As of 2019-10-07, the Wikidata property PubChem CID (P662) is used on 152,423 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 151,304
0.9465
P234 InChI 149,070
0.9340
P661 ChemSpider ID 118,130
0.7477
P683 ChEBI ID 80,096
0.5096
P231 CAS Registry Number 67,148
0.4213
P652 UNII 56,082
0.3594
P592 ChEMBL ID 48,503
0.3158
P3117 DSSTOX substance identifier 38,277
0.2505
P232 EC number 29,408
0.1902
P2566 ECHA InfoCard ID 29,266
0.1893
P1579 Reaxys registry number 18,502
0.1210
P638 PDB structure ID 17,327
0.1071
P665 KEGG ID 14,596
0.0951
P6689 MassBank Accession ID 10,197
0.0669
P715 DrugBank ID 8,957
0.0585
P4964 SPLASH 7,699
0.0505
P646 Freebase ID 6,605
0.0047
P3345 RxNorm CUI 6,341
0.0409
P2063 LIPID MAPS ID 6,240
0.0408
P486 MeSH descriptor ID 5,952
0.0339
P595 Guide to Pharmacology Ligand ID 5,776
0.0378
P2057 HMDB ID 5,633
0.0369
P679 ZVG number 5,632
0.0369
P2064 KNApSAcK ID 4,121
0.0270
P2115 NDF-RT ID 2,862
0.0187
P1578 Gmelin number 2,779
0.0182
P2892 UMLS CUI 2,469
0.0144
P4168 IEDB Epitope ID 2,416
0.0158
P267 ATC code 1,692
0.0111
P657 RTECS number 1,613
0.0106
P3636 PDB ligand ID 1,482
0.0097
P1417 Encyclopædia Britannica Online ID 1,368
0.0044
P5076 Römpp online ID 1,251
0.0082
P3417 Quora topic ID 817
0.0025
P1296 Gran Enciclopèdia Catalana ID 776
0.0031
P227 GND ID 746
0.0008
P6694 MeSH concept ID 594
0.0039
P2085 Nikkaji ID 519
0.0034
P672 MeSH code 491
0.0030
P695 UN number 478
0.0031
P628 E number 352
0.0023
P508 BNCF Thesaurus ID 335
0.0020
P244 Library of Congress authority ID 323
0.0003
P2924 Great Russian Encyclopedia Online ID 297
0.0015
P1014 AAT ID 292
0.0017
P3827 JSTOR topic ID 290
0.0016
P4746 Elhuyar ZTH ID 284
0.0018
P349 National Diet Library Auth ID 243
0.0009
P2167 UNSPSC Code 211
0.0014
P3219 Encyclopædia Universalis ID 202
0.0011

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P235 InChIKey 151,304
0.9465
P234 InChI 149,070
0.9340
P661 ChemSpider ID 118,130
0.7477
P683 ChEBI ID 80,096
0.5096
P231 CAS Registry Number 67,148
0.4213
P652 UNII 56,082
0.3594
P592 ChEMBL ID 48,503
0.3158
P3117 DSSTOX substance identifier 38,277
0.2505
P232 EC number 29,408
0.1902
P2566 ECHA InfoCard ID 29,266
0.1893
P1579 Reaxys registry number 18,502
0.1210
P638 PDB structure ID 17,327
0.1071
P665 KEGG ID 14,596
0.0951
P6689 MassBank Accession ID 10,197
0.0669
P715 DrugBank ID 8,957
0.0585
P4964 SPLASH 7,699
0.0505
P3345 RxNorm CUI 6,341
0.0409
P2063 LIPID MAPS ID 6,240
0.0408
P595 Guide to Pharmacology Ligand ID 5,776
0.0378
P2057 HMDB ID 5,633
0.0369
P679 ZVG number 5,632
0.0369
P486 MeSH descriptor ID 5,952
0.0339
P2064 KNApSAcK ID 4,121
0.0270
P2115 NDF-RT ID 2,862
0.0187
P1578 Gmelin number 2,779
0.0182
P4168 IEDB Epitope ID 2,416
0.0158
P2892 UMLS CUI 2,469
0.0144
P267 ATC code 1,692
0.0111
P657 RTECS number 1,613
0.0106
P3636 PDB ligand ID 1,482
0.0097
P5076 Römpp online ID 1,251
0.0082
P646 Freebase ID 6,605
0.0047
P1417 Encyclopædia Britannica Online ID 1,368
0.0044
P6694 MeSH concept ID 594
0.0039
P2085 Nikkaji ID 519
0.0034
P695 UN number 478
0.0031
P1296 Gran Enciclopèdia Catalana ID 776
0.0031
P672 MeSH code 491
0.0030
P3417 Quora topic ID 817
0.0025
P628 E number 352
0.0023
P508 BNCF Thesaurus ID 335
0.0020
P4746 Elhuyar ZTH ID 284
0.0018
P1014 AAT ID 292
0.0017
P3827 JSTOR topic ID 290
0.0016
P2924 Great Russian Encyclopedia Online ID 297
0.0015
P2167 UNSPSC Code 211
0.0014
P3219 Encyclopædia Universalis ID 202
0.0011
P3073 CosIng number 165
0.0011
P7049 AICS Chemical ID 156
0.0010
P3471 WikiSkripta ID 151
0.0010