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Food antioxidants

Fucoxanthin

Also known as all-trans-Fucoxanthin, (3'S,5'R,6'R)-3'-acetoxy-5,6-epoxy-3,5'-dihydroxy-6',7'-didehydro-5,6,7,8,5',6'-hexahydro-beta,beta-caroten-8-one, (3S,5R,6S,3'S,5'R,6'R)-3,5'-dihydroxy-8-oxo-6',7'-didehydro-5,6-epoxy-5,6,7,8,5',6'-hexahydro-beta,beta-caroten-3'-yl acetate

CAS 3351-86-8Formula C42H58O6Molar mass 658.92 g/mol
12 suppliers listed
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Fucoxanthin chemical structure, C42H58O6, CAS 3351-86-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3351-86-8
Formula
C42H58O6
Molar mass
658.92 g/mol
HS code
291539
Category
Food antioxidants

What is Fucoxanthin?

Plain description, key identifiers and synonyms

Fucoxanthin is an epoxycarotenol that is found in brown seaweed and which exhibits anti-cancer, anti-diabetic, anti-oxidative and neuroprotective properties. It has a role as a hypoglycemic agent, a hepatoprotective agent, a neuroprotective agent, a CFTR potentiator, an apoptosis inhibitor, a marine metabolite, a plant metabolite, a food antioxidant and an algal metabolite. It is a tertiary alcohol, an epoxycarotenol, a secondary alcohol, a member of allenes and an acetate ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(1S,3R)-3-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyl-17-oxooctadeca-1,3,5,7,9,11,13,15-octaenylidene]-3,5,5-trimethylcyclohexyl] acetate
CAS number
3351-86-8 CAS number cross-checked
Molecular formula
C42H58O6
UNII
06O0TC0VSM
MDL number
MFCD01745140
INCI name
FUCOXANTHIN
InChIKey
SJWWTRQNNRNTPU-ABBNZJFMSA-N
InChI
InChI=1S/C42H58O6/c1-29(18-14-19-31(3)22-23-37-38(6,7)26-35(47-33(5)43)27-40(37,10)46)16-12-13-17-30(2)20-15-21-32(4)36(45)28-42-39(8,9)24-34(44)25-41(42,11)48-42/h12-22,34-35,44,46H,24-28H2,1-11H3/b13-12+,18-14+,20-15+,29-16+,30-17+,31-19+,32-21+/t23?,34-,35-,40+,41+,42-/m0/s1
Canonical SMILES
CC(=O)OC1CC(C)(C)C(=C=CC(C)=CC=CC(C)=CC=CC=C(C)C=CC=C(C)C(=O)CC23OC2(C)CC(O)CC3(C)C)C(C)(O)C1
Isomeric SMILES
C/C(=C\C=C\C=C(/C)\C=C\C=C(/C)\C(=O)C[C@]12[C@](O1)(C[C@H](CC2(C)C)O)C)/C=C/C=C(\C)/C=C=C3[C@](C[C@H](CC3(C)C)OC(=O)C)(C)O

