As of 2019-07-08, the Wikidata property PubChem CID (P662) is used on 151,188 items.

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 150,206
0.9473
P234 InChI 147,977
0.9347
P661 ChemSpider ID 117,620
0.7505
P683 ChEBI ID 80,065
0.5136
P231 CAS Registry Number 66,934
0.4236
P652 UNII 56,074
0.3622
P592 ChEMBL ID 48,486
0.3183
P3117 DSSTOX substance identifier 37,849
0.2497
P232 EC number 29,129
0.1900
P2566 ECHA InfoCard ID 28,891
0.1885
P1579 Reaxys registry number 18,500
0.1220
P638 PDB structure ID 17,318
0.1079
P665 KEGG ID 14,593
0.0958
P6689 MassBank Accession ID 10,195
0.0674
P715 DrugBank ID 8,960
0.0589
P4964 SPLASH 7,698
0.0509
P646 Freebase ID 6,615
0.0047
P3345 RxNorm CUI 6,339
0.0412
P2063 LIPID MAPS ID 6,229
0.0411
P486 MeSH Descriptor ID 6,007
0.0349
P595 Guide to Pharmacology Ligand ID 5,766
0.0381
P679 ZVG number 5,613
0.0370
P2057 HMDB ID 5,595
0.0369
P2064 KNApSAcK ID 4,117
0.0272
P2115 NDF-RT ID 2,863
0.0189
P1578 Gmelin number 2,779
0.0183
P2892 UMLS CUI 2,470
0.0145
P4168 IEDB Epitope ID 2,392
0.0158
P267 ATC code 1,692
0.0112
P657 RTECS number 1,614
0.0107
P3636 PDB ligand ID 1,481
0.0098
P1417 Encyclopædia Britannica Online ID 1,365
0.0044
P5076 Römpp online ID 1,251
0.0083
P3417 Quora topic ID 815
0.0025
P227 GND ID 746
0.0008
P695 UN number 476
0.0031
P2085 Nikkaji ID 462
0.0031
P628 E number 354
0.0023
P508 BNCF Thesaurus ID 334
0.0020
P244 Library of Congress authority ID 321
0.0003
P3827 JSTOR topic ID 292
0.0017
P2924 Great Russian Encyclopedia Online ID 291
0.0015
P1014 AAT ID 287
0.0017
P4746 Elhuyar ZTH ID 284
0.0018
P349 NDL Auth ID 243
0.0009
P2167 UNSPSC Code 212
0.0014
P3219 Encyclopædia Universalis ID 200
0.0011
P1296 Gran Enciclopèdia Catalana ID 197
0.0010
P3073 CosIng number 165
0.0011
P1051 PSH ID 147
0.0009

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P235 InChIKey 150,206
0.9473
P234 InChI 147,977
0.9347
P661 ChemSpider ID 117,620
0.7505
P683 ChEBI ID 80,065
0.5136
P231 CAS Registry Number 66,934
0.4236
P652 UNII 56,074
0.3622
P592 ChEMBL ID 48,486
0.3183
P3117 DSSTOX substance identifier 37,849
0.2497
P232 EC number 29,129
0.1900
P2566 ECHA InfoCard ID 28,891
0.1885
P1579 Reaxys registry number 18,500
0.1220
P638 PDB structure ID 17,318
0.1079
P665 KEGG ID 14,593
0.0958
P6689 MassBank Accession ID 10,195
0.0674
P715 DrugBank ID 8,960
0.0589
P4964 SPLASH 7,698
0.0509
P3345 RxNorm CUI 6,339
0.0412
P2063 LIPID MAPS ID 6,229
0.0411
P595 Guide to Pharmacology Ligand ID 5,766
0.0381
P679 ZVG number 5,613
0.0370
P2057 HMDB ID 5,595
0.0369
P486 MeSH Descriptor ID 6,007
0.0349
P2064 KNApSAcK ID 4,117
0.0272
P2115 NDF-RT ID 2,863
0.0189
P1578 Gmelin number 2,779
0.0183
P4168 IEDB Epitope ID 2,392
0.0158
P2892 UMLS CUI 2,470
0.0145
P267 ATC code 1,692
0.0112
P657 RTECS number 1,614
0.0107
P3636 PDB ligand ID 1,481
0.0098
P5076 Römpp online ID 1,251
0.0083
P646 Freebase ID 6,615
0.0047
P1417 Encyclopædia Britannica Online ID 1,365
0.0044
P695 UN number 476
0.0031
P2085 Nikkaji ID 462
0.0031
P3417 Quora topic ID 815
0.0025
P628 E number 354
0.0023
P508 BNCF Thesaurus ID 334
0.0020
P4746 Elhuyar ZTH ID 284
0.0018
P1014 AAT ID 287
0.0017
P3827 JSTOR topic ID 292
0.0017
P2924 Great Russian Encyclopedia Online ID 291
0.0015
P2167 UNSPSC Code 212
0.0014
P3073 CosIng number 165
0.0011
P3219 Encyclopædia Universalis ID 200
0.0011
P1296 Gran Enciclopèdia Catalana ID 197
0.0010
P5220 ICSC ID 145
0.0010
P1051 PSH ID 147
0.0009
P349 NDL Auth ID 243
0.0009
P3471 WikiSkripta ID 140
0.0009