly in an experimental setting. Prof. Keiji Hirose, Associate Professor at Osaka University

Read the case study (PDF, 869kb)

Reaxys Delivers All the Medicinal Chemistry Data

We ... liked having the two products together in a single user interface. Reaxys and Reaxys Medicinal Chemistry are perfect for our needs — they give us medicinal chemistry data with compound synthesis and methodology information. Dr. Bel Mekonnen, CEO of Hager Biosciences

Read the case study (PDF, 698kb)

Reaxys Fact Sheet

Reaxys provides powerful search options to give researchers total control of their search, ensuring only the most relevant answers to their chemistry questions.

Download the Reaxys Fact Sheet (PDF, 1,7mb)


Reaxys Medicinal Chemistry Fact Sheet

Reaxys Medicinal Chemistry empowers hit identification and lead optimization with normalized compound–target affinity data and comprehensive pharmacokinetic, efficacy, toxicity, safety and metabolic profiles.

Download the Reaxys Medicinal Chemistry Fact Sheet (PDF, 1,2mb)