Synonyms

  • all-trans-Fucoxanthin
  • (3'S,5'R,6'R)-3'-acetoxy-5,6-epoxy-3,5'-dihydroxy-6',7'-didehydro-5,6,7,8,5',6'-hexahydro-beta,beta-caroten-8-one
  • (3S,5R,6S,3'S,5'R,6'R)-3,5'-dihydroxy-8-oxo-6',7'-didehydro-5,6-epoxy-5,6,7,8,5',6'-hexahydro-beta,beta-caroten-3'-yl acetate
  • (3S,3'S,5R,5'R,6S,6'R)-3'-(acetyloxy)-6',7'-didehydro-5,6-epoxy-5,5',6,6',7,8-hexahydro-3,5'-dihydroxy-8-oxo-beta,beta-carotene
  • Fucoxanthin, all-trans-
  • Fucoxanthine
  • alpha-Carotene, 6',7'-didehydro-5,6-epoxy-4',5,5',6,7,8-hexahydro-3,3',5'-trihydroxy-8-oxo-, 3'-acetate, all-trans-
  • (all-E)-fucoxanthin
  • Fucoxanthine - 10%
  • Fucoxanthine - 50%
  • Fucoxanthin (Standard)
  • 5-18-04-00673 (Beilstein Handbook Reference)
  • Fucoxanthin, analytical standard
  • Sjwwtrqnnrntpu-abbnzjfmsa-
  • Fucoxanthin, carotenoid antioxidant
  • Fucoxanthin (from Wakame) (Brown Seaweed) (Undaria Pinnatifida)
  • beta,beta-Carotene, 3'-(acetyloxy)-6',7'-didehydro-5,6-epoxy-5,5',6,6',7,8-hexahydro-3,5'-dihydroxy-8-oxo-, (3S,3'S,5R,5'R,6S,6'R)-
  • All-e-(3S,5R,6S,3's,5'r,6'r)-fucoxanthin
  • (3S,3's,5R,5'r,6S,6'r)-6',7'-Didehydro-5,6-epoxy-4',5',6,7-tetrahydro-3,3',5'-trihydroxy-beta,beta-caroten-8(5H)-one
  • (3S,3'S,5R,5'R,6S,6'R,8'R)-3,5'-dihydroxy-8-oxo-6',7'-didehydro-5,5',6,6',7,8-hexahydro-5,6-epoxy-beta,beta-caroten-3'-
  • (3S,3'S,5R,5'R,6S,6'R,8'R)-3,5'-dihydroxy-8-oxo-6',7'-didehydro-5,5',6,6',7,8-hexahydro-5,6-epoxy-beta,beta-caroten-3'-yl acetate
  • alpha-carotene, 6',7'-didehydro-5,6-epoxy-4',5,5',6,7,8-hexahydro-3,3',5'-trihydroxy-8-oxo-, 3'-acetate
  • beta,beta-caroten-8(5H)-one, 6',7'-didehydro-5,6-epoxy-4',5',6,7-tetrahydro-3,3',5'-trihydroxy-, (3S,3's,5R,5'r,6S,6'r)-
  • 6',7'-Didehydro-5,6-epoxy-4',5,5',6,7,8-hexahydro-3,3',5'-trihydroxy-8-oxo-alpha-carotene 3'-acetate
  • 6'R,?7'-?didehydro-?5R,?6-?epoxy-?4',?5',?6S,?7-?tetrahydro-?3S,?3'S,?5'R-?trihydroxy-?|A,?|A-?caroten-?8(5H)-?one
Show all 26 synonyms
  • 6'R,7'-didehydro-5R,6-epoxy-4',5',6S,7-tetrahydro-3S,3'S,5'R-trihydroxy-|A,|A-caroten-8(5H)-one

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
658.92 g/molcalc.
Exact mass
658.4233 Dacalc.
LogP (octanol/water)
8.69calc.
Topological polar surface area
96.36 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
11calc.
Heavy atoms
48calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(C=CC=CC=CC=CC=CC=CC=CC=C=C1CCCCC1)CC12CCCCC1O2

O=C(C=CC=CC=CC=CC=CC=CC=CC=C=C1CCCCC1)CC12CCCCC1O2

3 rings, 32 atoms.

5 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Fucoxanthin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 12 suppliers
12 of 12 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

12 suppliers in 3 countries

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Fucoxanthin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name FUCOXANTHIN(skin conditioning)

Roles

  • CFTR potentiator
  • additive
  • algal metabolite
  • antioxidant
  • apoptosis inhibitor
  • biophysical role
  • eukaryotic metabolite
  • food additive
  • food antioxidant
  • food component
  • food preservative
  • hepatoprotective agent
  • hypoglycemic agent
  • marine metabolite
  • membrane transport modulator
  • metabolite
  • neuroprotective agent
  • pharmaceutical
  • physiological role
  • plant metabolite
  • protective agent

Cosmetic functions

  • Skin conditioning

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Fucoxanthin is traded under.

HS 2915.39Indicative HS code

Esters of acetic acid, other

World exports in 2024
$2.03B
+7.9% vs 2023, imports $1.95B
2019 to 2024
Top exporters
  1. China58.0%
  2. United States7.3%
  3. Germany6.5%
Top importers
  1. Singapore15.6%
  2. South Korea7.2%
  3. Indonesia6.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Fucoxanthin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Fucoxanthin, based on the data on this page

What is Fucoxanthin?

Fucoxanthin is an epoxycarotenol that is found in brown seaweed and which exhibits anti-cancer, anti-diabetic, anti-oxidative and neuroprotective properties.

What is the CAS number of Fucoxanthin?

The CAS registry number of Fucoxanthin is 3351-86-8.

What is the molecular formula and weight of Fucoxanthin?

The molecular formula of Fucoxanthin is C42H58O6 and its molar mass is 658.92 g/mol.

What is Fucoxanthin used for?

Known uses and roles of Fucoxanthin include skin conditioning agents in cosmetics and personal care, antioxidants in food and beverage, cftr potentiator, additive, algal metabolite and 19 more.

Is Fucoxanthin hazardous?

No GHS hazard classification for Fucoxanthin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Fucoxanthin?

Fucoxanthin is usually classified under HS code 291539 (Esters of acetic acid, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fucoxanthin?

CompoundList lists 12 suppliers of Fucoxanthin in China, Canada and Spain. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fucoxanthin?

Suppliers quote Fucoxanthin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Fucoxanthin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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