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Cosmetic antioxidants

Fucosterol

Also known as Fucosterin, (24E)-24-N-Propylidenecholesterol, trans-24-Ethylidenecholesterol

CAS 17605-67-3Formula C29H48OMolar mass 412.70 g/mol
3 suppliers listed
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Fucosterol chemical structure, C29H48O, CAS 17605-67-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17605-67-3
Formula
C29H48O
Molar mass
412.70 g/mol
HS code
290613
Category
Cosmetic antioxidants

What is Fucosterol?

Plain description, key identifiers and synonyms

Fucosterol is a 3beta-sterol consisting of stigmastan-3beta-ol with double bonds at positions 5 and 24(28). It has a role as an antioxidant, a metabolite and a hepatoprotective agent. It is a 3beta-hydroxy-Delta(5)-steroid, a C29-steroid, a member of phytosterols and a 3beta-sterol. It derives from a hydride of a stigmastane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(E,2R)-5-propan-2-ylhept-5-en-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
CAS number
17605-67-3 CAS number cross-checked
Molecular formula
C29H48O
UNII
504ZAM710C
MDL number
MFCD28016319
INCI name
FUCOSTEROL
InChIKey
OSELKOCHBMDKEJ-JUGJNGJRSA-N
InChI
InChI=1S/C29H48O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h7,10,19-20,23-27,30H,8-9,11-18H2,1-6H3/b21-7+/t20-,23+,24+,25-,26+,27+,28+,29-/m1/s1
Canonical SMILES
CC=C(CCC(C)C1CCC2C3CC=C4CC(O)CCC4(C)C3CCC12C)C(C)C
Isomeric SMILES
C/C=C(\CC[C@@H](C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C)/C(C)C

Synonyms

  • Fucosterin
  • (24E)-24-N-Propylidenecholesterol
  • trans-24-Ethylidenecholesterol
  • Stigmasta-5,24(28)-dien-3-ol, (3beta,24E)-
  • (24E)-stigmasta-5,24(28)-dien-3beta-ol
  • (3beta,24E)-Stigmasta-5,24(28)-dien-3-ol
  • 24E-ethylidene-cholest-5-en-3beta-ol
  • (E)-Stigmasta-5,24(28)-dien-3beta-ol
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(E,2R)-5-propan-2-ylhept-5-en-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
  • (3beta,24E)-stigmasta-5,24(28)-dien-ol
  • stigmasta-5,24-dien-3 beta-ol
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((E,2R)-5-propan-2-ylhept-5-en-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3-ol
  • 24Z-ethylidenecholest-5-en-3B-ol
  • 24-isoethylidenecholest-5-en-3 beta-ol,delta(5)-avenasterol
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((Z,2R)-5-propan-2-ylhept-5-en-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3-ol
  • 28-Isofucosterol
  • Stigmasta-5,24(28)-dien-3beta-ol, (E)-
  • (3ss,24E)-Stigmasta-5,24(28)-dien-3-ol, trans-Stigmasta-5,24(28)dien-3ss-ol, Fucosterin
  • 24(E)-Ethylidenecholest-5-en-3beta-ol
  • 24-Isoethylidenecholest-5-en-3beta-ol, delta(5)-avenasterol
  • 5,24(28)e-stigmastadien-3beta-ol
  • Stigmasta-5,24(28)-dien-3-ol, (3|A,24E)-
  • (3S,8S,9S,10R,13R,14S,17R)-17-[(E,1R)-4-isopropyl-1-methyl-hex-4-enyl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
  • Fucosterol(24E)-24-N-Propylidenecholesterol, trans-24-Ethylidenecholesterol, Stigmasta-5,24(28)-dien-3-ol, (3beta,24E)-

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
412.70 g/molcalc.
Exact mass
412.3705 Dacalc.
LogP (octanol/water)
7.94calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
5calc.
Heavy atoms
30calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
0calc.
Stereocentres
8calc.
Lipinski rule of five
Passes (1 violation)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, C1=C2CCCCC2C2CCC3CCCC3C2C1

C1=C2CCCCC2C2CCC3CCCC3C2C1

4 rings, 17 atoms.

1,163 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.

Fucosterol suppliers

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All 3 suppliers
  • AHK Naturals Inc
    Canada, Richmond Hill ManufacturerUnclaimed profile
    FucosterolGrade, purity and minimum order on request
    Price on request
    View
  • BroadPharm
    United States, San DiegoUnclaimed profile
    FucosterolGrade, purity and minimum order on request
    Price on request
    View
  • Kyfora Bio
    United States, HorshamUnclaimed profile
    FucosterolGrade, purity and minimum order on request
    Price on request
    View

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

3 suppliers in 2 countries

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Fucosterol 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 FUCOSTEROL(antioxidant, skin conditioning - emollient, hair conditioning, skin conditioning)

Roles

  • antioxidant
  • hepatoprotective agent
  • metabolite
  • pharmaceutical
  • protective agent

Functional uses

  • Antioxidant
  • Humectant
  • Softener and conditioner

Cosmetic functions

  • Antioxidant
  • Hair conditioning
  • Skin conditioning
  • Skin conditioning - emollient
  • Skin protecting

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 Fucosterol is traded under.

HS 2906.13Indicative HS code

Sterols and inositols

World exports in 2024
$316M
−12.1% vs 2023, imports $291M
2019 to 2024
Top exporters
  1. China42.0%
  2. United States16.4%
  3. Netherlands9.6%
Top importers
  1. Ecuador * partner reported13.0%
  2. China13.0%
  3. United States9.4%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Fucosterol?

Fucosterol is a 3beta-sterol consisting of stigmastan-3beta-ol with double bonds at positions 5 and 24(28). It has a role as an antioxidant, a metabolite and a hepatoprotective agent. It is a 3beta-hydroxy-Delta(5)-steroid, a C29-steroid, a member of phytosterols and a 3beta-sterol.

What is the CAS number of Fucosterol?

The CAS registry number of Fucosterol is 17605-67-3.

What is the molecular formula and weight of Fucosterol?

The molecular formula of Fucosterol is C29H48O and its molar mass is 412.70 g/mol.

What is Fucosterol used for?

Known uses and roles of Fucosterol include emollients in cosmetics and personal care, antioxidants in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, hair conditioning agents in cosmetics and personal care, antioxidant and 10 more.

Is Fucosterol hazardous?

No GHS hazard classification for Fucosterol 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 Fucosterol?

Fucosterol is usually classified under HS code 290613 (Sterols and inositols). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fucosterol?

CompoundList lists 3 suppliers of Fucosterol in United States and Canada. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fucosterol?

Suppliers quote Fucosterol 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 Fucosterol

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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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