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Chemistry Development Kit

The Chemistry Development Kit
Developer The CDK Project
Latest release 1.0.1 / June 26, 2007
OS Cross-platform
Genre Chemoinformatics/Molecular modelling/Bioinformatics
License GNU Lesser General Public License

The Chemistry Development Kit is an open source Java library for Chemoinformatics and Bioinformatics. It is available for Windows, Unix, and Mac OS. It is distributed under the GNU LGPL.



The CDK was created in 2000 by Christoph Steinbeck, Egon Willighagen and Dan Gezelter, the developers of Jmol and JChemPaint, to provide a common code base.

Major features


  • 2D diagram editing and generation
  • 3D geometry generation
  • substructure search using exact structures and SMARTS-like queries
  • QSAR descriptor calculation (e.g. Entrez PubMed 16959190)
  • fingerprint calculation
  • force field calculations
  • many chemical input/output formats
  • structure generators


  • protein active site detection
  • cognate ligand detection doi:10.1016/j.jmb.2006.09.041


  • Python wrapper
  • Ruby wrapper
  • active user community
  • newsletter: CDK News


  • Steinbeck, C.; Han, Y. Q.; Kuhn, S.; Horlacher, O.; Luttmann, E.; Willighagen, E.L. The Chemistry Development Kit (CDK): An open-source Java library for chemo- and bioinformatics. Journal of Chemical Information and Computer Sciences 2003, 43, 493-500. doi:10.1021/ci025584y Entrez PubMed 12653513
  • Steinbeck, C.; Hoppe, C.; Kuhn, S.; Floris, M.; Guha, R.; Willighagen, E.L. Recent developments of the chemistry development kit (CDK) - an open-source java library for chemo- and bioinformatics.. Current pharmaceutical design 2006, 12, 2111-20. doi:10.2174/138161206777585274 Entrez PubMed 16796559

See also

Free software Portal
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Chemistry_Development_Kit". A list of authors is available in Wikipedia.
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