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2. List of chemical databases - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_databases

   chemical database small molecules "ChemDB". 5,000,000 ChemExper Chemexper Chemical Directory catalogue chemicals CASno Structure SMILES "ChemExper". Chemxpert Database Chemxpert Chemical Database small molecules database buyers,suppliers "ChemxpertDB". 10,00000 Chemical Book East West University: commercially available compounds

3. ChemSpider - Wikipedia

   en.wikipedia.org/wiki/ChemSpider

   ChemMantis, [14] the Chemistry Markup And Nomenclature Transformation Integrated System uses algorithms to identify and extract chemical names from documents and web pages and converts the chemical names to chemical structures using name-to-structure conversion algorithms and dictionary look-ups in the ChemSpider database. The result is an ...

4. Chemical database - Wikipedia

   en.wikipedia.org/wiki/Chemical_database

   Chemists can search databases using parts of structures, parts of their IUPAC names as well as based on constraints on properties. Chemical databases are different from other general purpose databases in their support for substructure search, a method to retrieve chemicals matching a pattern of atoms and bonds which a user specifies.

5. Wikipedia : WikiProject Chemicals/Data

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   Chemical Structures Database - 3D Structures of organic molecules with physical properties. This database is released under the BSD license . R&D Chemicals - Free compound search by chemical name, CAS Number, structure and substructure

6. PubChem - Wikipedia

   en.wikipedia.org/wiki/PubChem

   PubChem can be accessed for free through a web user interface. Millions of compound structures and descriptive datasets can be freely downloaded via FTP. PubChem contains multiple substance descriptions and small molecules with fewer than 100 atoms and 1,000 bonds. More than 80 database vendors contribute to the growing PubChem database. [2]

7. CompTox Chemicals Dashboard - Wikipedia

   en.wikipedia.org/wiki/CompTox_Chemicals_Dashboard

   The CompTox Chemicals Dashboard is a freely accessible online database created and maintained by the U.S. Environmental Protection Agency (EPA). The database provides access to multiple types of data including physicochemical properties, environmental fate and transport, exposure, usage, in vivo toxicity, and in vitro bioassay.