What is <CAS Registry Number> of <calcium chloride> ?
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Which is the CAS Registry Number for calcium chloride?
SELECT DISTINCT ?r WHERE { resource:calcium_chloride property:CAS_Registry_Number ?r }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q208451> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P231> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q208451 wdt:P231 ?answer}
10043-52-4