Welcome to ChemAxon

ChemAxon is a leader in providing chemical software development platforms and desktop applications for the biotechnology and pharmaceutical industries. By focusing upon active interaction with users and core portability, ChemAxon creates leading edge cross platform solutions to power modern cheminformatics and chemical communication.

Recent news

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Eisai to Acquire Global License to ChemAxon Software for Drug Discovery Infrastructure

January 3, 2012

Patcore, Inc., an exclusive agency for ChemAxon in Japan, confirms the global licensing of ChemAxon’s JChem Cartridge for Oracle to Eisai Co. The database storage and search technology will be used by Eisai for the management of chemical structure information generated in discovery processes in Eisai’s global R&D organization. Details »


Linguamatics and ChemAxon Announce Project to Enhance Text Mining in Chemistry

December 14, 2011

Linguamatics and ChemAxon are pleased to announce that they are partnering in a new, path-breaking project funded by EUREKA’s Eurostars Programme. Details »


ChemAxon Moves to New European Headquarters

December 7, 2011

New location provides state-of-the-art environment for customer services, agile software development and continuing growth
Details »


Forum

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molconvert misaligns functional groups exported to png

“Exporting to a multi-structure .mrv file from Instant JChem and then converting to individual .pn...”


Using Integrated Calculations in IJC

“Yes,  please send me the calculators.jar to pzajac at chemaxon.com Thanks Petr”


Trouble with MarvinSketch and MarvinView together

“I have MarvinSketch embedded on a web page and a link which causes a second tab/window/popup to o...”


Calculation of localization energies L(+)

“I realized my problem.  I had changed the classpath variable to point to JChem 5.3.6, but not th...”


basic pKa's

“I have encountered another problem with the pKa calculator. I have been assuming that if I have ...”


severe bug in JChem 5.3 MEFlow.getMolObject()

“Hi Bob, It seems that many topics are related now, and I think it is better to wait until Eva is...”


Is Fragmenter available for JChem eval?

“You can find help on license file installation here: http://www.chemaxon.com/marvin/help/licensed...”


JChem search out of memory

“ Szabolcs wrote: Hi Wiraj,   From the exception it is certain that the problem is ...”


Error messages when trying to open Derby databases

“As per Evert's email the problem vanished with upgrading to IJC 5.8. Thanks,-vita”


Upcoming events

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5th KNIME Users Group Meeting and Workshop

January 29th – Feb 2nd, 2012. Zurich, Switzerland
Partner participation and workshop.
Visit Event page


Library

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Advanced searching chemical structures in patents Presentation

hajkowski
Patents allow you a limited monopoly on your invention. Equally important, they allow your competitors the same monopoly on their inventions. Chemical structures in patents are frequently…
September 2011 Author: ()
Product group: Markush IP

Tools for Analyzing Exemplified and Markush Structures in Chemical Patents Presentation

pfizer
Medicinal chemists rely on patent intelligence at three distinct junctures of a research project: inception of an idea, ongoing competitive intelligence during project development, and pr…
September 2011 Author: ()
Product group: Markush IP