As of 2022-03-07, the Wikidata property InChI (P234) is used on 1,299,209 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 1,299,044
 0.9942
P662 PubChem CID 954,260
 0.7303
P231 CAS Registry Number 875,643
 0.6417
P3117 DSSTox substance ID 848,253
 0.6519
P8494 DSSTOX compound identifier 847,844
 0.6523
P661 ChemSpider ID 122,245
 0.0939
P2840 NSC number 110,716
 0.0852
P683 ChEBI ID 102,093
 0.0782
P652 UNII 58,176
 0.0444
P232 EC number 50,585
 0.0388
P2566 ECHA InfoCard ID 50,438
 0.0387
P592 ChEMBL ID 49,686
 0.0382
P2063 LIPID MAPS ID 23,041
 0.0177
P3636 PDB ligand ID 22,128
 0.0170
P1579 Reaxys registry number 18,903
 0.0145
P638 PDB structure ID 18,658
 0.0143
P8691 SwissLipids identifier 15,311
 0.0118
P665 KEGG ID 14,780
 0.0113
P7049 AICS Chemical ID (former scheme) 14,776
 0.0114
P646 Freebase ID 14,547
 0.0025
P6366 Microsoft Academic ID 12,377
 0.0080
P715 DrugBank ID 11,088
 0.0085
P6689 MassBank accession ID 10,915
 0.0084
P2671 Google Knowledge Graph ID 8,052
 0.0009
P4964 SPLASH 7,748
 0.0060
P595 Guide to Pharmacology Ligand ID 6,910
 0.0053
P679 ZVG number 6,503
 0.0050
P3345 RxNorm ID 6,480
 0.0050
P486 MeSH descriptor ID 6,179
 0.0046
P2057 Human Metabolome Database ID 6,072
 0.0047
P2062 HSDB ID 5,361
 0.0041
P3073 CosIng number 4,313
 0.0033
P2064 KNApSAcK ID 4,243
 0.0033
P10283 OpenAlex ID 3,399
 0.0024
P7025 HCIS ID 3,295
 0.0025
P1578 Gmelin number 3,048
 0.0023
P2115 NDF-RT ID 2,821
 0.0022
P267 ATC code 2,741
 0.0021
P4168 IEDB Epitope ID 2,692
 0.0021
P2892 UMLS CUI 2,481
 0.0019
P9066 FL number 2,326
 0.0018
P8072 CAB ID 2,113
 0.0016
P657 RTECS number 1,624
 0.0012
P9557 JECFA number 1,551
 0.0012
P5220 ICSC ID 1,546
 0.0012
P1417 Encyclopædia Britannica Online ID 1,438
 0.0010
P5076 Römpp online ID 1,248
 0.0010
P8408 KBpedia ID 1,186
 0.0009
P672 MeSH tree code 1,117
 0.0008
P10245 MedlinePlus drug identifier 1,035
 0.0008

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P235 InChIKey 1,299,044
 0.9942
P662 PubChem CID 954,260
 0.7303
P8494 DSSTOX compound identifier 847,844
 0.6523
P3117 DSSTox substance ID 848,253
 0.6519
P231 CAS Registry Number 875,643
 0.6417
P661 ChemSpider ID 122,245
 0.0939
P2840 NSC number 110,716
 0.0852
P683 ChEBI ID 102,093
 0.0782
P652 UNII 58,176
 0.0444
P232 EC number 50,585
 0.0388
P2566 ECHA InfoCard ID 50,438
 0.0387
P592 ChEMBL ID 49,686
 0.0382
P2063 LIPID MAPS ID 23,041
 0.0177
P3636 PDB ligand ID 22,128
 0.0170
P1579 Reaxys registry number 18,903
 0.0145
P638 PDB structure ID 18,658
 0.0143
P8691 SwissLipids identifier 15,311
 0.0118
P7049 AICS Chemical ID (former scheme) 14,776
 0.0114
P665 KEGG ID 14,780
 0.0113
P715 DrugBank ID 11,088
 0.0085
P6689 MassBank accession ID 10,915
 0.0084
P6366 Microsoft Academic ID 12,377
 0.0080
P4964 SPLASH 7,748
 0.0060
P595 Guide to Pharmacology Ligand ID 6,910
 0.0053
P679 ZVG number 6,503
 0.0050
P3345 RxNorm ID 6,480
 0.0050
P2057 Human Metabolome Database ID 6,072
 0.0047
P486 MeSH descriptor ID 6,179
 0.0046
P2062 HSDB ID 5,361
 0.0041
P3073 CosIng number 4,313
 0.0033
P2064 KNApSAcK ID 4,243
 0.0033
P646 Freebase ID 14,547
 0.0025
P7025 HCIS ID 3,295
 0.0025
P10283 OpenAlex ID 3,399
 0.0024
P1578 Gmelin number 3,048
 0.0023
P2115 NDF-RT ID 2,821
 0.0022
P267 ATC code 2,741
 0.0021
P4168 IEDB Epitope ID 2,692
 0.0021
P2892 UMLS CUI 2,481
 0.0019
P9066 FL number 2,326
 0.0018
P8072 CAB ID 2,113
 0.0016
P657 RTECS number 1,624
 0.0012
P9557 JECFA number 1,551
 0.0012
P5220 ICSC ID 1,546
 0.0012
P1417 Encyclopædia Britannica Online ID 1,438
 0.0010
P5076 Römpp online ID 1,248
 0.0010
P2671 Google Knowledge Graph ID 8,052
 0.0009
P8408 KBpedia ID 1,186
 0.0009
P672 MeSH tree code 1,117
 0.0008
P10245 MedlinePlus drug identifier 1,035
 0.0008