identifier for a chemical compound per EINECS or ELINCS

Prefix
ecn
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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
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 Bioregistry and other registries. There are 2 mappings to external registries for ecn with 2 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
Chemical Information Ontology cheminf 000447
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