Database URL: http://www.fda.gov/cder/ndc/database/Default.htm
Description: The current edition of the NDC Directory is limited to prescription drugs and insulin products that have been manufactured, prepared, propagated, compounded, or processed by registered establishments for commercial distribution. The products have been listed in accordance with the Drug Listing Act and regulatory provisions concerning the submission of drug product information to FDA.
Access: Available freely on the Internet
Provider: U.S. Food and Drug Administration