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CAS 144-68-3

CAS 144-68-3 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 144-68-3
CAS 144-68-3PubChem CID 5280899

Zeaxanthin

Zeaxanthin is a carotenol. It has a role as an antioxidant, a cofactor and a bacterial metabolite. It derives from a hydride of a beta-carotene. — ChEBI

IUPAC name
(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol
Molecular formula
C40H56O2
Molecular weight
568.9 g/mol
Exact mass
568.42803102 Da
XLogP3
10.9
Topological polar surface area
40.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
2

Also known as

Anchovyxanthinall-trans-ZeaxanthinZeaxantholXanthophyll 3LuteinoftaOptisharpZeagold(3R,3'R)-beta,beta-Carotene-3,3'-diol
16 more reported names
3R,3'R-Zeaxanthinbeta-carotene-3,3'-diol3R,3'R ZeaxanthinCV0IB81OROINS NO.161H(I)INS-161H(I)E 161HE-161H(I)CHEBI:27547Beta Carotene 3,3' DiolRefChem:532074-(18-(4-hydroxy-2,6,6-trimethyl-1-cyclohexenyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl)-3,5,5-trimethyl-cyclohex-3-en-1-ol205-636-4trans-Zeaxanthin(3R,3'R)-ZeaxanthinZeaxanthin, 65%
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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 144-68-3

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How CAS 144-68-3 is used on this site

CAS 144-68-3 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 144-68-3 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.