Analytical Science and Instruments Limited Providing information to the scientific community on all aspects of the analytical sciences in education, chemical suppliers, consultancies, instrumentation and research.
CCINFOweb Web access to health and safety databases covering over 185000 chemical substances. Provided by Canadian Centre for Occupational Health (CCOHS). Free access to CHEMINFO database.
Chem Sources-Online Supplier information for approximately 200000 chemical compounds. Searching for compounds is free, the supplier information is fee based.
ChemBank Initiative for Chemical Genetics. Freely available collection of data about small molecules (over 2000 compounds) and resources for studying their properties, especially their effects on biology.
Chemcyclopedia Plus An annual supplement to Chemical & Engineering News (C&EN). Provides users/purchasers of chemicals with trade names, packaging, special shipping requirements, potential applications, and CAS Registry Numbers. Chemicals are listed in categories.
ChemExpo News, stock reports, products, directories, classifieds, and profiles of commercially available chemical products; focus reports;
Chemical Abstracts Service (CAS) World's largest and most comprehensive chemical database with over 21 million document records and 37 million substances listed.
ChemIDplus A free database of 350000 chemical compounds. Records consist of name, synonyms, CAS number, molecular formula, and direct links to biomedical resources. Included also over 100000 structures. Searchable by substructure with free Chime plugin.
CHEMnetBASE Online access to major chemical reference works from Chapman & Hall/CRC including Combined Chemical Dictionary (CCD), The Handbook of Chemistry & Physics, Polymers: A Property Database, Properties of Organic Compounds.
CML Reference Collection Commercial database of more than 120,000 3D molecular structures expressed in CML (Chemical Markup Language) format.
DDBST - Dortmund Data Bank and DDB Software Package Database of thermodynamic and transport properties of pure components and mixtures for use in process design and development and related software package.
Derwent Information Chemical, pharmaceutical and biotechnological databases, covering patents, journals and conferences.
DETHERM Thermophysical Properties Thermophysical properties of pure substances and mixtures. Phase equilibrium data, caloric data, critical data, transport properties, electrolyte data. Data sets with descriptors and bibliographic references.
Engineering Chemistry Databases The largest numeric database system in China for chemical, petrochemical, metallurgical industries. Provides experimental data, reference information. Can also perform data estimation.
EuroSpec International spectroscopic data bank and archive project for spectroscopic and associated data, from peer reviewed publications, with link to the chemical abstracts register.
FTIRsearch.com Search a database of 87,000 FTIR and Raman spectra using text or full spectral comparison. JAVA required.
Fydat - Physical Property Database Point properties and thermodynamic and transport properties of over 500 common organic compounds and gases. Program calculates mixture properties. Demo version available.
Hazardous Chemical Database Contains names, formulas and registry numbers for 1991 hazardous chemicals. This site was last updated in 1996.
Indiana University Molecular Structure Center Small molecule database of structures that have primarily been determined using single crystal X-ray diffraction. Features JAVA applets that can be used to orient and examine the molecule, and a dedicated Beowulf computer system to generate high quality rendered images. Currently contains over 2,500 molecules.
IRSLDB-Infrared and Raman Spectroscopy Literature Database Bibliography of infrared and Raman spectroscopy and its applications. Provides reference data (title, author(s), journal, page, date info.) collected from 123 journals, grouped into 129 classes.
IUPAC Compendium of Chemical Terminology Also known as the IUPAC Gold Book. Searchable database of nearly 7000 IUPAC-approved definitions of chemical terms. IUPAC - The International Union of Pure and Applied Chemistry.
IUPAC-NIST Solubility Data Series Database Comprising 11 volumes from the IUPAC Solubility Data Series liquids with liquids. A limited number of multi-component (organic-water-salt) systems are also included.
JAICI JAICI is a not-for-profit scientific information service organization featuring, in particular, chemical expertise.
LiqCryst - Online Information about approximately 75000 compounds with liquid crystalline properties. Compound search is free, the compound data are fee based.
