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CAS 518-82-1

CAS 518-82-1 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 518-82-1
CAS 518-82-1PubChem CID 3220

Emodin

Emodin is a trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. It has a role as an antineoplastic agent, a tyrosine kinase inhibitor, a laxative and a plant metabolite. It is functionally related to an emodin anthrone. It is a conjugate acid of an emodin(1-). — ChEBI

IUPAC name
1,3,8-trihydroxy-6-methylanthracene-9,10-dione
Molecular formula
C15H10O5
Molecular weight
270.24 g/mol
Exact mass
270.05282342 Da
XLogP3
2.7
Topological polar surface area
94.8 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

EmodolFrangula emodinSchuttgelbRheum emodinArchinFrangulic acid3-Methyl-1,6,8-trihydroxyanthraquinonePersian Berry Lake
16 more reported names
1,3,8-Trihydroxy-6-methylanthraquinone1,3,8-Trihydroxy-6-methyl-9,10-anthracenedioneC.I. Natural Yellow 146-Methyl-1,3,8-trihydroxyanthraquinone9,10-Anthracenedione, 1,3,8-trihydroxy-6-methyl-1,3,8-Trihydroxy-6-methyl-9,10-anthraquinone4,5,7-Trihydroxy-2-methylanthraquinoneC.I. 75440KA46RNI6HNAnthraquinone, 1,3,8-trihydroxy-6-methyl-1,3,8-Trihydroxy-6-methylanthra-9,10-quinoneNSC-408120NSC-622947CHEBI:42223Emodin, RheumEmodin, Frangula
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External database identifiers

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 518-82-1

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How CAS 518-82-1 is used on this site

CAS 518-82-1 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 518-82-1 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.