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CAS 1843-05-6

CAS 1843-05-6 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 1843-05-6

CAS 1843-05-6PubChem CID 15797

Octabenzone

Octabenzone is a member of benzophenones. — ChEBI

IUPAC name: (2-hydroxy-4-octoxyphenyl)-phenylmethanone

Molecular formula: C21H26O3
Molecular weight: 326.4 g/mol
Exact mass: 326.18819469 Da
XLogP3: 6.8
Topological polar surface area: 46.5 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Benzophenone-122-HYDROXY-4-(OCTYLOXY)BENZOPHENONEBenzophenone 12Benzon OO2-Hydroxy-4-octoxybenzophenoneSumisorb 130Rhodialux PSeikalizer E

16 more reported names

Zislizer EOctabenzonaCarstab 700Viosorb 1302-Benzoyl-5-(octyloxy)phenolSanduvor 3035Aduvex 248Uvinul 408Uvinul M 4084-(Octyloxy)-2-hydroxybenzophenone2-Hydroxy-4-(n-octoxy)benzophenone4-Octoxy-2-hydroxybenzophenoneOctabenzonumUV 531Biosorb 130Mark 1413

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External database identifiers

ChEBI:CHEBI:135390
ChEMBL:CHEMBL1977129
EPA DTXSID:DTXSID9027441
PubMed:37217011
PubMed:20640407
PubMed:16780223
PubMed:16497524
PubMed:15864868
PubMed:10989984

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

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How CAS 1843-05-6 is used on this site

CAS 1843-05-6 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 1843-05-6 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.