Top 22 alternative sites to cas.org
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
Other sites like cas org
chemBlink Database of Chemicals from Around the World
chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, molecular formulas and structures, chemical and physical properties, safety data, suppliers and their web addresses.