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Analgesics and anti-inflammatories

Fenbufen

Also known as 4-(4-Biphenylyl)-4-oxobutyric acid, 3-(4-Biphenylylcarbonyl)propionic acid, 3-(4-Phenylbenzoyl)propionic acid

CAS 36330-85-5Formula C16H14O3Molar mass 254.29 g/molEC 252-979-0
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 26 suppliers listed
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Fenbufen chemical structure, C16H14O3, CAS 36330-85-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
36330-85-5
Formula
C16H14O3
Molar mass
254.29 g/mol
EC number
252-979-0
HS code
291830
Category
Analgesics and anti-inflammatories

What is Fenbufen?

Plain description, key identifiers and synonyms

Fenbufen is a member of biphenyls and a 4-oxo monocarboxylic acid. It has a role as a non-steroidal anti-inflammatory drug.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-oxo-4-(4-phenylphenyl)butanoic acid
CAS number
36330-85-5 CAS number cross-checked
EC number
252-979-0
Molecular formula
C16H14O3
UNII
9815R1WR9B
MDL number
MFCD00056701
InChIKey
ZPAKPRAICRBAOD-UHFFFAOYSA-N
InChI
InChI=1S/C16H14O3/c17-15(10-11-16(18)19)14-8-6-13(7-9-14)12-4-2-1-3-5-12/h1-9H,10-11H2,(H,18,19)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C2=CC=C(C=C2)C(=O)CCC(=O)O

Synonyms

  • 4-(4-Biphenylyl)-4-oxobutyric acid
  • 3-(4-Biphenylylcarbonyl)propionic acid
  • 3-(4-Phenylbenzoyl)propionic acid
  • Fenbufene
  • 4-(biphenyl-4-yl)-4-oxobutanoic acid
  • Fenbufenum
  • gamma-Oxo(1,1'-biphenyl)-4-butanoic acid
  • 3-(4-Biphenylcarbonyl)propionic acid
  • CL 82,204
  • (1,1'-BIPHENYL)-4-BUTANOIC ACID, gamma-OXO-
  • 4-[1,1'-biphenyl-4-yl]-4-oxobutanoic acid
  • 4-(1,1'-biphenyl-4-yl)-4-oxobutanoic acid
  • Lederfen cp
  • Lederfen f
  • Fenbuzip 300
  • Fenbuzip 450
  • Lederfen 450
  • Lederfen
  • Cinopal
  • Bufemid
  • Napanol
  • 4-([1,1'-biphenyl]-4-yl)-4-oxobutanoic acid
  • 4-oxo-4-(4-phenylphenyl)butanoic acid
  • 4-(4-biphenyl)-4-oxobutyric acid
  • CL 82204
Show all 35 synonyms
  • 4-biphenyl-4-yl-4-oxobutanoic acid
  • Butyric acid 4-(4-biphenyl)-4-oxo-
  • Propionic acid, 3-(4-biphenylylcarbonyl)-
  • 3-(4-Phenyl)benzoyl propionic acid
  • [1,1'-Biphenyl]-4-butanoic acid, gamma-oxo-
  • 4-biphenyl-4-yl-4-oxobutyric acid
  • Cinopol
  • beta,p-Phenylbenzoylpropionic acid
  • Diphenyl-4-gamma-oxo-gamma-butyric acid
  • Fenbufen CRS

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
254.29 g/molcalc.
Exact mass
254.0943 Dacalc.
LogP (octanol/water)
3.4calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
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, c1ccc(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Fenbufen suppliers

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

All 26 suppliers
26 of 26 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

26 suppliers in 7 countries

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Fenbufen 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

Use classes: Pharmaceuticals.

Pharmacological actions

  • Anti-Inflammatory Agents, Non-Steroidal
  • Cyclooxygenase Inhibitors

Roles

  • anti-inflammatory agent
  • anti-inflammatory drug
  • antirheumatic drug
  • non-steroidal anti-inflammatory drug
  • pharmaceutical

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 Fenbufen is traded under.

HS 2918.30Indicative HS code

Carboxylic acids with aldehyde or ketone function but without other oxygen function…

World exports in 2024
$813M
−39.8% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China43.3%
  2. India * partner reported10.4%
  3. United States6.8%
Top importers
  1. Singapore33.1%
  2. Germany7.2%
  3. Japan6.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Fenbufen?

Fenbufen is a member of biphenyls and a 4-oxo monocarboxylic acid. It has a role as a non-steroidal anti-inflammatory drug.

What is the CAS number of Fenbufen?

The CAS registry number of Fenbufen is 36330-85-5.

What is the molecular formula and weight of Fenbufen?

The molecular formula of Fenbufen is C16H14O3 and its molar mass is 254.29 g/mol.

What is Fenbufen used for?

Use classes: Pharmaceuticals.

Is Fenbufen hazardous?

Fenbufen carries the GHS signal word "Danger". Main hazards: toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fenbufen?

Fenbufen is usually classified under HS code 291830 (Carboxylic acids with aldehyde or ketone function but without other oxygen function…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fenbufen?

CompoundList lists 26 suppliers of Fenbufen in China, United States, Germany, France and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fenbufen?

Suppliers quote Fenbufen 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 Fenbufen

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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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