As of 2022-03-07, the Wikidata property COD ID (P9824) is used on 3 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P2566 ECHA InfoCard ID 3
 0.0001
P232 EC number 3
 0.0001
P661 ChemSpider ID 3
 0.0000
P8494 DSSTOX compound identifier 3
 0.0000
P3117 DSSTox substance ID 3
 0.0000
P231 CAS Registry Number 3
 0.0000
P234 InChI 3
 0.0000
P235 InChIKey 3
 0.0000
P3345 RxNorm ID 2
 0.0002
P7049 AICS Chemical ID (former scheme) 2
 0.0001
P652 UNII 2
 0.0000
P2840 NSC number 2
 0.0000
P6366 Microsoft Academic ID 2
 0.0000
P646 Freebase ID 2
 0.0000
P8491 AHECC 2017 ID 1
 0.0063
P695 UN number 1
 0.0020
P7524 CA PROP 65 ID 1
 0.0012
P5076 Römpp online ID 1
 0.0006
P5220 ICSC ID 1
 0.0006
P657 RTECS number 1
 0.0006
P2115 NDF-RT ID 1
 0.0003
P7025 HCIS ID 1
 0.0003
P2062 HSDB ID 1
 0.0002
P679 ZVG number 1
 0.0001
P4964 SPLASH 1
 0.0001
P1014 Art & Architecture Thesaurus ID 1
 0.0000
P2892 UMLS CUI 1
 0.0000
P8408 KBpedia ID 1
 0.0000
P592 ChEMBL ID 1
 0.0000
P10283 OpenAlex ID 1
 0.0000
P1417 Encyclopædia Britannica Online ID 1
 0.0000
P662 PubChem CID 1
 0.0000
P227 GND ID 1
 0.0000
P244 Library of Congress authority ID 1
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8491 AHECC 2017 ID 1
 0.0063
P695 UN number 1
 0.0020
P7524 CA PROP 65 ID 1
 0.0012
P5076 Römpp online ID 1
 0.0006
P5220 ICSC ID 1
 0.0006
P657 RTECS number 1
 0.0006
P2115 NDF-RT ID 1
 0.0003
P7025 HCIS ID 1
 0.0003
P3345 RxNorm ID 2
 0.0002
P2062 HSDB ID 1
 0.0002
P679 ZVG number 1
 0.0001
P4964 SPLASH 1
 0.0001
P7049 AICS Chemical ID (former scheme) 2
 0.0001
P2566 ECHA InfoCard ID 3
 0.0001
P232 EC number 3
 0.0001
P1014 Art & Architecture Thesaurus ID 1
 0.0000
P2892 UMLS CUI 1
 0.0000
P652 UNII 2
 0.0000
P8408 KBpedia ID 1
 0.0000
P661 ChemSpider ID 3
 0.0000
P592 ChEMBL ID 1
 0.0000
P2840 NSC number 2
 0.0000
P10283 OpenAlex ID 1
 0.0000
P6366 Microsoft Academic ID 2
 0.0000
P1417 Encyclopædia Britannica Online ID 1
 0.0000
P8494 DSSTOX compound identifier 3
 0.0000
P3117 DSSTox substance ID 3
 0.0000
P231 CAS Registry Number 3
 0.0000
P234 InChI 3
 0.0000
P235 InChIKey 3
 0.0000
P662 PubChem CID 1
 0.0000
P227 GND ID 1
 0.0000
P244 Library of Congress authority ID 1
 0.0000
P646 Freebase ID 2
 0.0000