As of 2022-03-07, the Wikidata property E number (P628) is used on 581 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 444
 0.0005
P646 Freebase ID 421
 0.0001
P232 EC number 414
 0.0074
P2566 ECHA InfoCard ID 410
 0.0074
P3117 DSSTox substance ID 409
 0.0005
P652 UNII 404
 0.0059
P6366 Microsoft Academic ID 385
 0.0014
P662 PubChem CID 363
 0.0004
P235 InChIKey 357
 0.0003
P234 InChI 356
 0.0003
P7049 AICS Chemical ID (former scheme) 351
 0.0211
P661 ChemSpider ID 349
 0.0028
P8494 DSSTOX compound identifier 323
 0.0004
P1820 Open Food Facts food additive ID 296
 0.4676
P3073 CosIng number 287
 0.0534
P683 ChEBI ID 262
 0.0024
P2062 HSDB ID 228
 0.0375
P3345 RxNorm ID 221
 0.0231
P679 ZVG number 214
 0.0285
P592 ChEMBL ID 208
 0.0041
P10283 OpenAlex ID 207
 0.0021
P715 DrugBank ID 175
 0.0139
P486 MeSH descriptor ID 172
 0.0046
P665 KEGG ID 171
 0.0084
P1579 Reaxys registry number 151
 0.0077
P1417 Encyclopædia Britannica Online ID 147
 0.0009
P2840 NSC number 139
 0.0012
P2115 NDF-RT ID 130
 0.0354
P1014 Art & Architecture Thesaurus ID 117
 0.0048
P8408 KBpedia ID 111
 0.0029
P5220 ICSC ID 105
 0.0494
P2892 UMLS CUI 104
 0.0041
P657 RTECS number 100
 0.0457
P3417 Quora topic ID 98
 0.0005
P1296 Gran Enciclopèdia Catalana ID 93
 0.0008
P227 GND ID 92
 0.0001
P4964 SPLASH 91
 0.0110
P2057 Human Metabolome Database ID 89
 0.0134
P508 BNCF Thesaurus ID 88
 0.0052
P244 Library of Congress authority ID 88
 0.0001
P267 ATC code 87
 0.0206
P5930 Open Food Facts ingredient ID 82
 0.0545
P2004 NALT ID 81
 0.0114
P4342 Store norske leksikon ID 81
 0.0011
P6689 MassBank accession ID 79
 0.0069
P5076 Römpp online ID 77
 0.0376
P8189 National Library of Israel J9U ID 73
 0.0004
P8072 CAB ID 72
 0.0011
P1578 Gmelin number 71
 0.0196
P3636 PDB ligand ID 64
 0.0028

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1820 Open Food Facts food additive ID 296
 0.4676
P5930 Open Food Facts ingredient ID 82
 0.0545
P3073 CosIng number 287
 0.0534
P5220 ICSC ID 105
 0.0494
P2027 Colour Index International constitution ID 33
 0.0476
P657 RTECS number 100
 0.0457
P5076 Römpp online ID 77
 0.0376
P2062 HSDB ID 228
 0.0375
P2115 NDF-RT ID 130
 0.0354
P8491 AHECC 2017 ID 21
 0.0292
P679 ZVG number 214
 0.0285
P2167 UNSPSC Code 46
 0.0247
P3345 RxNorm ID 221
 0.0231
P7049 AICS Chemical ID (former scheme) 351
 0.0211
P4842 ASHRAE refrigerant number 13
 0.0208
P267 ATC code 87
 0.0206
P1578 Gmelin number 71
 0.0196
P695 UN number 20
 0.0188
P10077 Spanish Cultural Heritage thesauri ID 42
 0.0174
P2085 Nikkaji ID 19
 0.0163
P9635 electronic Essential Medicines List medicine ID 12
 0.0146
P715 DrugBank ID 175
 0.0139
P2057 Human Metabolome Database ID 89
 0.0134
P7025 HCIS ID 56
 0.0133
P8121 UM-BBD compound ID 19
 0.0127
P2004 NALT ID 81
 0.0114
P8061 AGROVOC ID 25
 0.0110
P4964 SPLASH 91
 0.0110
P7524 CA PROP 65 ID 14
 0.0100
P2064 KNApSAcK ID 48
 0.0100
P4168 IEDB Epitope ID 31
 0.0084
P665 KEGG ID 171
 0.0084
P4637 FoodEx2 code 7
 0.0078
P1579 Reaxys registry number 151
 0.0077
P232 EC number 414
 0.0074
P2566 ECHA InfoCard ID 410
 0.0074
P3471 WikiSkripta ID 20
 0.0069
P6689 MassBank accession ID 79
 0.0069
P9066 FL number 20
 0.0067
P6694 MeSH concept ID 9
 0.0064
P4235 PatientsLikeMe treatment ID 11
 0.0063
P9272 DeCS ID 14
 0.0061
P9557 JECFA number 13
 0.0061
P652 UNII 404
 0.0059
P10376 ScienceDirect topic ID 13
 0.0059
P10245 MedlinePlus drug identifier 11
 0.0058
P4852 JECFA database ID 6
 0.0053
P5417 Common Procurement Vocabulary 5
 0.0052
P508 BNCF Thesaurus ID 88
 0.0052
P5082 Store medisinske leksikon ID 18
 0.0051