Please enable JavaScript in your browser.  Search for a drug by a name such as Valium
Substance Registration System National Library of Medicine
Substance Registration System

Information available for 74,765 substances.

By Name/Code   By UNII


                               bullet UNII List download (updated Nov 12, 2015)



About, Contact Us, Copyright, Privacy, Accessibility
U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health, Health & Human Services
Freedom of Information Act
Last updated: Nov 2015

US Pharmacopeia