Reaxys®: The Quickest Path from Q to A

Synthesis planning combined with easily searchable chemistry data, literature and reactions

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Elsevier Launches New Blog:
Pharma R&D Today

Explore, read, comment and share new perspectives on lead identification and optimization: Visit Elsevier's new blog Pharma R&D Today.

Elsevier Launches Two R&D Blogs

The Direct 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.

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.

What is Smarter Chemistry?

Smarter chemistry is about connecting ideas and connecting people. It begins with finding relevant information, like data about chemical reactions and chemical compounds. With 150 years' experience in organizing scientific information, Elsevier has the journals, databases and search tools to provide the Chemical data that empower researchers to make groundbreaking discoveries. Reaxys stands at the core of Elsevier's commitment to smarter chemistry, giving scientists direct access to the answers they need to make the world a better place.


chemical data – choosing the right license

Choosing the Right License

Reaxys delivers chemical data and literature, while Reaxys Medicinal Chemistry helps connect chemicals, bioactivity data and targets. Available separately or fully integrated through a single UI, they support every type of chemical and pharmaceutical R&D.

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, 1,1mb)

The Prize is Now Open

The Reaxys PhD Prize is now open for entries. Every year we support 45 PhD students to enrich their connections and propel their careers forward through the PhD Prize. Have you or someone you know conducted outstanding research? Then submit your entry today. Entering the prize is quick and easy. You’ll need a peer reviewed paper, a letter of recommendation from your supervisor and a CV (resume). For more details about the prize and to see the previous years’ winners visit the PhD Prize website

Submit your entry today

chemical data – 2015 Reaxys PhD Prize


Learn and Understand Named Reactions: Download the ReactionFlash App

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 250 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. Start learning today:

Download the ReactionFlash app nowDownload ReactionFlash – App Store