With new, high-resolution spectra, improved molecular diversity, searchable structures and substructures, and chemical warfare precursors, the Wiley Registry of Mass Spectral Data, (TurboMass), 8th Edition is one of the most trusted and comprehensive mass spectral libraries available in the world. This edition of the Wiley Registry contains nearly 400,000 mass spectra, over 180,000 searchable structures, and over 2 million chemical names for detection, identification, and verification. Find the most complete coverage of pharmaceuticals, illegal drugs, poisons, pesticides, steroids, natural products, OPCW compounds, and metabolites.