Contains frequently used data in science and is the first place to look for chemical and physical property information on inorganic and organic compounds. Updated yearly.
Authoritative and reliable source of key physical, pharmacological and historical information on chemicals, drugs and biologicals. Guide to abbreviations used in the Merck.
A compilation of websites with useful data resources. Created and maintained by the Division of Organic Chemistry within the American Chemical Society.
Physical property and biological activity information for small molecules provided by the National Center for Biotechnology Information.
Tip: From the Compound Summary for a substance, choose section 3 Chemical and Physical Properties from the Table of Contents. Then scroll to section 3.2 Experimental Properties.
Tip: The CAS Number is provided in section 2.3.1 of the Compound Summary.