The PubChem Classification Browser allows you to browse the distribution of PubChem data among nodes in the hierarchy of interest, thereby providing an aggregate view of PubChem data. It also allows you to search for PubChem records annotated with the desired hierarchy/term, providing a powerful way to quickly find the subset of PubChem records.

Prefix
pubchem.classification
Keywords
chemistry
Links
Homepage @pubchem
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in PubChem Classification should match this regular expression:
^\d+$

Example Local Unique Identifier
87   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from PubChem Classification should match this regular expression:
^pubchem\.classification:\d+$

Example CURIE
pubchem.classification:87
Contributors
Ontology

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

Part Of (bfo:0000050 )
pubchem
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE pubchem.classification:87 is used to demonstrate the provides available for this resource. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
PubChem Classification pubchem.classification https://pubchem.ncbi.nlm.nih.gov/classification/#hid=87
Bioregistry bioregistry https://bioregistry.io/pubchem.classification:87