| Agency_for_Toxic_Substances_and_Disease_Registry Searchable database for publications and resources about the effect of hazardous substances on public health and the environment. |
| 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. |
| ChemBank_-_Small_Molecule_Bioactives_Database Chemical structures and biological activity data for over 2,000 compounds, primarily from published sources. |
| 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 R |
| 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 possi |
| ChemExpo News, stock reports, products, directories, classifieds, and profiles of commercially available chemical products; focus reports; |
| Chemfinder_Chemical_Directory Directory of chemicals, physical properties, and Internet links. |
| Chemical_Abstracts_Service_(CAS) Provides pathways to published research in the world's journal and patent literature through tools such as SciFinder, SciFinder Scholar and STN. CAS databases provide access to over 25 million documen |
| Chemical_Kinetics_and_Thermochemistry_Database_for_High-Temperature_Materials_Synthesis Free database containing thermochemistry data for over 400 compounds relevant to high-temperature processes used in materials synthesis. Searching by molecular formula. |
| 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. Searchab |
| 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, Prope |
| ChemRef Database of organic compounds that have been identified in petroleum materials. Includes chromatographic separations, mass spectra, chemical structures, molecular weight, etc. |
| 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 ref |
| DIPPR_(Design_Institute_for_Physical_Property_Data)_Project_801 Compilation of reliable physical, thermodynamic, and transport properties for 1,793 industrially important chemical compounds with 44 properties. The database is sponsored by AIChE. |
| eMolecules__Searching_the_World\'s_Chemistry Free chemical structure search engine. Millions of public domain structures. Very fast substructure searching. Results link to data about these structures. Searching for chemical names and synonyms. F |
| 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. |
| ESIS__European_chemical_Substances_Information_System Provides information on chemicals, related to: EINECS, ELINCS, HPVCs & LPVCs, Classification and Labeling, IUCLID Chemical Data Sheets, Risk Assessment. |
| 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 dedi |
| 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. |
| 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. |
| 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. |
| 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 Database of organic chemistry compounds, organized by species. Contains chemical and physical property data on over 30,000 compounds. |
