| Provider Name | Provider Code | URI |
|---|---|---|
| PubChem-substance | pubchem.substance |
https://pubchem.ncbi.nlm.nih.gov/substance/100101 |
| PubChem-substance (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 |