identifier for a chemical compound per EINECS or ELINCS

Prefix
ecn
Links
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Pattern for Local Unique Identifiers

Local identifiers in EC number should match this regular expression:
^\d{3}-\d{3}-\d$

Example Local Unique Identifier
200-003-9   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from EC number should match this regular expression:
^ecn:\d{3}-\d{3}-\d$

Example CURIE
ecn:200-003-9
References
Contributors
Metaregistry EC number

The metaregistry provides mappings between the Semantic Farm and other registries. There are 2 mappings to external registries for this resource with 2 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
CHEMINF cheminf 000447
Wikidata Wikidata Property logo wikidata P232
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 200-003-9 is used to demonstrate the providers available for EC number. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Name Metaprefix URI
EC number ecn https://www.echa.europa.eu/information-on-chemicals/ec-inventory/-/dislist/details/200-003-9
Bioregistry bioregistry https://bioregistry.io/ecn:200-003-9