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
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
Metaregistry

The metaregistry provides mappings between the Bioregistry and other registries. There are 3 mappings to external registries for chemidplus.

Registry Name Metaprefix External Prefix
Identifiers.org miriam chemidplus
Name-to-Thing n2t chemidplus
Prefix Commons prefixcommons CHEMIDPLUS
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE chemidplus:57-27-2 is used to demonstrate the provides available for chemidplus. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
ChemIDplus chemidplus https://chem.nlm.nih.gov/chemidplus/rn/57-27-2
Bioregistry bioregistry https://bioregistry.io/chemidplus:57-27-2
Identifiers.org miriam https://identifiers.org/chemidplus:57-27-2
Name-to-Thing n2t https://n2t.net/chemidplus:57-27-2