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Skin conditioning agents and actives

Sepiwhite

Also known as undecylenoyl phenylalanine, Sepiwhite msh, undecylenoylphenylalanine

CAS 175357-18-3Formula C20H29NO3Molar mass 331.46 g/molEC 446-800-7
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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Sepiwhite chemical structure, C20H29NO3, CAS 175357-18-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
175357-18-3
Formula
C20H29NO3
Molar mass
331.46 g/mol
EC number
446-800-7
HS code
292429
Category
Skin conditioning agents and actives

What is Sepiwhite?

Plain description, key identifiers and synonyms

Sepiwhite is a chemical substance with the molecular formula C20H29NO3 and a molar mass of 331.46 g/mol. Its CAS registry number is 175357-18-3. The IUPAC name is (2S)-3-phenyl-2-(undec-10-enoylamino)propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-3-phenyl-2-(undec-10-enoylamino)propanoic acid
CAS number
175357-18-3 CAS number cross-checked
EC numbers
446-800-7, 806-191-4
Molecular formula
C20H29NO3
UNII
271P08C6OD
MDL number
MFCD17214414
INCI name
UNDECYLENOYL PHENYLALANINE
InChIKey
RTBWWWVNZWFNBV-SFHVURJKSA-N
InChI
InChI=1S/C20H29NO3/c1-2-3-4-5-6-7-8-12-15-19(22)21-18(20(23)24)16-17-13-10-9-11-14-17/h2,9-11,13-14,18H,1,3-8,12,15-16H2,(H,21,22)(H,23,24)/t18-/m0/s1
Canonical SMILES
C=CCCCCCCCCC(=O)NC(Cc1ccccc1)C(=O)O
Isomeric SMILES
C=CCCCCCCCCC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O

Synonyms

  • undecylenoyl phenylalanine
  • Sepiwhite msh
  • undecylenoylphenylalanine
  • Sepiwhite msh QD
  • N-Undecenoyl-L-phenylalanine
  • L-Phenylalanine, N-(1-oxo-10-undecenyl)-
  • L-Phenylalanine, N-(1-oxo-10-undecen-1-yl)-
  • (2S)-3-phenyl-2-(undec-10-enoylamino)propanoic Acid
  • (S)-3-Phenyl-2-(undec-10-enamido)propanoic acid
  • (2S)-3-phenyl-2-[[(E)-undec-2-enoyl]amino]propanoic Acid
  • Undecylenoyl phenylalanine (sepiwhite)
  • N-(1-oxo-10-undecen-1-yl)-L-Phenylalanine
  • Undecylenoyl-Phe-OH
  • Sepiwhite MSH powder
  • LGB UP
  • undec-10-enoyl-L-phenylalanine
  • N-Undec-10-enoyl-L-phenylalanine
  • (S,E)-3-phenyl-2-undec-2-enamidopropanoic Acid
  • Nano-Liposomal(Water Soluble) UNDECYLENOYL PHENYLALANINE(MSH)

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
331.46 g/molcalc.
Exact mass
331.2147 Dacalc.
LogP (octanol/water)
4.11calc.
Topological polar surface area
66.4 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
13calc.
Heavy atoms
24calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Sepiwhite suppliers

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

All 17 suppliers
17 of 17 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

17 suppliers in 5 countries

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Sepiwhite price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name UNDECYLENOYL PHENYLALANINE(skin conditioning)

Functional uses

  • Softener and conditioner

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 Sepiwhite is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Sepiwhite?

Sepiwhite is a chemical substance with the molecular formula C20H29NO3 and a molar mass of 331.46 g/mol. Its CAS registry number is 175357-18-3. The IUPAC name is (2S)-3-phenyl-2-(undec-10-enoylamino)propanoic acid.

What is the CAS number of Sepiwhite?

The CAS registry number of Sepiwhite is 175357-18-3.

What is the molecular formula and weight of Sepiwhite?

The molecular formula of Sepiwhite is C20H29NO3 and its molar mass is 331.46 g/mol.

What is Sepiwhite used for?

Known uses and roles of Sepiwhite include skin conditioning agents in cosmetics and personal care, skin conditioning and softener and conditioner.

Is Sepiwhite hazardous?

Sepiwhite carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Sepiwhite?

Sepiwhite is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Sepiwhite?

CompoundList lists 17 suppliers of Sepiwhite in China, France, India, Philippines and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Sepiwhite in India?

1 supplier in India list Sepiwhite on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Sepiwhite?

Suppliers quote Sepiwhite 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 Sepiwhite

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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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