C40H52O4
596.8 g/mol
Food Additive
Astaxanthin
CAS472-61-7EC207-451-4
Category
Food Additive
Compound Class
Natural Product
Primary Use
carotenoid pigment for food and feed coloring
Astaxanthin is a keto-carotenoid pigment found naturally in certain algae, yeast, and seafood. It is a metabolite of zeaxanthin and canthaxanthin, containing both hydroxyl and ketone functional groups, and is primarily used as a natural coloring agent for food and animal feed.
carotenoid pigment for food and feed coloring
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Campesterol
CAS474-62-4
phytosterol food additive for cholesterol lowering
ReferenceSame Category
Glycocholic acid
CAS475-31-0
Bile acid for fat absorption
ReferenceSame Category
Ellagic acid
CAS476-66-4
antioxidant in cosmetics and nutraceuticals
ReferenceSame Category
Chlorophyll a
CAS479-61-8
natural green colorant for food
Referencestereoisomer of
Astaxanthin
CAS7542-45-2
carotenoid pigment and antioxidant
Referencesame scaffold
Canthaxanthin
CAS514-78-3
carotenoid pigment for food coloring
Safety Reference
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for Astaxanthin (CAS 472-61-7) is 3203.00.
HS code (international, 6-digit)
3203.00
EU CN code (8-digit)
3203 00 10, 3203 00 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(6S)-6-hydroxy-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one
InChIKey
MQZIGYBFDRPAKN-UWFIBFSHSA-N
SMILES
CC1=C(C(C[C@@H](C1=O)O)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(/C=C/C=C(/C=C/C2=C(C(=O)[C@H](CC2(C)C)O)C)\C)\C)/C)/C
Synonyms (44)
- AXT
- (3S,3'S)-Astaxanthin
- ASTAXANTHIN [MART.]
- AstaREAL
- Astaxanthin
- Astaxanthin (6CI)
- Astaxanthin (Standard)
- Astaxanthin Oil
- Astaxanthin, (3S,3'S)-
- Astaxanthin, 5% active
- Astaxanthin, >=98% (HPLC)
- Astaxanthin, all-trans-
- Astaxanthine
- BioAstin
- BioAstin oleoresin
- Carophyll Pink
- E161j
- Lucantin Pink
- Natupink
- Ovoester
- all-trans-Astaxanthin
- astaxantin
- beta-Carotene-4,4'-dione
- trans-Astaxanthin
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