Reaxys is a unique web-based chemistry database consisting of deeply excerpted compounds and related factual properties, reaction and synthesis information as well as bibliographic data, navigated and displayed via an actionable interface. Use it to access the combined wealth of trustworthy, experimental substance and reaction data and bibliographic data housed in the Beilstein, Gmelin and Patent Chemistry Databases.

SpringerMaterials is the largest resource for properties, figures and graphs in materials science, with over 500,000 online documents covering 3,000 properties across 250,000 materials and chemical systems.

Includes descriptive and numerical data on chemical, physical and biological properties of compounds; systematic and common names of compounds; literature references; structure diagrams and their associated connection tables. Contains all those compounds published in: Dictionary of organic compounds (200,000 records), Dictionary of natural products (120,000 records), Dictionary of inorganic and organometallic compounds (90,000 records), Dictionary of pharmacological agents (30,000 records), Dictionary of analytical reagents (14,000 records).