Reaxys®
The shortest path to chemistry research answers

Reaxys retrieves literature, compound properties and chemical reaction data faster than any other solution.

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Take the shortest path from chemistry question to answer


Reaxys offers a highly intuitive interface and robust database to help leading chemists retrieve relevant chemical literature, patent information, valid compound properties and experimental procedures in half the time.

Designed to support the full range of chemistry research, including pharmaceutical development, environmental health & safety work and material science, Reaxys puts every scientist, from novice to expert, on the shortest path to answers.


With powerful search options and instant access to expertly curated chemical data, Reaxys helps chemists and researchers:

  • Discover chemical structures, properties and reactions
  • Find relevant chemistry literature and patents with ease
  • Construct queries with streamlined, intuitive interfaces
  • Assess compound synthesis and purchase options
  • Share research data within and outside an organization or institution
  • Compare in-house and published experimental data


CSC logo - Reaxys | Elsevier Solutions

Let the games begin!
Chemists, get your game on!


Join the ChemSearch Challenge and compete with thousands of chemists from research, education and industry fields to see who can achieve the fastest route to finding answers.
Join the ChemSearch Challenge

CSC laptop - Reaxys | Elsevier Solutions


How strong is your chemistry game?
Join and experience the new Reaxys

Through a series of real-world challenges, the ChemSearch Challenge 2017 supports students to actively build conceptual understanding, critical thinking and creative problem solving skills in a fun, worldwide competition.
Register for the webinar
Learn more

How strong is your chemistry game? - Reaxys | Elsevier

All webinar viewers will be entered for a chance to win an onsite #ChemSearch17 event at their institution.*

*Drawing Friday, April 28

Solve chemistry research problems in half the time with Reaxys


Users of Reaxys4:51h   
Users of leading competitive solution11:00h   
Users of all other solutions13:09h   
Source: Based on ~1,700 players competing to solve the same set of research problems during 2015 ChemSearch Challenge. Data shown is average time (minutes and seconds).

With Reaxys, research complexity and inefficiency are replaced with the freedom to discover, innovate and drive chemistry research forward.

Reaxys helps organizations by enabling chemists to:

  • Work faster: When nearly 1,700 users competed to solve the same set of chemistry research problems during the 2015 ChemSearch Challenge, a multi-week online competition for chemists. Reaxys users performed twice as fast as users of other chemistry research solutions.
  • More easily find relevant data: Reaxys' smart indexing and streamlined user interface enables even novice or occassional users to retrieve precise data points from within peer reviewed articles, search patents and assess synthesis and property data.
  • Explore and discover more: Reaxys lets users easily control their search results views and see possibilities they may not have considered otherwise.

See how Reaxys can benefit your organization today.

View our customer stories

What Our Customers Say

"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 Professor Keiji Hirose's story (PDF, 600kb)

"...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 Dr. Bel Mekonnen's story (PDF, 450kb)


Insights and voices for the future of chemistry

Insights and voices for the future of chemistry - Reaxys | Elsevier

Our new Education & Research resource portal brings you videos, articles, infographics and more on hot topics like active learning, diversity & inclusion, and career planning.

Visit the portal

Green & Sustainable Energy Conference

Green & Sustainable Energy Conference - Reaxys | Elsevier

Elsevier will host an Executive Roundtable , bringing together a diverse group of experts and thought-leaders to offer their perspectives on a current industry theme.
14 - 17 May 2017 | Hotel Intercontinental Berlin, Germany

Learn more about this roundtable

Teaching chemistry information literacy

Teaching chemistry information literacy - Reaxys | Elsevier

Chemistry faculty and librarians: Are you doing enough to prepare future chemists for their future careers in research, education and industry?

Take the free assessment

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, 2.1mb)


The new Reaxys is here

It includes a streamlined user interface, critical patents and literature, a powerful layer of indexing & data excerption, and easier integration with existing informatics environments.

Discover the new Reaxys