As of 2022-03-07, the Wikidata property Kemler code (P700) is used on 50 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
P646 Freebase ID 48
 0.0000
P6366 Microsoft Academic ID 46
 0.0002
P231 CAS Registry Number 46
 0.0000
P695 UN number 44
 0.0863
P232 EC number 43
 0.0008
P679 ZVG number 42
 0.0059
P3117 DSSTox substance ID 42
 0.0000
P662 PubChem CID 42
 0.0000
P234 InChI 42
 0.0000
P235 InChIKey 42
 0.0000
P2566 ECHA InfoCard ID 41
 0.0007
P652 UNII 41
 0.0006
P661 ChemSpider ID 41
 0.0003
P8494 DSSTOX compound identifier 40
 0.0000
P7049 AICS Chemical ID (former scheme) 39
 0.0024
P2062 HSDB ID 36
 0.0063
P683 ChEBI ID 32
 0.0003
P5220 ICSC ID 31
 0.0186
P657 RTECS number 31
 0.0180
P7025 HCIS ID 28
 0.0075
P10283 OpenAlex ID 28
 0.0003
P1579 Reaxys registry number 27
 0.0014
P227 GND ID 25
 0.0000
P592 ChEMBL ID 24
 0.0005
P1417 Encyclopædia Britannica Online ID 24
 0.0001
P2840 NSC number 21
 0.0002
P244 Library of Congress authority ID 21
 0.0000
P1578 Gmelin number 20
 0.0064
P6689 MassBank accession ID 19
 0.0017
P665 KEGG ID 19
 0.0010
P4964 SPLASH 18
 0.0023
P3345 RxNorm ID 18
 0.0019
P486 MeSH descriptor ID 18
 0.0005
P8408 KBpedia ID 17
 0.0004
P508 BNCF Thesaurus ID 16
 0.0010
P1296 Gran Enciclopèdia Catalana ID 16
 0.0001
P3417 Quora topic ID 16
 0.0001
P3636 PDB ligand ID 15
 0.0007
P638 PDB structure ID 14
 0.0005
P5076 Römpp online ID 13
 0.0082
P3827 JSTOR topic ID 13
 0.0005
P349 National Diet Library ID 13
 0.0001
P8189 National Library of Israel J9U ID 13
 0.0001
P2924 Great Russian Encyclopedia Online ID 12
 0.0002
P2115 NDF-RT ID 11
 0.0034
P3073 CosIng number 11
 0.0021
P1014 Art & Architecture Thesaurus ID 11
 0.0005
P4342 Store norske leksikon ID 11
 0.0001
P268 Bibliothèque nationale de France ID 11
 0.0000
P2057 Human Metabolome Database ID 10
 0.0016

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P695 UN number 44
 0.0863
P5219 BMRB ID 3
 0.0234
P8491 AHECC 2017 ID 4
 0.0196
P2796 3DMet ID 1
 0.0192
P5220 ICSC ID 31
 0.0186
P657 RTECS number 31
 0.0180
P6852 CCDC Number 2
 0.0165
P2072 CDB Chemical ID 1
 0.0156
P5234 SpectraBase compound ID 1
 0.0105
P4842 ASHRAE refrigerant number 1
 0.0093
P8121 UM-BBD compound ID 9
 0.0092
P5076 Römpp online ID 13
 0.0082
P2084 ZINC ID 1
 0.0081
P7524 CA PROP 65 ID 7
 0.0080
P2085 Nikkaji ID 5
 0.0077
P7025 HCIS ID 28
 0.0075
P4852 JECFA database ID 4
 0.0066
P1578 Gmelin number 20
 0.0064
P2062 HSDB ID 36
 0.0063
P679 ZVG number 42
 0.0059
P2167 UNSPSC Code 7
 0.0051
P1820 Open Food Facts food additive ID 2
 0.0051
P5417 Common Procurement Vocabulary 2
 0.0047
P2115 NDF-RT ID 11
 0.0034
P628 E number 2
 0.0032
P10077 Spanish Cultural Heritage thesauri ID 6
 0.0031
P9765 Great Ukrainian Encyclopedia Online ID 1
 0.0031
P9557 JECFA number 5
 0.0031
P5930 Open Food Facts ingredient ID 3
 0.0029
P5429 IPTC NewsCode 2
 0.0024
P7049 AICS Chemical ID (former scheme) 39
 0.0024
P4964 SPLASH 18
 0.0023
P6694 MeSH concept ID 2
 0.0023
P3073 CosIng number 11
 0.0021
P3911 STW Thesaurus for Economics ID 5
 0.0020
P3345 RxNorm ID 18
 0.0019
P920 LEM ID 1
 0.0018
P8248 Colon Classification 3
 0.0017
P6689 MassBank accession ID 19
 0.0017
P9066 FL number 4
 0.0016
P2057 Human Metabolome Database ID 10
 0.0016
P267 ATC code 6
 0.0016
P1051 PSH ID 9
 0.0015
P1579 Reaxys registry number 27
 0.0014
P3612 Le Monde diplomatique subject ID 1
 0.0014
P2004 NALT ID 9
 0.0014
P5437 EuroVoc ID 4
 0.0013
P5160 Thesaurus for Graphic Materials ID 1
 0.0012
P8061 AGROVOC ID 2
 0.0011
P7822 Italian Vikidia ID 1
 0.0011