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Food colors

Lutein A

Also known as Lutein, all-trans-Lutein, Vegetable lutein

CAS 127-40-2Formula C40H56O2Molar mass 568.89 g/molEC 204-840-0
133 suppliers listed Drug substance
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Lutein A chemical structure, C40H56O2, CAS 127-40-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
127-40-2
Formula
C40H56O2
Molar mass
568.89 g/mol
Physical form
Liquid
HS code
320418
Category
Food colors
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Lutein A?

Plain description, key identifiers and synonyms

Lutein is a carotenol. It has a role as a plant metabolite and a food colouring. It derives from a hydride of a (6'R)-beta,epsilon-carotene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R,4R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-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
CAS number
127-40-2 CAS number cross-checked
EC number
204-840-0
Molecular formula
C40H56O2
UNII
X72A60C9MT
MDL number
MFCD08435941
INCI name
XANTHOPHYLLS
InChIKey
KBPHJBAIARWVSC-RGZFRNHPSA-N
InChI
InChI=1S/C40H56O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-25,35-37,41-42H,26-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+/t35-,36+,37-/m0/s1
Canonical SMILES
CC(C=CC=C(C)C=CC1=C(C)CC(O)CC1(C)C)=CC=CC=C(C)C=CC=C(C)C=CC1C(C)=CC(O)CC1(C)C
Isomeric SMILES
CC1=C(C(C[C@@H](C1)O)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/[C@H]2C(=C[C@@H](CC2(C)C)O)C)/C)/C

Synonyms

  • Lutein
  • all-trans-Lutein
  • Vegetable lutein
  • Vegetable luteol
  • Xantofyl
  • trans-Lutein
  • all-trans-Xanthophyll
  • FloraGLO
  • FloraGLO Lutein
  • E 161b
  • Oro Glo 7
  • beta,epsilon-Carotene-3,3'-diol, (3R,3'R,6'R)-
  • Leutein
  • (3R,3'R,6'R)-beta,epsilon-carotene-3,3'-diol
  • OS 24
  • INS NO.161B(I)
  • INS-161B(I)
  • E-161B(I)
  • Leutin
  • gamma Lutein
  • Lutein, gamma
  • Noon for Kids
  • beta,epsilon-Carotene-3, 3'-Diol, (3R,3'R,6'S)-
  • beta,epsilon-Carotene-3,3'-diol, (3S,3'R,6'S)-
  • 4-(18-(4-hydroxy-2,6,6-trimethyl-1-cyclohex-2-enyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl)-3,5,5-trimethyl-cyclohex-3-en-1-ol
Show all 36 synonyms
  • Bo-Xan
  • all-trans-(+)-Xanthophyll
  • Lutein ester
  • Lutein, all-trans-
  • Xanthophyll, all-trans-(+)-
  • (3R,3'R,6'R)-Lutein
  • beta,epsilon-Carotene-3,3'-diol
  • Xanthophyll (~80%)
  • Lutein from tagetes erecta
  • ( inverted exclamation markA)-Lutein
  • Lutamax

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

Physical form
Liquidexp.

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
568.89 g/molcalc.
Exact mass
568.428 Dacalc.
LogP (octanol/water)
10.4calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
10calc.
Heavy atoms
42calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.45calc.
Formal charge
0calc.
Stereocentres
3calc.
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, C(=CC=CC=CC=CC=CC1C=CCCC1)C=CC=CC=CC=CC1=CCCCC1

C(=CC=CC=CC=CC=CC1C=CCCC1)C=CC=CC=CC=CC1=CCCCC1

2 rings, 30 atoms.

19 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.

Lutein A suppliers

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

All 133 suppliers
30 of 30 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

133 suppliers in 22 countries

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Lutein A price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Use classes: Food additives.

Cosmetic ingredient, INCI name XANTHOPHYLLS(skin conditioning)

Roles

  • additive
  • antiglaucoma drug
  • eukaryotic metabolite
  • food additive
  • food colouring
  • food component
  • metabolite
  • ophthalmology drug
  • pharmaceutical
  • physiological role
  • plant metabolite

Functional uses

  • Humectant
  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

Pharmacology

Lutein is lutein (LOO-teen) is a oxygenated carotenoid found in vegetables and fruits. lutein is found in the macula of the eye, where it is believed to act as a yellow filter. Lutein acts as an antioxidant, protecting cells against the damaging effects of free radicals.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels
  • Food additive

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 3204.18Indicative HS code

Carotenoid colouring matters and preparations based thereon

World exports in 2024
$696M
+8.0% vs 2023, imports $526M
2022 to 2024
Top exporters
  1. France * partner reported34.6%
  2. Netherlands31.7%
  3. Germany12.1%
Top importers
  1. Netherlands34.7%
  2. China6.3%
  3. France * partner reported5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Lutein A is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Lutein A, based on the data on this page

What is Lutein A?

Lutein is a carotenol. It has a role as a plant metabolite and a food colouring. It derives from a hydride of a (6'R)-beta,epsilon-carotene.

What is the CAS number of Lutein A?

The CAS registry number of Lutein A is 127-40-2.

What is the molecular formula and weight of Lutein A?

The molecular formula of Lutein A is C40H56O2 and its molar mass is 568.89 g/mol.

What is Lutein A used for?

Use classes: Food additives.

Is Lutein A hazardous?

No GHS hazard classification for Lutein A 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 Lutein A?

Lutein A is usually classified under HS code 320418 (Carotenoid colouring matters and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lutein A?

CompoundList lists 133 suppliers of Lutein A in China, United States, India, Spain and 18 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lutein A in India?

11 suppliers in India list Lutein A on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lutein A?

Suppliers quote Lutein A 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 Lutein A

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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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