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Aromatic building blocks

Lonaprofen

Also known as Lonaprofene, Lonaprofeno, Lonaprofen, (+)-

CAS 41791-49-5Formula C14H13ClO3Molar mass 264.71 g/molEC 255-555-3
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Lonaprofen chemical structure, C14H13ClO3, CAS 41791-49-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
41791-49-5
Formula
C14H13ClO3
Molar mass
264.71 g/mol
EC number
255-555-3
HS code
291899
Category
Aromatic building blocks

What is Lonaprofen?

Plain description, key identifiers and synonyms

Lonaprofen is a chemical substance with the molecular formula C14H13ClO3 and a molar mass of 264.71 g/mol. Its CAS registry number is 41791-49-5. The IUPAC name is methyl 2-(1-chloronaphthalen-2-yl)oxypropanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 2-(1-chloronaphthalen-2-yl)oxypropanoate
CAS number
41791-49-5 CAS number cross-checkedOther or deprecated CAS: 75186-77-5, 75186-78-6
EC number
255-555-3
Molecular formula
C14H13ClO3
UNII
4G86N0SVV3, E7HFC3GJC7, J67595729X
InChIKey
QMDJJUBPSFSPCR-UHFFFAOYSA-N
InChI
InChI=1S/C14H13ClO3/c1-9(14(16)17-2)18-12-8-7-10-5-3-4-6-11(10)13(12)15/h3-9H,1-2H3
SMILES (canonical and isomeric)
CC(C(=O)OC)OC1=C(C2=CC=CC=C2C=C1)Cl

Synonyms

  • Lonaprofene
  • Lonaprofeno
  • Lonaprofen, (+)-
  • Lonaprofen, (-)-
  • methyl 2-(1-chloronaphthalen-2-yl)oxypropanoate
  • Methyl 2-((1-chloro-2-naphthyl)oxy)propionate
  • (-)-Methyl 2-((1-chloro-2-naphthalenyl)oxy)propanoate
  • Lonaprofenum
  • Propanoic acid, 2-((1-chloro-2-naphthalenyl)oxy)-, methyl ester, (+)-
  • Propanoic acid, 2-((1-chloro-2-naphthalenyl)oxy)-, methyl ester, (-)-
  • alpha-(1-Chloro-2-naphthyloxy)propionic acid, methyl ester
  • Methyl 2-[(1-chloronaphthalen-2-yl)oxy]propanoate
  • (1-Chloro-2-naphthyloxy)propionic acid, methyl ester
  • (+)-Methyl 2-((1-chloro-2-naphthalenyl)oxy)propanoate

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
264.71 g/molcalc.
Exact mass
264.0553 Dacalc.
LogP (octanol/water)
3.43calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.21calc.
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, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 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.

Lonaprofen suppliers

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Lonaprofen 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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Lonaprofen?

Lonaprofen is a chemical substance with the molecular formula C14H13ClO3 and a molar mass of 264.71 g/mol. Its CAS registry number is 41791-49-5. The IUPAC name is methyl 2-(1-chloronaphthalen-2-yl)oxypropanoate.

What is the CAS number of Lonaprofen?

The CAS registry number of Lonaprofen is 41791-49-5. Other or deprecated CAS numbers: 75186-77-5, 75186-78-6.

What is the molecular formula and weight of Lonaprofen?

The molecular formula of Lonaprofen is C14H13ClO3 and its molar mass is 264.71 g/mol.

What is Lonaprofen used for?

Known uses and roles of Lonaprofen include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Lonaprofen hazardous?

No GHS hazard classification for Lonaprofen 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 Lonaprofen?

Lonaprofen is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lonaprofen?

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

What is the price of Lonaprofen?

Suppliers quote Lonaprofen 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 Lonaprofen

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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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