Welcome to ZINC, a free database of commercially-available compounds for virtual screening. ZINC contains over 3.3 million compounds in ready-to-dock, 3D formats. ZINC is provided by the Shoichet Laboratory in the Department of Pharmaceutical Chemistry at the University of California, San Francisco (UCSF). To cite ZINC, please reference Irwin and Shoichet, J. Chem. Inf. Model. 2005;45(1):177-82 PDF, DOI. We thank NIGMS for financial support (GM71896).

NEWS: This is ZINC5, released Jan 2005. It was the default ZINC version until May 25, 2006. This version is deprecated, but will stay online through the end of 2007 to provide support for users who started projects with it. For new projects, please use the current version, ZINC7, which is here.

Caveat Emptor: We do not guarantee the quality of any molecule for any purpose and take no responsibility for errors arising from the use of this database. ZINC is provided in the hope that it will be useful, but you must use it at your own risk.

 
Options:

Compounds in ZINC may be ordered directly from the vendors below. Please visit their web sites and let them know you found it in ZINC! We thank these suppliers for making their catalogs available via collaborative agreements:


Ryan Scientific
ChemBridge

ChemDiv

Sigma Aldrich

Specs

ComGenex

Otava
Asinex
NCI

TimTec

Enamine
Maybridge

AmbInter

InterBioScreen
Life Chemicals (was IFLab)

Key Organics

Microsource
Nanosyn

Pharmeks

PubChem
InterChim
 

Whereas you are free to share the results of a ZINC search or a screen of molecules from ZINC, you may not redistribute major portions of ZINC without the express written permission of John Irwin.

Documentation & FAQ page describe changes to ZINC after the JCIM paper went to press. Please direct correspondence to databases at docking.org. Be among the first on your block to join the ZINC fan club and other related mailing lists. If you have used ZINC to obtain an interesting result, if there is something about ZINC you don't quite like, or if you just want to natter about databases and docking, feel free to drop us a line at comments at docking.org.
We are grateful to
the following for software
to power ZINC:
OpenEye
Scientific
Software
 

Schrodinger, Inc.
Cactvs
and Peter Ertl 's JME
... we also acknowledge: Apache, RedHat Linux, Condor, Perl and mod_perl, Python, MySQL, Slash, Povray, Jmol.

DOCK4.0 users: add a substructure record using this script or this one contributed by Zhenting Gao.
Current database statistics.
Last updated: June 30, 2005 by John Irwin, jji at cgl.ucsf.edu

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