MALDI Database from NIST Polymers Division Database of methods, taken largely from the peer-review scientific literature, for matrix-assisted laser desorption ionization (MALDI) mass spectrometry of synthetic polymers.
MDL Information Systems Discovery informatics company for life sciences and chemistry. Makers of Assay Explorer software to track and datamine imaging based experiments.
MDL Information Systems A wide variety of data management, analysis, and visualization tools: ISIS, Chemscape, Sculpt and Assay Explorer. Some free downloads including ISIS/Draw and Chime.
MDL Information Systems, Inc. MDL is a leading provider of integrated logistics and decision support systems that enable a high-throughput environment for research and development in the life sciences and chemical industries.
MDLI Information Systems Provider of chemical structural databases and information management software to the chemical, agrochemical, and pharmaceutical industry.
Munir's Pages Database containing experimental LogP values together with 2D and calculated 3D structures of more than 500 chemical compounds.
Nanogen Index 2 Offers a book containing data on over 3000 pesticides and other environmental contaminants.
NCI-3D Database A free database of more than 120000 substances with 2D and 3D information compiled from the National Cancer Institute. Searchable by substructure with free Chime plugin.
NIST Chemistry WebBook This National Institute of Standards and Technology website provides thermochemical, thermophysical, and ion energetics data. Information and data on gas-phase ion, organic, and organometallic thermochemistry, as well as thermophysical properties of selected fluid systems.
NIST Chemistry WebBook Database of organic chemistry compounds, organized by species. Contains chemical and physical property data on over 30,000 compounds.
Organic Syntheses Free electronic version of printed Organic Syntheses series - detailed reliable experimental methods for the synthesis of organic compounds.
Organic Syntheses Describes checked and edited experimental procedures, spanning a broad range of synthetic methodologies. CrossRef(R) and Chemport(R) enabled reference linking.
Organic Synthesis series All annual volumes of Organic Syntheses in ISIS/Base format. Checked and edited experimental synthetic procedures.
OSHA Search Page Database of documents produced by Occupational Safety and Health Administration, including analytical methods and chemical sampling information.
Polymer Database PoLyInfo Provides free access to data required in polymeric material design - structures, names, and properties of monomers and polymers, polymerization information.
PubChem Free database of chemical structures of small organic molecules and information on their biological activities. Linked with NIH PubMed/Entrez information retrieval system.
Public Chromatography Applications Database Contains HPLC and GC applications provided by major vendors of chromatography equipment. Can be searched by numerous chromatographic parameters, as well as by structure, substructure, and structural similarity.
RADEN Data Bank Is designed for compilation of experimental researches and calculations of the RADiative and ENergy parameters defining the distribution of intensity in electronic and vibrational spectra of diatomic molecules.
Reciprocal Net Distributed database used by research crystallographers to store information about 3D molecular structures.
Risk Management Internet Services - Chemical Databases MSDS, toxicology profiles, chemical health hazards, chemical labeling requirements, TLVs, government lists of hazardous substances, pesticide information, storage compatibility, and chemical safety guides. Use of site requires paid subscription.
SOLV-DB A free database of commercially available solvents searchable by many properties. Compiled by National Center for Manufacturing Sciences.
SPRESIweb - InfoChem GmbH The new SpresiWeb developed by InfoChem is an integrated scientific database containing over 4.5 million molecules, 3.5 million reactions, 380,000 references, 98,000 patents covering years 1974 - 1999.
Synthesis Reviews Database Free database of more than 16000 references to English review articles (from journals and books) of interest to synthetic organic chemists.
Synthetic Pages Free interactive database of practical and reliable organic, organometallic and inorganic chemical syntheses submitted by synthetic chemists.
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 Contains more than 100,000 experimental points concerning the phase behavior and the thermal properties of aqueous solutions containing electrolytes and/or non-electrolytes.
Wiley Database of Polymer Properties 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.
