chemical formula

description of chemical compound giving element symbols and counts

Wikidata entity: P274



P3709 category for value different from Wikidata ... Q20636209 (???) ???
P3713 category for value not in Wikidata ... Q20636201 (Category:Chemical formula not in Wikidata, but available on Wikipedia) Category:Chemical formula not in Wikidata, but available on Wikipedia
P3734 category for value same as Wikidata ... Q28046688 (???) ???
P1628 equivalent property Url None ???
P1793 format as a regular expression String ([αβγδφωλμπ]-)?([([]*[A-Z☐][ub]?[a-z]?[₁₂₃₄₅₆₇₈₉₀.]*(\)?[¹²³⁴⁵⁶⁷⁸⁹⁰]*[⁺⁻]?)?[\])|,₁₂₃₄₅₆₇₈₉₀]*(·\(?[-0-9.]*n?\)?)?)+ ???
P31 instance of ... Q21294996 (Wikidata property related to chemistry) Wikidata property related to chemistry
P31 instance of ... Q21099935 (Wikidata property with datatype string that is not an external identifier) Wikidata property with datatype string that is not an external identifier
P6104 maintained by WikiProject ... Q8487234 (WikiProject Chemistry) WikiProject Chemistry
P2302 property constraint ... Q19474404 (single-value constraint) single-value constraint
P2302 property constraint ... Q21502404 (format constraint) format constraint
P2302 property constraint ... Q21502838 (conflicts-with constraint) conflicts-with constraint
P2302 property constraint ... Q52004125 (allowed-entity-types constraint) allowed-entity-types constraint
P2302 property constraint ... Q53869507 (property scope constraint) property scope constraint
P2875 property usage tracking category ... Q20636211 (Category:Pages using Wikidata property P274) Category:Pages using Wikidata property P274
P1659 related property ... P1673 (general formula) general formula
P2668 stability of property value ... Q23611288 (never changes) never changes
P1629 Wikidata item of this property ... Q83147 (chemical formula) chemical formula
P1855 Wikidata property example ... Q283 (water) water
P1855 Wikidata property example ... Q1997 (carbon dioxide) carbon dioxide
P1855 Wikidata property example ... Q151313 (ethylene) ethylene

External Ids
P10787FactGrid property IDP954

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