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CAS 22608-11-3

CAS 22608-11-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 22608-11-3
CAS 22608-11-3PubChem CID 5469424

Demethoxycurcumin

Demethoxycurcumin is a beta-diketone that is curcumin in which one of the methoxy groups is replaced by hydrogen. It is found in Curcuma zedoaria and Etlingera elatior. It has a role as a metabolite, an antineoplastic agent and an anti-inflammatory agent. It is a polyphenol, an enone, a beta-diketone and a diarylheptanoid. ChEBI

IUPAC name
(1E,6E)-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione
Molecular formula
C20H18O5
Molecular weight
338.4 g/mol
Exact mass
338.11542367 Da
XLogP3
3.3
Topological polar surface area
83.8 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

curcumin IIdesmethoxycurcuminDemethoxy CurcuminBHCFM4-Hydroxycinnamoyl(feroyl)methaneFeruloyl-P-hydroxycinnnamoylmethanedemethoxy-curcuminCHEBI:65737
16 more reported names
W2F8059T80RefChem:131719(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)hepta-1,4,6-trien-3-one663-429-8monodemethoxycurcumin(E/Z)-Demethoxycurcumin1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,6-diene-3,5-dionecurcuminII(2E)-Demethoxy CurcuminC20H18O51,6-Heptadiene-3,5-dione, 1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)-p-Hydroxycinnamoyl-feruloylmethane(1E,6E)-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)-1,6-heptadiene-3,5-dionecid_53244764-hydroxycinnamoyl(feruloyl)methaneAC-34584
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 22608-11-3

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No records found for this CAS number.

How CAS 22608-11-3 is used on this site

CAS 22608-11-3 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 22608-11-3 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.