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
P235 InChIKey 19,137
 0.0146
P683 ChEBI ID 19,061
 0.1765
P234 InChI 18,903
 0.0145
P662 PubChem CID 18,836
 0.0196
P661 ChemSpider ID 18,573
 0.1482
P231 CAS Registry Number 13,912
 0.0147
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
P2566 ECHA InfoCard ID 7,126
 0.1054
P232 EC number 7,120
 0.1053
P665 KEGG ID 6,259
 0.1901
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
P638 PDB structure ID 2,464
 0.0567
P2062 HSDB ID 2,301
 0.1016
P10283 OpenAlex ID 2,258
 0.0193
P2064 KNApSAcK ID 1,933
 0.0897
P1578 Gmelin number 1,903
 0.0932
P679 ZVG number 1,896
 0.0775
P595 Guide to Pharmacology Ligand ID 1,712
 0.0689
P2115 NDF-RT ID 1,615
 0.0776
P2892 UMLS CUI 1,436
 0.0338
P267 ATC code 1,354
 0.0627
P4168 IEDB Epitope ID 1,341
 0.0639
P3073 CosIng number 1,121
 0.0484
P2671 Google Knowledge Graph ID 1,072
 0.0001
P7025 HCIS ID 942
 0.0429
P657 RTECS number 875
 0.0436
P8072 CAB ID 863
 0.0107
P1417 Encyclopædia Britannica Online ID 858
 0.0045
P5220 ICSC ID 780
 0.0388
P5076 Römpp online ID 743
 0.0371
P672 MeSH tree code 731
 0.0209
P10245 MedlinePlus drug identifier 678
 0.0341
P8121 UM-BBD compound ID 622
 0.0319
P8408 KBpedia ID 610
 0.0108
P1296 Gran Enciclopèdia Catalana ID 566
 0.0043
P9066 FL number 523
 0.0248

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
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
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
P486 MeSH descriptor ID 2,817
 0.0528
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
P10245 MedlinePlus drug identifier 678
 0.0341
P2892 UMLS CUI 1,436
 0.0338
P2840 NSC number 4,248
 0.0336
P8121 UM-BBD compound ID 622
 0.0319
P9066 FL number 523
 0.0248
P6694 MeSH concept ID 469
 0.0240
P7524 CA PROP 65 ID 420
 0.0214
P672 MeSH tree code 731
 0.0209
P7830 LiverTox ID 388
 0.0198
P662 PubChem CID 18,836
 0.0196
P10283 OpenAlex ID 2,258
 0.0193
P9557 JECFA number 381
 0.0187
P6366 Microsoft Academic ID 4,462
 0.0157
P9272 DeCS ID 313
 0.0152
P231 CAS Registry Number 13,912
 0.0147
P235 InChIKey 19,137
 0.0146
P234 InChI 18,903
 0.0145
P2085 Nikkaji ID 281
 0.0144
P695 UN number 260
 0.0134
P8691 SwissLipids identifier 475
 0.0131