Fundamental inorganic compounds, including the elements and their isotopes Organometallic compounds representing all important structural types Common minerals Important coordination compounds, including bioinorganics Compounds with an established use, such as catalysts, starting materials, analytical reagents, synthetic reagents, laboratory chemicals Other compounds of particular chemical, structural, biological or historical interestThe data provided includes: Accurate, systematic chemical names, trade names, and trivial names Searchable chemical structures CAS Registry numbers Molecular formulae, accurate mass and percent composition Physical data including description, melting/boiling points, optical rotation, solubility, dissociation constants, refractive index, selected spectroscopic data Details of synthesis, also mineral or biological source Uses including synthetic applications, important reactions, biological use Hazard and toxicity information including LD50 values Concise bibliography