Includes descriptive and numerical data on the chemical, physical and biological properties of compounds; systematic and common names of compounds; literature references; structure diagrams and their associated connection tables. CCD online includes: organic compounds (269,000 records); natural products (178,000 records); inorganic and organometallic compounds (103,000 records); drugs (44,000 records); and analytical reagents (14,000 records). Can search by properties and chemical substructure.

• Combined Chemical Dictionary