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The CrossFire Beilstein database is the world's largest compilation of chemical facts. As the cornerstone database to organic chemistry, the CrossFire Beilstein database is essential for generating new leads, planning synthetic routes (including starting materials and intermediates), determining bioactivity and physical properties and ascertaining the environmental fates of compounds.
With the second update in 2006, the 10 millionth reactions in CrossFire Beilstein have been released. Passing this important milestone emphasizes the enduring and increasing value of the database as the essential first step in chemical discovery.
HDAC Inhibitors Database
A small database contains information about molecules or drugs that block HDACs. Histone deacetylase inhibitors are emerging as a new class of potential anticancer agents.
MSD Ligand Chemistry
This is a database of the small molecules, ligands and monomers which may appear in molecules that are classified in the larger Protein Data Bank database. This resource forms a part of the Macromolecular Structure Database at the European Bioinformatics Institute. The database is searchable by atom energy types, molecular classification, via a JME structure editor, and other properties.
Online version of the well-known Sigma-Aldrich chemical catalog. Includes CAS registry numbers and a variety of physical and chemical properties of chemicals manufactured by Sigma-Aldrich. Free registration is required to access additional features such as MSDS and NMR and IR spectra.
SpresiWeb a new dimension of integrating scientific databases. The search can be carried out for molecules, reactions and references. SpresiWeb combines a large chemical database with lots of links to additional information sources. SpresiWeb contains over 5,0 million compounds, 3,7 million reactions, 600.000 references and 164.000 patents.
Chemical information (nomenclature, identification, structures), references to literature on biochemical, physiological, pharmacological, and toxicological effects of drugs and other chemicals, developmental and reproductive toxicology, and environmental teratology.
WebReactions is a unique reaction search system offering direct retrieval of reaction precedents through the internet. The system is easy to learn and use and is extremely fast in locating matches for reaction queries from the database.
ZINC - a Free Database for Virtual Screening
ZINC a free database of over 2.7 million commercially-available compounds for virtual screening in ready-to-dock, 3D format. ZINC contains multiple representations of molecules, since molecules that are not in the biologically relevant protonation state, tautomeric, stereo- or regio-isomeric form in the virtual library often fail to dock and score well.