As of 2022-03-07, the Wikidata property chemical formula (P274) is used on 1,044,523 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
P31 instance of 1,044,329
 0.0112
P235 InChIKey 975,286
 0.7089
P234 InChI 969,049
 0.7049
P233 canonical SMILES 873,533
 0.8311
P662 PubChem CID 731,444
 0.5738
P231 CAS Registry Number 624,697
 0.4590
P3117 DSSTox substance ID 536,289
 0.3948
P8494 DSSTOX compound identifier 534,977
 0.3940
P2017 isomeric SMILES 354,638
 0.3380
P703 found in taxon 296,330
 0.0888
P2067 mass 146,858
 0.1191
P661 ChemSpider ID 120,448
 0.1148
P683 ChEBI ID 88,575
 0.0833
P279 subclass of 81,388
 0.0225
P2840 NSC number 70,186
 0.0646
P652 UNII 57,005
 0.0540
P232 EC number 53,677
 0.0513
P2566 ECHA InfoCard ID 53,523
 0.0511
P592 ChEMBL ID 49,424
 0.0473
P972 catalog 48,874
 0.0459
P2101 melting point 30,958
 0.0296
P2063 LIPID MAPS ID 22,638
 0.0216
P3636 PDB ligand ID 21,983
 0.0210
P1579 Reaxys registry number 18,833
 0.0180
P638 PDB structure ID 18,510
 0.0176
P8691 SwissLipids identifier 17,306
 0.0166
P646 Freebase ID 16,151
 0.0030
P665 KEGG ID 14,772
 0.0141
P117 chemical structure 14,548
 0.0139
P7049 AICS Chemical ID (former scheme) 14,227
 0.0136
P2671 Google Knowledge Graph ID 13,559
 0.0016
P6366 Microsoft Academic ID 13,388
 0.0103
P715 DrugBank ID 11,158
 0.0107
P6689 MassBank accession ID 10,490
 0.0100
P527 has part or parts 7,981
 0.0047
P4964 SPLASH 7,721
 0.0074
P373 Commons category 6,965
 0.0016
P595 Guide to Pharmacology Ligand ID 6,924
 0.0066
P18 image 6,627
 0.0013
P679 ZVG number 6,565
 0.0063
P3345 RxNorm ID 6,517
 0.0062
P486 MeSH descriptor ID 6,275
 0.0058
P2057 Human Metabolome Database ID 5,910
 0.0057
P2868 subject has role 5,664
 0.0041
P2062 HSDB ID 5,414
 0.0052
P579 IMA status and/or rank 5,288
 0.0051
P10113 IMA Mineral Symbol 5,237
 0.0050
P138 named after 4,684
 0.0034
P556 crystal system 4,475
 0.0043
P3073 CosIng number 4,418
 0.0042

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P233 canonical SMILES 873,533
 0.8311
P235 InChIKey 975,286
 0.7089
P234 InChI 969,049
 0.7049
P662 PubChem CID 731,444
 0.5738
P231 CAS Registry Number 624,697
 0.4590
P3117 DSSTox substance ID 536,289
 0.3948
P8494 DSSTOX compound identifier 534,977
 0.3940
P2017 isomeric SMILES 354,638
 0.3380
P2067 mass 146,858
 0.1191
P661 ChemSpider ID 120,448
 0.1148
P703 found in taxon 296,330
 0.0888
P683 ChEBI ID 88,575
 0.0833
P2840 NSC number 70,186
 0.0646
P652 UNII 57,005
 0.0540
P232 EC number 53,677
 0.0513
P2566 ECHA InfoCard ID 53,523
 0.0511
P592 ChEMBL ID 49,424
 0.0473
P972 catalog 48,874
 0.0459
P2101 melting point 30,958
 0.0296
P279 subclass of 81,388
 0.0225
P2063 LIPID MAPS ID 22,638
 0.0216
P3636 PDB ligand ID 21,983
 0.0210
P1579 Reaxys registry number 18,833
 0.0180
P638 PDB structure ID 18,510
 0.0176
P8691 SwissLipids identifier 17,306
 0.0166
P665 KEGG ID 14,772
 0.0141
P117 chemical structure 14,548
 0.0139
P7049 AICS Chemical ID (former scheme) 14,227
 0.0136
P31 instance of 1,044,329
 0.0112
P715 DrugBank ID 11,158
 0.0107
P6366 Microsoft Academic ID 13,388
 0.0103
P6689 MassBank accession ID 10,490
 0.0100
P4964 SPLASH 7,721
 0.0074
P595 Guide to Pharmacology Ligand ID 6,924
 0.0066
P679 ZVG number 6,565
 0.0063
P3345 RxNorm ID 6,517
 0.0062
P486 MeSH descriptor ID 6,275
 0.0058
P2057 Human Metabolome Database ID 5,910
 0.0057
P2062 HSDB ID 5,414
 0.0052
P579 IMA status and/or rank 5,288
 0.0051
P10113 IMA Mineral Symbol 5,237
 0.0050
P527 has part or parts 7,981
 0.0047
P556 crystal system 4,475
 0.0043
P3073 CosIng number 4,418
 0.0042
P2868 subject has role 5,664
 0.0041
P2064 KNApSAcK ID 4,229
 0.0040
P713 Nickel-Strunz '10th ed', review of (9th ed/ 2009 update) 4,224
 0.0040
P712 Nickel-Strunz 9th edition (updated 2009) 4,133
 0.0040
P484 IMA Number, broad sense 4,010
 0.0038
P711 Strunz 8th edition (series ID, updated) 3,808
 0.0036