EC number

identifier for a chemical compound per EINECS or ELINCS

EC number is …
instance of (P31):
Wikidata property to identify substancesQ19833835
Wikidata property for an identifier having a checksumQ48710051

External links are
P1793format as a regular expression(\d{3}-){2}\d

P3709category for value different from WikidataCategory:P232 different on WikidataQ20636206
P3713category for value not in Wikidata???Q20636198
P3734category for value same as Wikidata???Q32085230
P10726class of non-item property valueEuropean Community numberQ201132
P17countryEuropean UnionQ458
P2302property constraintsingle-value constraintQ19474404
distinct-values constraintQ21502410
allowed qualifiers constraintQ21510851
property scope constraintQ53869507
format constraintQ21502404
allowed-entity-types constraintQ52004125
P2875property usage tracking categoryCategory:Pages using Wikidata property P232Q20636214
P1659related propertyFL numberP9066
JECFA numberP9557

Reverse relations

related property (P1659)
Q20636206Category:P232 different on Wikidata
Q20636214Category:Pages using Wikidata property P232
P9066FL number
P9557JECFA number
Q20636198Categoria:P232 assente su Wikidata
Q32085230Categoria:P232 uguale su Wikidata

properties for this type (P1963)
Q11173chemical compound
Q113145171type of chemical entity

Q201132European Community numberWikidata propertyP1687

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