Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 6983-79-5

CAS 6983-79-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 6983-79-5
CAS 6983-79-5PubChem CID 5281226

Bixin

Bixin is a carotenoic acid that is the 6'-monomethyl ester of 9'-cis-6,6'-diapocarotene-6,6'-dioic acid. It has a role as an antioxidant, a biological pigment, an insulin-sensitizing drug, an anti-inflammatory agent, an apoptosis inducer and a food colouring. It is a methyl ester, a carotenoic acid and a dicarboxylic acid monoester. — ChEBI

IUPAC name
(2E,4E,6E,8E,10E,12E,14E,16Z,18E)-20-methoxy-4,8,13,17-tetramethyl-20-oxoicosa-2,4,6,8,10,12,14,16,18-nonaenoic acid
Molecular formula
C25H30O4
Molecular weight
394.5 g/mol
Exact mass
394.21440943 Da
XLogP3
7.5
Topological polar surface area
63.6 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Methyl (9-cis)-hydrogen-6,6'-diapo-psi,psi-carotenedioate9L7T4VB66GAnnatto (E 160b)E160bCHEBI:31362,4,6,8,10,12,14,16,18-Eicosanonaenedioic acid, 4,8,13,17-tetramethyl-, monomethyl ester, (2E,4Z,6E,8E,10E,12E,14E,16E,18E)-RefChem:29838230-248-7
16 more reported names
cis-Bixin20-methoxy-4,8,13,17-tetramethyl-20-oxoicosa-2,4,6,8,10,12,14,16,18-nonaenoic acidIsobixinStable bixin6'-methyl hydrogen 9'-Z-6,6'-diapocarotene-6,6'-dioate6'-methyl hydrogen 9'-cis-6,6'-diapocarotene-6,6'-dioateC25H30O4alpha-BixinEINECS 230-248-7UNII-9L7T4VB66GCCRIS 9384a-Bixin(9-cis)-6,6'-diapo-?,?-carotenedioic acid 6-methyl ester; a-Bixin; BixinolBIXINS CIS-FORM.ALPHA.-BIXINBIXIN [MART.]
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 6983-79-5

1 total
No records found for this CAS number.

How CAS 6983-79-5 is used on this site

CAS 6983-79-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 6983-79-5 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.