Extreme Search Speed-Ups in JChem PostgreSQL Cartridge 2.7

  • New index type: sortedchemindex
  • Massive speed-up in duplicate and similarity searches using sortedchemindex
  • Extra speed-ups can be achieved in substructure search with top hits
  • Up to 60 times speed-up in case of typical joined queries

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Marvin Applet is no longer available from version 17.7

In the software industry today applet technologies have come to an end; and with that ChemAxon is also announcing its definite stop to the development and release of similar applets. In particular, ChemAxon is discontinuing the Marvin Applet from the version 17.8 – with a complete end for its support on May 1st, 2018. Currently, versions up to 17.7, and a signed version of Marvin Applet is still available upon your request via e-mail. Read the whole post »

Simplified versioning scheme

One giant leap for us, one small change for you – changing our version numbers

Three years ago ChemAxon changed its release method. Based on your feedback and our experience, we have planned several improvements in the process. Among various technical changes, the current versioning, based on date stamp, will be replaced with a simpler scheme using only two numbers.

What does this mean for you? You probably won’t even realize the new change. Here is an example:


The last release with the old versioning was 17.4.3. The upcoming releases will be numbered as 17.5, 17.6, 17.7, etc. This change affects all products that have common version number (e. g.: Marvin and JChem suites, Instant JChem, JChem for Office or ChemCurator).

If you have any questions, please leave a comment below.

ChemAxon Maven Repository

Apr 7, 2017István Őri

We are happy to announce that ChemAxon provides a new Maven repository to integrate some of our products and modules. The repository is designed for integrators and resellers, but available for any registered ChemAxon user.

You can find the documentation and quickstart project examples here. A more complex solution with detailed documentation is available at public JKlustor web example project.

If you need help or experience any trouble, please open a ticket here.

Cheminformatics boosters: ChemAxon's partnership with IDBS

Jul 20, 2016János Fejérvári

ChemAxon, almost 2 decades ago, started as a toolkit company. We created easily integrable software that supports a wide range of technological environment and chemical format, while keeping it scientifically accurate. This business scope is changing lately. We started to focus on web-based applications providing an end-to-end solution for scientific workflows. Yet, partnering plays an important role in ChemAxon’s strategy. We believe that combining industry knowledge is able to push R&D forward, and that we can create an ‘out of the box’ solution reducing the burden on customer IT groups. Currently we have more than 100 partners worldwide, who have integrated ChemAxon technology. Read the whole post »

Java Applet Technology: The Past and Future and The End

Java Applet technology was a great tool to create nice and shiny applications that can be embedded into websites. It even had the ability to communicate with JavaScript through custom APIs. It was fun, people were happy.

But time went by, web based technologies evolved and the browsers adopted the changes. The plugin technologies (Flash, Silverlight, Java, ActiveX, etc.) were pushed back by JavaScript, CSS, and HTML5. The security issues in plugin based technologies did not help either by opening backdoors for malware and flooding the users with alert windows. Read the whole post »

Are we there yet?

About 18 months ago we published “MarvinSketch: on the way towards publication quality drawing”. Although the blog post was the trailing subsequence of the newly introduced label editor, the work has been started way before that and as you would expect it is going ever since. Now we believe the time is right to review the above statement and briefly summarise where we are.

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Did you know... ? A series of videos about ChemAxon's MarvinSketch and Marvin JS tools

MarvinSketch, our chemical editor, was among the first software ChemAxon started to develop. We have been continuously working to make it one of the most chemically-intelligent tool on the market. This is a great heritage that Marvin JS, our JavaScript based drawing tool could take over.

Throughout the development we added some really amazing features that can speed up your work. We wanted to throw some light on these smart details in a series of short videos.

Since mid October, every Thursday we post a brief tutorial to our YouTube channel, showing these hidden treasures in MarvinSketch and Marvin JS. At the time of writing there are 6 videos available, focusing on stereoisomer handling, keyboard shortcuts, quick peptide and reaction drawing.

INTERESTED? CHECK VIDEOS IN THIS PLAYLIST: https://www.youtube.com/watch?v=_TDBRhT8U9I&list=PLA3Ev2ngKC0Ts24mBNck5rV2mHQTksoSC

We hope you will find these videos useful. Have a great time while watching.
If you have a thrilling idea to make video of, share with us and leave a comment down here.

Drawing complex biomolecules as easily as small molecules?

ChemAxon’s BioEditor

Recent exciting advances and innovations at the chemistry-biology interface has sparked us to bridge the gap between chemistry and biology and create our Biomolecule Toolkit.

The next step is to provide a biological sibling for our well established chemical editor, the Marvin. ChemAxon’s new, web-based BioEditor is to handle those complex macromolecules that are tagged by the relatively newly coined terms like “biologics, biologicals or biopharmaceuticals”, and also to add our industry-leading chemical intelligence to them.

To develop the closest editor to your needs, we would like to invite you to join us and meet at the starting line. Please help us to shape our new BioEditor by filling in this short, 5-minute survey.

JChem Base, JChem Oracle Cartridge: Speed-up of combined searches

New improvements in our search algorithm result speed-up of search cases when chemical structure search is combined with non-structural criterion.

Combined, structural and non-structural compound query in SQL using JChem Oracle Cartridge  (JOC) can be defined as:

SELECT * FROM tableName WHERE jc_compare(‘CCC’, cd_structure, ‘t:s’) AND id<4000.

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