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    The Simple query form of the ChemFinder WebServer is designed to make it as easy as possible to locate common types of chemical information.You may enter a chemical name, formula, molecular weight, or CAS Registry Number. The ChemFinder WebServer will identify the type of search you want, and provide the hits accordingly. To view in ChemDraw or Chem3D the chemical structures of the compounds you find, you will need to download ChemDraw Plugin and Chem3D Plugin and use the Plugin version of the ChemFinder WebServer, which offers more precise control over search terms as well.


    Types of available information Product Information Documents are prepared by Technical service to supply useful product or lot-specific data, including detailed usage instructions, product properties or general information. They provide the most frequently requested information about a product or group of products. Methods provide detailed instructions for the testing of Sigma-Aldrich products. Applications provide detailed instructions for specific applications of Sigma-Aldrich products. Miscellaneous information collected in support of Sigma-Aldrich products.

    Organic Compounds Database.

    This 2483 compound database has been compiled by Harold M. Bell at Virginia Tech. Fill in the form below with as much information as you can. Leave the information blank if you don't know or you don't care. Click on the submit button to execute your search. You will receive at most 20 hits.

    Industrial Chemical List from Chemical land 21

    Functional Chemicals, Solvents and Alcohols , Organic Chemicals , Inorganic Chemicals,

    CAS, Chemical Abstracts Service Home Page

    Substance identification is a special strength of CAS, which is widely known for the CAS Chemical Registry, the largest substance identification system in existence. When a chemical substance is newly encountered in the literature processed by CAS, its molecular structure diagram, systematic chemical name, molecular formula, and other identifying information are added to the Registry and assigned a unique CAS Registry Number. Registry now contains records for more than 18 million organic and inorganic substances and more than 15 million sequences.

    Physical properties of gases, safety, MSDS, enthalpy, gas liquid equilibrium, density, viscosity, flammability, transport properties

    These tables give the physical properties of gases (nitrogen, carbon dioxide, argon, helium, hydrogen, air, oxygen, acetylene, methane, hydride, propane) in gaseous, supercritical and condensed phases (enthalpy, gas-liquid equilibrium, viscosity, density, flammability, transport properties, safety data, etc). Safe handling of the gas, applications and compatibility with materials (metals, polymers and plastics) are set out.

    Jinno Laboratory Research Infomation

    Liquid Chromatography Data Base Search


    MatWeb's database includes thermoplastic and thermoset polymers such as ABS, nylon, polycarbonate, polyester, and polyolefins; metals such as aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys; ceramics; plus a growing list of semiconductors, fibers, and other engineering materials.

    The Research Collaboratory for Structural Bioinformatics (RCSB)

    The RCSB PDB provides a variety of tools and resources for studying the structures of biological macromolecules and their relationships to sequence, function, and disease. The RCSB is a member of the wwPDB whose mission is to ensure that the PDB archive remains an international resource with uniform data. This site offers tools for browsing, searching, and reporting that utilize the data resulting from ongoing efforts to create a more consistent and comprehensive archive. Information about compatible browsers can be found here. A narrated tutorial illustrates how to search, navigate, browse, generate reports and visualize structures using this new site. [This requires the Macromedia Flash player download.]


    Dizionario chimico inglese - tedesco


    A free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics. Our database contains currently more than 70 000 chemicals, 16000 MSDS, 5000 IR spectra and more than 20 suppliers.

    NCI-3D Database

    Division of Specialized Information Services, NLM, NCI-3D Chemical Search Input Page

    ChemIDplus System

    Welcome to the ChemIDplus System at the National Library of Medicine!

    AIDSDRUGS Structures

    This is a table of substances referenced in the NLM AIDSDRUGS file. It will send a structural record in MDL molfile format when available if the RN is clicked. Use a Structure Viewer to display the structural diagram.

    FitoGest - motore di ricerca fitofarmaci e prodotti fitosanitari il portale dei prodotti fitosanitari e del loro corretto impiego per la difesa delle colture.

    Acronyms and Abbreviations of Chemical Compound Names

    An acronym is a word formed from the initial letters of the words of a compound term.

    Chemistry Science Dictionary German/English - English/German

    Italian Biotech Database

    On this site you have free access to a very comprehensive directory and information platform comprising data of Life Sciences and Biotechnology companies and institutes in Italy including company description, additional information and categorization. This database is sponsored by InvestInItaly.

    Mit Databases

    Vera: Databases & E-Journals: MIT Libraries