As of 2022-03-07, the Wikidata property Reaxys registry number (P1579) is used on 19,216 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 19,193
 0.0002
P235 InChIKey 19,137
 0.0146
P683 ChEBI ID 19,061
 0.1765
P233 canonical SMILES 18,965
 0.0215
P234 InChI 18,903
 0.0145
P662 PubChem CID 18,836
 0.0196
P274 chemical formula 18,833
 0.0180
P2067 mass 18,736
 0.0559
P661 ChemSpider ID 18,573
 0.1482
P231 CAS Registry Number 13,912
 0.0147
P2017 isomeric SMILES 11,081
 0.0302
P3117 DSSTox substance ID 10,409
 0.0121
P8494 DSSTOX compound identifier 10,331
 0.0121
P592 ChEMBL ID 8,991
 0.1487
P652 UNII 7,541
 0.0944
P703 found in taxon 7,485
 0.0029
P2566 ECHA InfoCard ID 7,126
 0.1054
P232 EC number 7,120
 0.1053
P665 KEGG ID 6,259
 0.1901
P117 chemical structure 4,764
 0.1560
P646 Freebase ID 4,660
 0.0011
P6366 Microsoft Academic ID 4,462
 0.0157
P2840 NSC number 4,248
 0.0336
P4964 SPLASH 4,009
 0.1745
P2057 Human Metabolome Database ID 3,245
 0.1466
P6689 MassBank accession ID 3,209
 0.1190
P715 DrugBank ID 3,163
 0.1119
P7049 AICS Chemical ID (former scheme) 3,118
 0.0959
P3636 PDB ligand ID 3,005
 0.0783
P2063 LIPID MAPS ID 2,911
 0.0725
P486 MeSH descriptor ID 2,817
 0.0528
P3345 RxNorm ID 2,531
 0.0977
P2868 subject has role 2,481
 0.0069
P638 PDB structure ID 2,464
 0.0567
P2062 HSDB ID 2,301
 0.1016
P10283 OpenAlex ID 2,258
 0.0193
P373 Commons category 2,083
 0.0006
P2064 KNApSAcK ID 1,933
 0.0897
P361 part of 1,910
 0.0006
P1578 Gmelin number 1,903
 0.0932
P679 ZVG number 1,896
 0.0775
P595 Guide to Pharmacology Ligand ID 1,712
 0.0689
P2101 melting point 1,696
 0.0348
P279 subclass of 1,646
 0.0006
P2115 NDF-RT ID 1,615
 0.0776
P527 has part or parts 1,508
 0.0022
P2275 World Health Organisation international non-proprietary name 1,457
 0.0726
P2892 UMLS CUI 1,436
 0.0338
P267 ATC code 1,354
 0.0627
P4168 IEDB Epitope ID 1,341
 0.0639

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P665 KEGG ID 6,259
 0.1901
P683 ChEBI ID 19,061
 0.1765
P4964 SPLASH 4,009
 0.1745
P117 chemical structure 4,764
 0.1560
P592 ChEMBL ID 8,991
 0.1487
P661 ChemSpider ID 18,573
 0.1482
P2057 Human Metabolome Database ID 3,245
 0.1466
P6689 MassBank accession ID 3,209
 0.1190
P715 DrugBank ID 3,163
 0.1119
P2566 ECHA InfoCard ID 7,126
 0.1054
P232 EC number 7,120
 0.1053
P2062 HSDB ID 2,301
 0.1016
P3345 RxNorm ID 2,531
 0.0977
P7049 AICS Chemical ID (former scheme) 3,118
 0.0959
P652 UNII 7,541
 0.0944
P1578 Gmelin number 1,903
 0.0932
P2064 KNApSAcK ID 1,933
 0.0897
P3636 PDB ligand ID 3,005
 0.0783
P2115 NDF-RT ID 1,615
 0.0776
P679 ZVG number 1,896
 0.0775
P2275 World Health Organisation international non-proprietary name 1,457
 0.0726
P2063 LIPID MAPS ID 2,911
 0.0725
P595 Guide to Pharmacology Ligand ID 1,712
 0.0689
P4168 IEDB Epitope ID 1,341
 0.0639
P267 ATC code 1,354
 0.0627
P638 PDB structure ID 2,464
 0.0567
P2067 mass 18,736
 0.0559
P486 MeSH descriptor ID 2,817
 0.0528
P2175 medical condition treated 994
 0.0490
P3073 CosIng number 1,121
 0.0484
P657 RTECS number 875
 0.0436
P7025 HCIS ID 942
 0.0429
P5220 ICSC ID 780
 0.0388
P5076 Römpp online ID 743
 0.0371
P129 physically interacts with 768
 0.0361
P8224 molecular model or crystal lattice model 726
 0.0360
P2101 melting point 1,696
 0.0348
P3780 active ingredient in 692
 0.0348
P10245 MedlinePlus drug identifier 678
 0.0341
P2892 UMLS CUI 1,436
 0.0338
P2840 NSC number 4,248
 0.0336
P3489 pregnancy category 644
 0.0327
P4952 safety classification and labelling 637
 0.0319
P8121 UM-BBD compound ID 622
 0.0319
P2017 isomeric SMILES 11,081
 0.0302
P4250 defined daily dose 550
 0.0281
P9066 FL number 523
 0.0248
P6694 MeSH concept ID 469
 0.0240
P2054 density 479
 0.0237
P233 canonical SMILES 18,965
 0.0215