As of 2022-03-07, the Wikidata property NSC number (P2840) is used on 111,577 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
P231 CAS Registry Number 111,495
 0.1185
P235 InChIKey 110,760
 0.0847
P234 InChI 110,716
 0.0852
P3117 DSSTox substance ID 109,188
 0.1281
P8494 DSSTOX compound identifier 109,099
 0.1282
P662 PubChem CID 97,576
 0.1000
P2566 ECHA InfoCard ID 16,098
 0.1066
P232 EC number 16,098
 0.1066
P661 ChemSpider ID 14,457
 0.0652
P652 UNII 11,882
 0.0708
P592 ChEMBL ID 8,716
 0.0569
P683 ChEBI ID 7,640
 0.0361
P7049 AICS Chemical ID (former scheme) 5,912
 0.0484
P665 KEGG ID 4,458
 0.0351
P646 Freebase ID 4,344
 0.0010
P1579 Reaxys registry number 4,248
 0.0336
P6366 Microsoft Academic ID 4,109
 0.0109
P6689 MassBank accession ID 4,012
 0.0338
P4964 SPLASH 3,870
 0.0335
P679 ZVG number 3,262
 0.0283
P2062 HSDB ID 2,911
 0.0254
P3345 RxNorm ID 2,479
 0.0210
P715 DrugBank ID 2,432
 0.0200
P486 MeSH descriptor ID 2,353
 0.0161
P3636 PDB ligand ID 2,219
 0.0169
P2671 Google Knowledge Graph ID 2,012
 0.0003
P10283 OpenAlex ID 1,770
 0.0084
P3073 CosIng number 1,769
 0.0154
P2057 Human Metabolome Database ID 1,692
 0.0146
P638 PDB structure ID 1,655
 0.0121
P2115 NDF-RT ID 1,376
 0.0121
P2892 UMLS CUI 1,221
 0.0090
P2064 KNApSAcK ID 1,164
 0.0101
P7025 HCIS ID 1,145
 0.0100
P267 ATC code 1,106
 0.0097
P2063 LIPID MAPS ID 1,102
 0.0082
P1578 Gmelin number 1,041
 0.0092
P595 Guide to Pharmacology Ligand ID 1,027
 0.0087
P9066 FL number 966
 0.0085
P657 RTECS number 946
 0.0084
P5220 ICSC ID 931
 0.0083
P9557 JECFA number 688
 0.0061
P1417 Encyclopædia Britannica Online ID 674
 0.0024
P8072 CAB ID 653
 0.0038
P5076 Römpp online ID 621
 0.0055
P672 MeSH tree code 599
 0.0047
P4168 IEDB Epitope ID 589
 0.0052
P7524 CA PROP 65 ID 530
 0.0047
P8408 KBpedia ID 502
 0.0034
P8121 UM-BBD compound ID 484
 0.0043

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8494 DSSTOX compound identifier 109,099
 0.1282
P3117 DSSTox substance ID 109,188
 0.1281
P231 CAS Registry Number 111,495
 0.1185
P2566 ECHA InfoCard ID 16,098
 0.1066
P232 EC number 16,098
 0.1066
P662 PubChem CID 97,576
 0.1000
P234 InChI 110,716
 0.0852
P235 InChIKey 110,760
 0.0847
P652 UNII 11,882
 0.0708
P661 ChemSpider ID 14,457
 0.0652
P592 ChEMBL ID 8,716
 0.0569
P7049 AICS Chemical ID (former scheme) 5,912
 0.0484
P683 ChEBI ID 7,640
 0.0361
P665 KEGG ID 4,458
 0.0351
P6689 MassBank accession ID 4,012
 0.0338
P1579 Reaxys registry number 4,248
 0.0336
P4964 SPLASH 3,870
 0.0335
P679 ZVG number 3,262
 0.0283
P2062 HSDB ID 2,911
 0.0254
P3345 RxNorm ID 2,479
 0.0210
P715 DrugBank ID 2,432
 0.0200
P3636 PDB ligand ID 2,219
 0.0169
P486 MeSH descriptor ID 2,353
 0.0161
P3073 CosIng number 1,769
 0.0154
P2057 Human Metabolome Database ID 1,692
 0.0146
P2115 NDF-RT ID 1,376
 0.0121
P638 PDB structure ID 1,655
 0.0121
P6366 Microsoft Academic ID 4,109
 0.0109
P2064 KNApSAcK ID 1,164
 0.0101
P7025 HCIS ID 1,145
 0.0100
P267 ATC code 1,106
 0.0097
P1578 Gmelin number 1,041
 0.0092
P2892 UMLS CUI 1,221
 0.0090
P595 Guide to Pharmacology Ligand ID 1,027
 0.0087
P9066 FL number 966
 0.0085
P10283 OpenAlex ID 1,770
 0.0084
P657 RTECS number 946
 0.0084
P5220 ICSC ID 931
 0.0083
P2063 LIPID MAPS ID 1,102
 0.0082
P9557 JECFA number 688
 0.0061
P5076 Römpp online ID 621
 0.0055
P4168 IEDB Epitope ID 589
 0.0052
P7524 CA PROP 65 ID 530
 0.0047
P672 MeSH tree code 599
 0.0047
P8121 UM-BBD compound ID 484
 0.0043
P10245 MedlinePlus drug identifier 445
 0.0040
P8072 CAB ID 653
 0.0038
P8408 KBpedia ID 502
 0.0034
P6694 MeSH concept ID 342
 0.0031
P1417 Encyclopædia Britannica Online ID 674
 0.0024