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Musks and fixatives

11-Oxahexadecanolide

Also known as 1,7-Dioxacycloheptadecan-8-one, Musk R 1, Musk R-1

CAS 3391-83-1Formula C15H28O3Molar mass 256.39 g/molEC 222-225-5
5 suppliers listed
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11-Oxahexadecanolide chemical structure, C15H28O3, CAS 3391-83-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3391-83-1
Formula
C15H28O3
Molar mass
256.39 g/mol
EC number
222-225-5
HS code
293220
Category
Musks and fixatives

What is 11-Oxahexadecanolide?

Plain description, key identifiers and synonyms

11-Oxahexadecanolide is a macrolide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,7-dioxacycloheptadecan-8-one
CAS number
3391-83-1 CAS number cross-checked
EC number
222-225-5
Molecular formula
C15H28O3
INCI name
MUSK R1
InChIKey
MKEIDVFLAWJKMY-UHFFFAOYSA-N
InChI
InChI=1S/C15H28O3/c16-15-11-7-4-2-1-3-5-8-12-17-13-9-6-10-14-18-15/h1-14H2
SMILES (canonical and isomeric)
C1CCCCC(=O)OCCCCCOCCCC1

Synonyms

  • 1,7-Dioxacycloheptadecan-8-one
  • Musk R 1
  • Musk R-1
  • 11-Oxahexadecan-16-olide
  • 1,7-Dioxacycloheptadecan-17-one
  • 16-Hydroxy-11-oxahexadecanoic acid, omega-lactone
  • Decanoic acid, 10-((5-hydroxypentyl)oxy)-, o-lactone
  • 11-Oxa-16-hexadecanolid
  • Musk R 1 98%
  • 11-Oxa-16-hexadecanolide 98%
  • Decanoic acid, 10-[(5-hydroxypentyl)oxy]-, omicron-lactone

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
256.39 g/molcalc.
Exact mass
256.2038 Dacalc.
LogP (octanol/water)
3.85calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
18calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.93calc.
Formal charge
0calc.
Stereocentres
0calc.
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, O=C1CCCCCCCCCOCCCCCO1

O=C1CCCCCCCCCOCCCCCO1

1 ring, 18 atoms. This chemical is the scaffold itself.

No other chemical in our database has 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.

11-Oxahexadecanolide suppliers

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All 5 suppliers
5 of 5 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

5 suppliers in 1 country

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11-Oxahexadecanolide 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 MUSK R1(perfuming)

Functional uses

  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 11-Oxahexadecanolide is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

The HS code shown for 11-Oxahexadecanolide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 11-Oxahexadecanolide, based on the data on this page

What is 11-Oxahexadecanolide?

11-Oxahexadecanolide is a macrolide.

What is the CAS number of 11-Oxahexadecanolide?

The CAS registry number of 11-Oxahexadecanolide is 3391-83-1.

What is the molecular formula and weight of 11-Oxahexadecanolide?

The molecular formula of 11-Oxahexadecanolide is C15H28O3 and its molar mass is 256.39 g/mol.

What is 11-Oxahexadecanolide used for?

Known uses and roles of 11-Oxahexadecanolide include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, esters and lactones in flavors and fragrances, musks and fixatives in flavors and fragrances, perfuming and 1 more.

Is 11-Oxahexadecanolide hazardous?

No GHS hazard classification for 11-Oxahexadecanolide 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 11-Oxahexadecanolide?

11-Oxahexadecanolide is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 11-Oxahexadecanolide?

CompoundList lists 5 suppliers of 11-Oxahexadecanolide in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 11-Oxahexadecanolide?

Suppliers quote 11-Oxahexadecanolide 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 11-Oxahexadecanolide

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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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