Information pertaining to substances in CAS REGISTRY has been enriched with experimental and predicted property data with more than 7.6 billion property values, data tags, and spectra:

  Experimental Predicted
Properties 4.5 million (for 3.0 million substances) 7.6 billion (for 113.3 million substances)
Spectra 1.4 million (for 983,000 substances) 1.4 million (for 983,000 substances) 108.7 million 13C-NMR and 108.7 million 1H-NMR (available in SciFinder)
Data Tags 12.1 million (for 3.7 million substances) N/A