Chemical Databases
Links
The ChemExper Chemicals Directory
A catalog of 60000 fine chemicals searchable for free using a chemist-friendly search engine. Products are listed with physical data including IR spectra and MSDS. Contributions to the database possible with dedicated (and free) program.
The IVC-SEP Data Bank for Electrolyte Solutions
http://www.ivc-sep.kt.dtu.dk/databank/databank.asp
Contains more than 100,000 experimental points concerning the phase behavior and the thermal properties of aqueous solutions containing electrolytes and/or non-electrolytes.
WebReactions - Organic Reaction Retrieval System
Free reaction search system offering direct retrieval of reaction precedents. Search based on reaction types and bonding change.
Wiley Database of Polymer Properties
http://www.interscience.wiley.com/db/wdpp
Physical property data for polymers commercially available, with experimentally determined and selected data for over 2,500 polymers. Derived from the Polymer Handbook.
ZINC
Free database of over 2.7 million commercially-available compounds for virtual screening in ready-to-dock, 3D format.