CHEMnetBASE collects several key Chemistry databases and dictionaries in one place to provide information on chemical/physical properties, reactions, and equations. Users can search for material from individual resources or browse all of them at once. CHEMnetBASE allows searching by chemical name, synonym or brand name, molecular formula, CAS registry number, InChI (International Chemical Identifier), and SMILES (Simplified Molecular Input Line Entry System) structure. Click More to see individual titles.
ChemSpider is a free chemical structure database providing fast text and structure search access to over 100 million structures from hundreds of data sources. Search by systematic names, synonyms, trade names, registry numbers, SMILES (Simplified Molecular Input Line Entry System) structure, and InChl (International Chemical Identifier).
