Property talk:P4849

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International Numbering System number
unique identifier of a food additive in the International Numbering System

Data type	External identifier
Domain	food additive (Q189567)
Allowed values	\d{3-4}[a-z]?(\([ivx]{1-4}\))?
Example	citric acid (Q159683) → 330 turmeric (Q20730193) → 100(ii) turmeric rhizome (Q48929903) → 100(ii)
See also	E number (P628), Open Food Facts food additive ID (P1820), JECFA database ID (P4852), JMPR database ID (P4853)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P4849 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 9 Main statement 6 66.7% of uses Qualifier 3 33.3% of uses
Search for values

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Type “food additive (Q189567)”: item must contain property “instance of (P31)” with classes “food additive (Q189567)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4849#Type Q189567, SPARQL

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4849#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4849#Unique value, SPARQL (every item), SPARQL (by value)

Format “\d{3-4}[a-z]?(\([ivx]{1-4}\))?”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4849#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4849#Entity types