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Skin conditioning agents and actives

Hydroxyproline palmitamide

Also known as N-Palmitoylhydroxyproline, L-Proline, 4-hydroxy-1-(1-oxohexadecyl)-, (4R)-, L-Proline, 4-hydroxy-1-(1-oxohexadecyl)-, trans-

CAS 41736-92-9Formula C21H39NO4Molar mass 369.55 g/mol
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Hydroxyproline palmitamide chemical structure, C21H39NO4, CAS 41736-92-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
41736-92-9
Formula
C21H39NO4
Molar mass
369.55 g/mol
HS code
293399
Category
Skin conditioning agents and actives

What is Hydroxyproline palmitamide?

Plain description, key identifiers and synonyms

Hydroxyproline palmitamide is a chemical substance with the molecular formula C21H39NO4 and a molar mass of 369.55 g/mol. Its CAS registry number is 41736-92-9. The IUPAC name is (2S,4R)-1-hexadecanoyl-4-hydroxypyrrolidine-2-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,4R)-1-hexadecanoyl-4-hydroxypyrrolidine-2-carboxylic acid
CAS number
41736-92-9 CAS number cross-checked
Molecular formula
C21H39NO4
UNII
1FB378T0CE
INCI name
HYDROXYPROLINE PALMITAMIDE
InChIKey
SRHSPJGTSWHUTH-MOPGFXCFSA-N
InChI
InChI=1S/C21H39NO4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-20(24)22-17-18(23)16-19(22)21(25)26/h18-19,23H,2-17H2,1H3,(H,25,26)/t18-,19+/m1/s1
Canonical SMILES
CCCCCCCCCCCCCCCC(=O)N1CC(O)CC1C(=O)O
Isomeric SMILES
CCCCCCCCCCCCCCCC(=O)N1C[C@@H](C[C@H]1C(=O)O)O

Synonyms

  • N-Palmitoylhydroxyproline
  • L-Proline, 4-hydroxy-1-(1-oxohexadecyl)-, (4R)-
  • L-Proline, 4-hydroxy-1-(1-oxohexadecyl)-, trans-
  • N-Hexadecanoyl-4-Hydroxyproline
  • (2S,4R)-1-hexadecanoyl-4-hydroxypyrrolidine-2-carboxylic acid
  • N-Hexadecanoyl-4-Hydroxyproline,
  • (2S,4R)-4-hydroxy-1-palmitoylpyrrolidine-2-carboxylic acid
  • (4R)-1-Hexadecanoyl-4-hydroxy-L-proline

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
369.55 g/molcalc.
Exact mass
369.2879 Dacalc.
LogP (octanol/water)
4.51calc.
Topological polar surface area
77.84 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
15calc.
Heavy atoms
26calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.91calc.
Formal charge
0calc.
Stereocentres
2calc.
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, C1CCNC1

C1CCNC1

1 ring, 5 atoms, the Pyrrolidine ring system.

22,348 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.

Hydroxyproline palmitamide suppliers

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Hydroxyproline palmitamide 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 HYDROXYPROLINE PALMITAMIDE(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 Hydroxyproline palmitamide is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Hydroxyproline palmitamide, based on the data on this page

What is Hydroxyproline palmitamide?

Hydroxyproline palmitamide is a chemical substance with the molecular formula C21H39NO4 and a molar mass of 369.55 g/mol. Its CAS registry number is 41736-92-9. The IUPAC name is (2S,4R)-1-hexadecanoyl-4-hydroxypyrrolidine-2-carboxylic acid.

What is the CAS number of Hydroxyproline palmitamide?

The CAS registry number of Hydroxyproline palmitamide is 41736-92-9.

What is the molecular formula and weight of Hydroxyproline palmitamide?

The molecular formula of Hydroxyproline palmitamide is C21H39NO4 and its molar mass is 369.55 g/mol.

What is Hydroxyproline palmitamide used for?

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

Is Hydroxyproline palmitamide hazardous?

No GHS hazard classification for Hydroxyproline palmitamide 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 Hydroxyproline palmitamide?

Hydroxyproline palmitamide is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydroxyproline palmitamide?

Post a free request on CompoundList and suppliers of Hydroxyproline palmitamide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hydroxyproline palmitamide?

Suppliers quote Hydroxyproline palmitamide 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 Hydroxyproline palmitamide

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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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