As of 2022-03-07, the Wikidata property UN number (P695) is used on 504 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 499
0.0005
P662 PubChem CID 491
0.0005
P235 InChIKey 489
0.0004
P234 InChI 487
0.0004
P661 ChemSpider ID 486
0.0039
P3117 DSSTox substance ID 485
0.0006
P232 EC number 483
0.0087
P8494 DSSTOX compound identifier 482
0.0006
P2566 ECHA InfoCard ID 478
0.0086
P646 Freebase ID 475
0.0001
P6366 Microsoft Academic ID 456
0.0017
P652 UNII 448
0.0066
P679 ZVG number 414
0.0572
P7049 AICS Chemical ID (former scheme) 394
0.0238
P657 RTECS number 360
0.1945
P2062 HSDB ID 352
0.0598
P683 ChEBI ID 306
0.0028
P5220 ICSC ID 282
0.1506
P592 ChEMBL ID 268
0.0053
P7025 HCIS ID 260
0.0661
P1579 Reaxys registry number 260
0.0134
P2840 NSC number 241
0.0022
P10283 OpenAlex ID 213
0.0021
P4964 SPLASH 172
0.0213
P665 KEGG ID 171
0.0084
P1417 Encyclopædia Britannica Online ID 167
0.0010
P1578 Gmelin number 164
0.0476
P6689 MassBank accession ID 154
0.0136
P486 MeSH descriptor ID 150
0.0040
P8408 KBpedia ID 140
0.0036
P3345 RxNorm ID 135
0.0141
P227 GND ID 133
0.0001
P3073 CosIng number 110
0.0201
P5076 Römpp online ID 106
0.0546
P3636 PDB ligand ID 100
0.0044
P1296 Gran Enciclopèdia Catalana ID 100
0.0009
P3417 Quora topic ID 100
0.0005
P715 DrugBank ID 99
0.0078
P244 Library of Congress authority ID 90
0.0001
P2057 Human Metabolome Database ID 89
0.0135
P638 PDB structure ID 85
0.0031
P1014 Art & Architecture Thesaurus ID 68
0.0028
P7524 CA PROP 65 ID 65
0.0511
P2115 NDF-RT ID 63
0.0172
P8072 CAB ID 63
0.0010
P2924 Great Russian Encyclopedia Online ID 62
0.0012
P508 BNCF Thesaurus ID 60
0.0036
P8121 UM-BBD compound ID 58
0.0421
P4342 Store norske leksikon ID 55
0.0007
P8189 National Library of Israel J9U ID 54
0.0003

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P657 RTECS number 360
0.1945
P5220 ICSC ID 282
0.1506
P700 Kemler code 44
0.0863
P7025 HCIS ID 260
0.0661
P2062 HSDB ID 352
0.0598
P679 ZVG number 414
0.0572
P5076 Römpp online ID 106
0.0546
P7524 CA PROP 65 ID 65
0.0511
P1578 Gmelin number 164
0.0476
P8491 AHECC 2017 ID 29
0.0458
P8121 UM-BBD compound ID 58
0.0421
P4842 ASHRAE refrigerant number 18
0.0331
P7049 AICS Chemical ID (former scheme) 394
0.0238
P2072 CDB Chemical ID 12
0.0237
P4964 SPLASH 172
0.0213
P3073 CosIng number 110
0.0201
P628 E number 20
0.0188
P2085 Nikkaji ID 20
0.0184
P2115 NDF-RT ID 63
0.0172
P1820 Open Food Facts food additive ID 13
0.0155
P2167 UNSPSC Code 26
0.0144
P4852 JECFA database ID 15
0.0143
P3345 RxNorm ID 135
0.0141
P9557 JECFA number 28
0.0136
P6689 MassBank accession ID 154
0.0136
P2057 Human Metabolome Database ID 89
0.0135
P1579 Reaxys registry number 260
0.0134
P9066 FL number 38
0.0132
P5219 BMRB ID 7
0.0121
P267 ATC code 43
0.0103
P10077 Spanish Cultural Heritage thesauri ID 23
0.0098
P6852 CCDC Number 5
0.0087
P232 EC number 483
0.0087
P2566 ECHA InfoCard ID 478
0.0086
P665 KEGG ID 171
0.0084
P5930 Open Food Facts ingredient ID 12
0.0080
P9635 electronic Essential Medicines List medicine ID 6
0.0080
P715 DrugBank ID 99
0.0078
P2004 NALT ID 51
0.0072
P4168 IEDB Epitope ID 25
0.0069
P5082 Store medisinske leksikon ID 23
0.0067
P652 UNII 448
0.0066
P2064 KNApSAcK ID 29
0.0061
P8061 AGROVOC ID 13
0.0059
P2083 Leadscope ID 3
0.0058
P592 ChEMBL ID 268
0.0053
P9545 Encyclopedia of China Online Database ID 25
0.0049
P5417 Common Procurement Vocabulary 4
0.0046
P9272 DeCS ID 10
0.0045
P6694 MeSH concept ID 6
0.0045