ChemIDplus is a web-based search system that provides access to structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases. It also provides structure searching and direct links to many biomedical resources at NLM and on the Internet for chemicals of interest.

Prefix

chemidplus

Alternative Prefixes

ChemIDplus

Keywords

biomedical science chemistry molecules structure

Links

Homepage

Contact

Missing Contact

Pattern for Local Unique Identifiers

Local identifiers in ChemIDplus should match this regular expression:
^\d+\-\d+\-\d+$

Example Local Unique Identifier

57-27-2   Resolve

Pattern for CURIES

Compact URIs (CURIEs) constructed from ChemIDplus should match this regular expression:
^chemidplus:\d+\-\d+\-\d+$

Example CURIE

chemidplus:57-27-2

Publications

• 2002 ChemIDplus-super source for chemical and drug information
• ChemIDplus-super source for chemical and drug information.

A summary of the relations in the Bioregistry schema can be found here.

In Collection

ChEBI Data Sources

The metaregistry provides mappings between the Bioregistry and other registries. There are 7 mappings to external registries for this resource with 4 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 57-27-2 is used to demonstrate the providers available for ChemIDplus. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Additional providers curated in the Bioregistry are listed here. These are typically inherited from Identifiers.org or Prefix Commons, and need extra curation.