Property talk:P2072

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CDB Chemical ID
ID in UCI chemical database

Data type	External identifier
Domain	chemical compound (note: this should be moved to the property statements)
Allowed values	According to this template: number According to statements in the property: \d+ When possible, data should only be stored as statements
Example	3-methylpentane (Q223107) → 5320420 3-acetyl-1-propanol (Q9357475) → 6692143
Source	PubChem, ZINC (note: this information should be moved to a property statement; use property source website for the property (P1896))
Formatter URL	http://cdb.ics.uci.edu/cgibin/ChemicalDetailWeb.py?chemical_id=$1
Tracking: usage	Category:Pages using Wikidata property P2072 (Q47455014)
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/P2072 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 17 Main statement 15 88.2% of uses Qualifier 2 11.8% of uses
Search for values

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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/P2072#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/P2072#Unique value, SPARQL (every item), SPARQL (by value)

Format “\d+”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2072#Format, hourly updated report, 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/P2072#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (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/P2072#Scope, SPARQL

This property is being used by: ca:Plantilla:Identificadors química Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)