FDB MedKnowledge encompasses medications approved by the U.S. Food and Drug Administration, and information on commonly-used over-the-counter and alternative therapy agents such as herbals, nutraceuticals and dietary supplements.

Prefix

nddf

Keywords

biomedical science chemical entity drug medicinal chemistry ontology

Version

2025_08_13

License

https://uts.nlm.nih.gov/uts/assets/LicenseAgreement.pdf

Links

Homepage

Pattern for Local Unique Identifiers

Local unique identifiers in National Drug Data File should match this regular expression:
^\d{6}$

Example Local Unique Identifier

002678   Resolve

Pattern for CURIES

Compact URIs (CURIEs) constructed from National Drug Data File should match this regular expression:
^nddf:\d{6}$

Example CURIE

nddf:002678

Contact

Julie Suko

Group Contact

Mailing List

Contributor

creator Charles Tapley Hoyt   0000-0003-4423-4370   cthoyt

Mappings from records in Bioregistry to external registries comprises the metaregistry. This resource has 4 mappings to external registries with 3 unique external prefixes.

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier 002678 is used to demonstrate the providers available for National Drug Data File. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.