CAS Registry Number

identifier for a chemical substance or compound per Chemical Abstract Service's Registry database
rdfs:label
"CAS Registry Number"@en
skos:altLabel
"CAS Number"@en
"CAS RN"@en
schema:description
"identifier for a chemical substance or compound per Chemical Abstract Service's Registry database"@en
schema:dateModified "2026-11-06T06:54:01+00:00"^^xsd:dateTime
schema:version 2565255114
wikibase:claim p:P231
wikibase:directClaim wdt:P231
wikibase:directClaimNormalized p:direct-normalized/P231
wikibase:novalue p:novalue/P231
wikibase:propertyType wikibase:ExternalId
wikibase:qualifier p:qualifier/P231
wikibase:qualifierValue p:qualifier/value/P231
wikibase:qualifierValueNormalized p:qualifier/value-normalized/P231
wikibase:reference p:reference/P231
wikibase:referenceValue p:reference/value/P231
wikibase:referenceValueNormalized p:reference/value-normalized/P231
wikibase:statementProperty p:statement/P231
wikibase:statementValue p:statement/value/P231
wikibase:statementValueNormalized p:statement/value-normalized/P231
wikibase:statements 34
p:P10726 wd:statement/P231-660195E9-3907-4C05-B387-D28525EDCAF6
p:P1552 wd:statement/P231-AEA110FE-5EFA-4A08-9098-DE28C8A06A18
p:P1628 wd:statement/P231-802f23e1-420e-eac5-fd4e-de4b5c50a985
p:P1630 wd:statement/P231-381988C3-6196-417F-B3EC-9A730E3E9F5D
wd:statement/P231-69c22971-4cf1-7870-4262-4960378843ff
p:P1748 wd:statement/P231-87fa1223-4c34-f831-5614-f1038a783f1c
p:P1793 wd:statement/P231-37fea22e-4532-ab18-2b31-242051a2698c
p:P1855 wd:statement/P231-3890c0a5-4ae6-e85f-16d0-571b28f51929
wd:statement/P231-ba209142-4d62-699f-455a-a91e6160d5ad
p:P1896 wd:statement/P231-39bdb208-4bf5-d236-4bd6-53c90b3b0c67
wd:statement/P231-421a9bad-4448-f9fa-d845-106b8b7a4ef0
p:P2302 wd:statement/P231-0125EADE-9C71-4025-8CCA-5D86B00D3F5B
wd:statement/P231-432D8160-B659-4047-91CA-8C303A4F13D3
wd:statement/P231-75168CB0-FAE7-4004-9885-0BE03FA63038
wd:statement/P231-9EB83017-03FF-47A9-A3EB-639CD1DD3FB9
wd:statement/P231-A52B051E-357F-4E2E-BD7B-9E5E8168EA73
wd:statement/P231-D85BF786-10D2-4BBB-BB5B-887DD901EC64
wd:statement/P231-d47d95ff-4573-c115-9e96-1cc496bafcfd
p:P2429 wd:statement/P231-f2cffa1e-4974-8b46-adeb-25a472934830
p:P2559 wd:statement/P231-AF5E557C-41EB-4147-8818-2B00FB98BF83
p:P2875 wd:statement/P231-B982F71C-0778-480D-8197-BB9A1F40FC11
p:P31 wd:statement/P231-945a681e-45b7-7be7-d9ad-c74231973cb1
p:P3254 wd:statement/P231-48FD2A9A-B617-4F67-BFDC-E04E24750BA0
p:P3303 wd:statement/P231-11f5ef1d-4100-af85-e4c5-df45e5277157
wd:statement/P231-5f985caa-448f-2b37-a204-079e1b389046
wd:statement/P231-c360ab2d-46ef-4156-de50-d5cf0de33e86
p:P3709 wd:statement/P231-9ED9B7EF-9428-4B49-A452-EC7649ED5EBB
p:P3713 wd:statement/P231-1BC08F0A-A7D8-47DA-8895-5A821D9E5E98
p:P3734 wd:statement/P231-66B1B5DB-D36D-463D-8A44-6C212E7A312C
p:P4354 wd:statement/P231-f7b61737-4d0b-50e6-6ef2-6a88c53f554f
p:P8966 wd:statement/P231-21b0ef0c-4310-c68f-b770-0b923c9056aa
wd:statement/P231-6dd64d48-47e0-cf28-090a-7627977c0909
wd:statement/P231-b9f51bc6-42f0-8626-bf28-aed988bed21a
wd:statement/P231-eadc3efd-4a11-b9f5-fa0c-4918abaeeed8
wdt:P10726 CAS Registry Number
wdt:P1552 checksum
wdt:P1628 <http://dbpedia.org/ontology/casNumber>
wdt:P1630 "https://commonchemistry.cas.org/detail?cas_rn=$1"
wdt:P1748 "P210"
wdt:P1793 "[1-9]\d{1,6}-\d{2}-\d"
wdt:P1855 omaveloxolone
Diclofenac
wdt:P1896 <https://scifinder.cas.org>
wdt:P2302 single-value constraint
format constraint
distinct-values constraint
allowed qualifiers constraint
allowed-entity-types constraint
single-best-value constraint
property scope constraint
wdt:P2429 always incomplete
wdt:P2559 "see [[en:w:CAS registry number]] for detailed method of numbering"@en
wdt:P2875 Category:Pages using Wikidata property P231
wdt:P31 Wikidata property to identify substances
wdt:P3254 <https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/10#P231>
wdt:P3303 "http://www.chemnet.com/cas/supplier.cgi?exact=dict&terms=$1"
"https://webbook.nist.gov/cgi/cbook.cgi?ID=$1"
"https://webbook.nist.gov/cgi/cbook.cgi?ID=C$1"
wdt:P3709 Category:P231 different from Wikidata
wdt:P3713 Category:P231 not in Wikidata
wdt:P3734 Category:P231 same as Wikidata
wdt:P4354 "https://commonchemistry.cas.org/results?q=$1"
wdt:P8966 "^https:\/\/www\.medchemexpress\.com\/cas\/([0-9\-]+)\.html"
"^https?:\/\/(?:www\.)?commonchemistry\.cas\.org\/detail\?cas_rn=([1-9]\d{1,6}-\d{2}-\d)"
"^https?:\/\/(?:www\.)?commonchemistry\.org\/ChemicalDetail\.aspx\?ref=([1-9]\d{1,6}-\d{2}-\d)"
"^https?:\/\/chem\.nlm\.nih\.gov\/chemidplus\/rn\/([1-9]\d{1,6}-\d{2}-\d)"
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