PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative. PubChem Substance archives chemical substance records.

Prefix
pubchem.substance
Alternative Prefixes
DSSTox_Generic_SID
Keywords
protein small molecule structure
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in PubChem Substance ID (SID) should match this regular expression:
^\d+$

Example Local Unique Identifier
100101   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from PubChem Substance ID (SID) should match this regular expression:
^pubchem\.substance:\d+$

Example CURIE
pubchem.substance:100101
Publications
2006 Database resources of the National Center for Biotechnology Information
Ontology

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

Part Of (bfo:0000050 )
pubchem
Metaregistry PubChem Substance ID (SID)

The metaregistry provides mappings between the Bioregistry and other registries. There are 9 mappings to external registries for this resource with 6 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
BioContext biocontext PUBCHEM.SUBSTANCE
CHEMINF cheminf 000141
GO Gene Ontology Registry logo go PubChem_Substance
Integbio Integbio logo integbio nbdc00642
Identifiers.org Identifiers.org logo miriam pubchem.substance
N2T Name-to-Thing logo n2t pubchem.substance
Prefix Commons Prefix Commons logo prefixcommons pubchem.substance
TogoID togoid PubchemSubstance
Wikidata Wikidata Property logo wikidata P2153
RDF Information

When using this resource in RDF, the following URI format should be used:

http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID$1

Providers

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 100101 is used to demonstrate the providers available for PubChem Substance ID (SID). A guide for curating additional providers can be found here.

Name Metaprefix URI
PubChem Substance ID (SID) pubchem.substance https://pubchem.ncbi.nlm.nih.gov/substance/100101
PubChem Substance ID (SID) (RDF) rdf http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID100101
Bioregistry bioregistry https://bioregistry.io/pubchem.substance:100101
Identifiers.org miriam https://identifiers.org/pubchem.substance:100101
Name-to-Thing n2t https://n2t.net/pubchem.substance:100101
Extra Providers

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

Code Name URL
bio2rdf Bio2RDF http://bio2rdf.org/pubchem.substance:100101