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
P31 instance of 600
 0.0000
P235 InChIKey 587
 0.0004
P233 canonical SMILES 586
 0.0007
P662 PubChem CID 583
 0.0006
P234 InChI 583
 0.0004
P231 CAS Registry Number 552
 0.0006
P661 ChemSpider ID 539
 0.0043
P274 chemical formula 509
 0.0005
P117 chemical structure 446
 0.0275
P3117 DSSTox substance ID 443
 0.0005
P8494 DSSTOX compound identifier 439
 0.0005
P2067 mass 432
 0.0013
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
P703 found in taxon 353
 0.0001
P592 ChEMBL ID 329
 0.0065
P2017 isomeric SMILES 303
 0.0008
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
P373 Commons category 198
 0.0001
P6689 MassBank accession ID 187
 0.0164
P7049 AICS Chemical ID (former scheme) 181
 0.0107
P527 has part or parts 178
 0.0003
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
P2868 subject has role 128
 0.0004
P2062 HSDB ID 127
 0.0205
P3073 CosIng number 118
 0.0212
P638 PDB structure ID 118
 0.0043
P2101 melting point 114
 0.0036
P3345 RxNorm ID 112
 0.0115
P679 ZVG number 109
 0.0143
P2063 LIPID MAPS ID 106
 0.0044
P361 part of 103
 0.0000
P279 subclass of 98
 0.0000
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
P1343 described by source 78
 0.0001

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
P117 chemical structure 446
 0.0275
P4952 safety classification and labelling 53
 0.0271
P2057 Human Metabolome Database ID 155
 0.0234
P8224 molecular model or crystal lattice model 51
 0.0227
P1578 Gmelin number 82
 0.0226
P2054 density 45
 0.0219
P3073 CosIng number 118
 0.0212
P2128 flash point 21
 0.0211
P5220 ICSC ID 46
 0.0209
P2062 HSDB ID 127
 0.0205
P2177 solubility 19
 0.0191
P1117 pKa 15
 0.0189
P2102 boiling point 28
 0.0188
P8121 UM-BBD compound ID 28
 0.0186
P695 UN number 20
 0.0184
P4149 conjugate base 17
 0.0182
P2119 vapor pressure 21
 0.0173
P2404 time-weighted average exposure limit 19
 0.0165
P6689 MassBank accession ID 187
 0.0164
P3364 stereoisomer of 26
 0.0164
P628 E number 19
 0.0163
P2107 decomposition point 13
 0.0161
P1931 NIOSH Pocket Guide ID 20
 0.0154
P2129 immediately dangerous to life or health 15
 0.0153
P1820 Open Food Facts food additive ID 14
 0.0150
P2115 NDF-RT ID 56
 0.0149
P2260 ionization energy 13
 0.0147
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
P129 physically interacts with 43
 0.0127
P9066 FL number 37
 0.0125
P715 DrugBank ID 147
 0.0116
P6272 specific rotation 7
 0.0116
P3345 RxNorm ID 112
 0.0115
P1987 MCN code 15
 0.0115
P7049 AICS Chemical ID (former scheme) 181
 0.0107
P1109 refractive index 8
 0.0105
P6852 CCDC Number 7
 0.0105
P595 Guide to Pharmacology Ligand ID 82
 0.0104
P9557 JECFA number 22
 0.0102
P6185 tautomer of 15
 0.0100