| Provider Name | Provider Code | URI |
|---|---|---|
| European Registry of Materials | erm |
https://nanocommons.github.io/identifiers/registry#ERM00000044 |
| Bioregistry | bioregistry |
https://bioregistry.io/erm:ERM00000044 |
| Identifiers.org | miriam |
https://identifiers.org/erm:ERM00000044 |
| Name-to-Thing | n2t |
https://n2t.net/erm:ERM00000044 |