Chemical Abstracts Service (CAS) (Popularity:  )
World's largest and most comprehensive chemical database with over 21 million document records and 37 million substances listed.
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Chemcyclopedia Plus (Popularity: )
An annual supplement to Chemical & Engineering News (C&EN). Provides users/purchasers of chemicals with trade names, packaging, special shipping requirements, ...
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SPECS and BioSPECS B.V. (Popularity: )
Provider of chemical compound library's for HTS in vials or plates.
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MDLI Information Systems (Popularity: )
Provider of chemical structural databases and information management software to the chemical, agrochemical, and pharmaceutical industry.
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Hazardous Chemical Database (Popularity: )
Contains names, formulas and registry numbers for 1991 hazardous chemicals. This site was last updated in 1996.
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NIST Chemistry WebBook (Popularity: )
Database of organic chemistry compounds, organized by species. Contains chemical and physical property data on over 30,000 compounds.
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The ChemExper Chemicals Directory (Popularity: )
A catalog of 60000 fine chemicals searchable for free using a chemist-friendly search engine. Products are listed with physical data ...
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FTIRsearch.com (Popularity: )
Search a database of 87,000 FTIR and Raman spectra using text or full spectral comparison. JAVA required.
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Fydat - Physical Property Database (Popularity: )
Point properties and thermodynamic and transport properties of over 500 common organic compounds and gases. Program calculates mixture properties. Demo ...
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Indiana University Molecular Structure Center (Popularity: )
Small molecule database of structures that have primarily been determined using single crystal X-ray diffraction. Features JAVA applets that can ...
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Risk Management Internet Services - Chemical Databases (Popularity: )
MSDS, toxicology profiles, chemical health hazards, chemical labeling requirements, TLVs, government lists of hazardous substances, pesticide information, storage compatibility, and ...
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Analytical Science and Instruments Limited (Popularity: )
Providing information to the scientific community on all aspects of the analytical sciences in education, chemical suppliers, consultancies, instrumentation and ...
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Nanogen Index 2 (Popularity: )
Offers a book containing data on over 3000 pesticides and other environmental contaminants.
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CCINFOweb (Popularity: )
Web access to health and safety databases covering over 185000 chemical substances. Provided by Canadian Centre for Occupational Health (CCOHS). ...
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IUPAC Compendium of Chemical Terminology (Popularity: )
Also known as the IUPAC Gold Book. Searchable database of nearly 7000 IUPAC-approved definitions of chemical terms. IUPAC - The ...
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CML Reference Collection (Popularity: )
Commercial database of more than 120,000 3D molecular structures expressed in CML (Chemical Markup Language) format.
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DETHERM Thermophysical Properties (Popularity: )
Thermophysical properties of pure substances and mixtures. Phase equilibrium data, caloric data, critical data, transport properties, electrolyte data. Data sets ...
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ChemIDplus (Popularity: )
A free database of 350000 chemical compounds. Records consist of name, synonyms, CAS number, molecular formula, and direct links to ...
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NCI-3D Database (Popularity: )
A free database of more than 120000 substances with 2D and 3D information compiled from the National Cancer Institute. Searchable ...
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WebReactions - Organic Reaction Retrieval System (Popularity: )
Free reaction search system offering direct retrieval of reaction precedents. Search based on reaction types and bonding change.
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