As of 2022-03-07, the Wikidata property Nikkaji ID (P2085) is used on 601 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
P235 InChIKey 587
 0.0004
P662 PubChem CID 583
 0.0006
P234 InChI 583
 0.0004
P231 CAS Registry Number 552
 0.0006
P661 ChemSpider ID 539
 0.0043
P3117 DSSTox substance ID 443
 0.0005
P8494 DSSTOX compound identifier 439
 0.0005
P646 Freebase ID 413
 0.0001
P6366 Microsoft Academic ID 392
 0.0015
P683 ChEBI ID 369
 0.0034
P232 EC number 367
 0.0066
P2566 ECHA InfoCard ID 366
 0.0066
P652 UNII 362
 0.0053
P592 ChEMBL ID 329
 0.0065
P1579 Reaxys registry number 281
 0.0144
P665 KEGG ID 268
 0.0132
P2840 NSC number 231
 0.0021
P4964 SPLASH 225
 0.0276
P10283 OpenAlex ID 210
 0.0021
P486 MeSH descriptor ID 201
 0.0054
P6689 MassBank accession ID 187
 0.0164
P7049 AICS Chemical ID (former scheme) 181
 0.0107
P2064 KNApSAcK ID 160
 0.0340
P2057 Human Metabolome Database ID 155
 0.0234
P3636 PDB ligand ID 151
 0.0067
P715 DrugBank ID 147
 0.0116
P2062 HSDB ID 127
 0.0205
P3073 CosIng number 118
 0.0212
P638 PDB structure ID 118
 0.0043
P3345 RxNorm ID 112
 0.0115
P679 ZVG number 109
 0.0143
P2063 LIPID MAPS ID 106
 0.0044
P657 RTECS number 83
 0.0373
P1578 Gmelin number 82
 0.0226
P595 Guide to Pharmacology Ligand ID 82
 0.0104
P1417 Encyclopædia Britannica Online ID 78
 0.0005
P5076 Römpp online ID 75
 0.0362
P8408 KBpedia ID 60
 0.0016
P227 GND ID 60
 0.0000
P2115 NDF-RT ID 56
 0.0149
P672 MeSH tree code 55
 0.0032
P4168 IEDB Epitope ID 52
 0.0142
P2004 NALT ID 50
 0.0070
P8072 CAB ID 50
 0.0008
P1296 Gran Enciclopèdia Catalana ID 50
 0.0004
P244 Library of Congress authority ID 49
 0.0000
P5220 ICSC ID 46
 0.0209
P3417 Quora topic ID 45
 0.0002
P2892 UMLS CUI 44
 0.0017
P2671 Google Knowledge Graph ID 41
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P5234 SpectraBase compound ID 31
 0.0503
P657 RTECS number 83
 0.0373
P5076 Römpp online ID 75
 0.0362
P2064 KNApSAcK ID 160
 0.0340
P4964 SPLASH 225
 0.0276
P2057 Human Metabolome Database ID 155
 0.0234
P1578 Gmelin number 82
 0.0226
P3073 CosIng number 118
 0.0212
P5220 ICSC ID 46
 0.0209
P2062 HSDB ID 127
 0.0205
P8121 UM-BBD compound ID 28
 0.0186
P695 UN number 20
 0.0184
P6689 MassBank accession ID 187
 0.0164
P628 E number 19
 0.0163
P1820 Open Food Facts food additive ID 14
 0.0150
P2115 NDF-RT ID 56
 0.0149
P1579 Reaxys registry number 281
 0.0144
P679 ZVG number 109
 0.0143
P4168 IEDB Epitope ID 52
 0.0142
P2877 SureChEMBL ID 9
 0.0141
P2084 ZINC ID 9
 0.0135
P665 KEGG ID 268
 0.0132
P9066 FL number 37
 0.0125
P715 DrugBank ID 147
 0.0116
P3345 RxNorm ID 112
 0.0115
P7049 AICS Chemical ID (former scheme) 181
 0.0107
P6852 CCDC Number 7
 0.0105
P595 Guide to Pharmacology Ligand ID 82
 0.0104
P9557 JECFA number 22
 0.0102
P6694 MeSH concept ID 14
 0.0099
P267 ATC code 37
 0.0086
P7025 HCIS ID 36
 0.0085
P7524 CA PROP 65 ID 12
 0.0084
P8491 AHECC 2017 ID 6
 0.0080
P700 Kemler code 5
 0.0077
P9635 electronic Essential Medicines List medicine ID 6
 0.0071
P2004 NALT ID 50
 0.0070
P4852 JECFA database ID 8
 0.0069
P3636 PDB ligand ID 151
 0.0067
P232 EC number 367
 0.0066
P2566 ECHA InfoCard ID 366
 0.0066
P592 ChEMBL ID 329
 0.0065
P5930 Open Food Facts ingredient ID 10
 0.0063
P2167 UNSPSC Code 12
 0.0063
P4842 ASHRAE refrigerant number 4
 0.0061
P9272 DeCS ID 14
 0.0061
P3471 WikiSkripta ID 16
 0.0055
P486 MeSH descriptor ID 201
 0.0054
P652 UNII 362
 0.0053
P4235 PatientsLikeMe treatment ID 9
 0.0051