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CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2

CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 259886-49-2

CAS 259886-49-2PubChem CID 6096206

Cucurbit[5]uril

Molecular formula: C30H30N20O10
Molecular weight: 830.7 g/mol
Exact mass: 830.24537723 Da
XLogP3: -5.7
Topological polar surface area: 236.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 10
Covalent units: 1
Defined stereocentres: 0

Also known as

cucurbit(5)urilCB[5]Cucurbit[n]uril aCHEBI:51435VKSVEHYLRGITRK-UHFFFAOYSA-N

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External database identifiers

ChEBI:CHEBI:51435
PubMed:22624150
PubMed:22471316
PubMed:22129203
PubMed:21761833
PubMed:21404420
PubMed:20379551
PubMed:19191519
PubMed:19175303
PubMed:18463754
PubMed:17960900
PubMed:17909488
PubMed:15148439

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 259886-50-5

CAS 259886-50-5PubChem CID 6096207

Cucurbit[7]uril (CB[7]) hydrate

IUPAC name: 3,5,8,10,13,15,18,20,23,25,28,30,33,35,36,38,40,42,46,48,50,52,54,56,58,60,62,64-octacosazadocosacyclo[30.3.3.36,7.311,12.316,17.321,22.326,27.22,36.231,38.13,35.15,8.110,13.115,18.120,23.125,28.130,33.140,46.142,64.148,50.152,54.156,58.160,62]heptacontane-39,41,43,44,45,47,49,51,53,55,57,59,61,63-tetradecone

Molecular formula: C42H42N28O14
Molecular weight: 1163.0 g/mol
Exact mass: 1162.34352813 Da
XLogP3: -8.0
Topological polar surface area: 330.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 14
Covalent units: 1
Defined stereocentres: 0

Also known as

Cucurbit(7)uril (CB(7)) hydrateRefChem:579526811-749-5cucurbit[7]urilCucurbit[7]uril hydrateCB[7]QQ7SAMPL3, H2

7 more reported names

CHEBI:51434ZDOBFUIMGBWEAB-UHFFFAOYSA-NC42H42N28O14BS-51452HY-104086CS-0030779T9068

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External database identifiers

ChEBI:CHEBI:51434
ChEMBL:CHEMBL3770339
EPA DTXSID:DTXSID301316938
PubMed:23009313
PubMed:22969015
PubMed:22959366
PubMed:22946446
PubMed:22860771
PubMed:22852591
PubMed:22710743
PubMed:22690827
PubMed:22683553
PubMed:22646470
PubMed:22635275
PubMed:22618533

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 259886-51-6

CAS 259886-51-6PubChem CID 16133299

Cucurbit[8]uril

IUPAC name: 3,5,8,10,13,15,18,20,23,25,28,30,33,35,38,40,41,43,45,47,51,53,55,57,59,61,63,65,67,69,71,73-dotriacontazapentacosacyclo[35.3.3.36,7.311,12.316,17.321,22.326,27.331,32.22,41.236,43.13,40.15,8.110,13.115,18.120,23.125,28.130,33.135,38.145,51.147,73.153,55.157,59.161,63.165,67.169,71]octacontane-44,46,48,49,50,52,54,56,58,60,62,64,66,68,70,72-hexadecone

Molecular formula: C48H48N32O16
Molecular weight: 1329.1 g/mol
Exact mass: 1328.39260358 Da
XLogP3: -9.1
Topological polar surface area: 377.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 16
Covalent units: 1
Defined stereocentres: 0

Also known as

CUCURBIT(8)URILCB[8]Cucurbit[8]uril hydrateCucurbit[8]uril (CB[8]) hydrate, 99+%C48H48N32O16Cucurbit[8]uril (CB[8]) hydrateCurcubit[8]urilCucurbit[8]uril hydrate contains acid of crystalization

8 more reported names

SAMPL3, H3Cucurbit[8]uril (CB[8])CHEBI:51433BS-14119DA-52159HY-103689CS-0031079C8L

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External database identifiers

ChEBI:CHEBI:51433
PubMed:23042328
PubMed:23008831
PubMed:22907929
PubMed:22842400
PubMed:22832698
PubMed:22758793
PubMed:22735549
PubMed:22730071
PubMed:22587703
PubMed:22388790
PubMed:22366954
PubMed:22336996

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 80262-44-8

CAS 80262-44-8PubChem CID 196163

Cucurbituril

IUPAC name: 3,5,8,10,13,15,18,20,23,25,28,30,31,33,35,37,41,43,45,47,49,51,53,55-tetracosazanonadecacyclo[25.3.3.36,7.311,12.316,17.321,22.22,31.226,33.13,30.15,8.110,13.115,18.120,23.125,28.135,41.137,55.143,45.147,49.151,53]hexacontane-34,36,38,39,40,42,44,46,48,50,52,54-dodecone

Molecular formula: C36H36N24O12
Molecular weight: 996.8 g/mol
Exact mass: 996.29445268 Da
XLogP3: -6.8
Topological polar surface area: 283.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 12
Covalent units: 1
Defined stereocentres: 0

Also known as

cucurbit(n)urilcucurbit(n)urilsRefChem:128733CHEBI:51431cucurbit[6]urilCucurbit[6]uril hydrateCucurbit(6)urilCucurbit[n]uril b

11 more reported names

CB[6]CHEBI:51432Cucurbit[6]uril (CB[6]) hydrate, 99%Cucurbit[6]uril hydrate, contains acid of crystalizationCucurbituril [6]C36H36N24O12TSH-00019HY-W130354BS-17595CS-01884403,5,8,10,13,15,18,20,23,25,28,30,31,33,35,37,41,43,45,47,49,51,53,55-tetracosazanonadecacyclo[25.3.3.36,7.311,12.316,17.321,22.2

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External database identifiers

ChEBI:CHEBI:51432
EPA DTXSID:DTXSID101317823
PubMed:22961988
PubMed:22946446
PubMed:22864828
PubMed:22854225
PubMed:22743794
PubMed:22717946
PubMed:22650758
PubMed:22595678
PubMed:22545413
PubMed:22540671
PubMed:22512431
PubMed:22471316

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2

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How CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2 is used on this site

CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 80262-44-8/ 259886-51-6/ 259886-50-5/ 259886-49-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.