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Analgesics and anti-inflammatories

Mofebutazone

Also known as 4-butyl-1-phenylpyrazolidine-3,5-dione, Monophenylbutazone, Mophebutazone

CAS 2210-63-1Formula C13H16N2O2Molar mass 232.28 g/molEC 218-641-1
GHS signal word: Warning. Pictograms: Harmful or irritant
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Mofebutazone chemical structure, C13H16N2O2, CAS 2210-63-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2210-63-1
Formula
C13H16N2O2
Molar mass
232.28 g/mol
EC number
218-641-1
HS code
293319
Category
Analgesics and anti-inflammatories

What is Mofebutazone?

Plain description, key identifiers and synonyms

Mofebutazone is a pyrazolidine that is phenylbutazone lacking one of the phenyl substituents. It is used for treatment of joint and muscular pain. It has a role as a non-steroidal anti-inflammatory drug and a non-narcotic analgesic.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-butyl-1-phenylpyrazolidine-3,5-dione
CAS number
2210-63-1 CAS number cross-checked
EC number
218-641-1
Molecular formula
C13H16N2O2
UNII
SPW36WUI5Z
MDL number
MFCD00022559
InChIKey
REOJLIXKJWXUGB-UHFFFAOYSA-N
InChI
InChI=1S/C13H16N2O2/c1-2-3-9-11-12(16)14-15(13(11)17)10-7-5-4-6-8-10/h4-8,11H,2-3,9H2,1H3,(H,14,16)
SMILES (canonical and isomeric)
CCCCC1C(=O)NN(C1=O)C2=CC=CC=C2

Synonyms

  • 4-butyl-1-phenylpyrazolidine-3,5-dione
  • Monophenylbutazone
  • Mophebutazone
  • 2 Fdbp
  • Mofebutazona
  • Mofebutazonum
  • Monazone
  • 4-Butyl-1-phenyl-3,5-pyrazolidinedione
  • 4-Butyl-1-phenyl-3,5-dioxopyrazolidine
  • 2-Phenyl-3,5-dihydroxy-4-butylpyrazolidine
  • 1-phenyl-4-n-butyl-3,5-dioxopyrazolidine
  • Mobutazon
  • Mobuzon
  • Mobutazone
  • Monorheumetten
  • Monazan
  • Monobutyl
  • Reumatox
  • Mozol
  • Arcobutine
  • Corbuton
  • Monomil
  • Monozon
  • Arcomonol tablets
  • 3,5-Pyrazolidinedione, 4-butyl-1-phenyl-
Show all 33 synonyms
  • Mofebutazone (INN)
  • 1-Phenyl-4-butyl-3,5-pyrazolidinedione
  • 4-Butyl-3,5-diketo-1-phenylpyrazolidine
  • Mofesal
  • Monazon
  • mofebutazon
  • Monazone (TN)
  • 3, 4-butyl-1-phenyl-

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
232.28 g/molcalc.
Exact mass
232.1212 Dacalc.
LogP (octanol/water)
1.87calc.
Topological polar surface area
49.41 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.39calc.
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, O=C1CC(=O)N(c2ccccc2)N1

O=C1CC(=O)N(c2ccccc2)N1

2 rings, 13 atoms, the 1-Phenylpyrazolidine-3,5-dione ring system.

32 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

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Mofebutazone suppliers

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Mofebutazone 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

Pharmacological actions

  • Anti-Inflammatory Agents, Non-Steroidal

Roles

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

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Mofebutazone (INN), Ref no: 64, Annex ref: II/64

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.19Indicative HS code

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.44B
−22.6% vs 2023, imports $6.66B
2019 to 2024
Top exporters
  1. China21.6%
  2. Switzerland * partner reported20.5%
  3. Germany19.0%
Top importers
  1. Slovenia38.4%
  2. Portugal14.1%
  3. Brazil13.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Mofebutazone?

Mofebutazone is a pyrazolidine that is phenylbutazone lacking one of the phenyl substituents. It is used for treatment of joint and muscular pain. It has a role as a non-steroidal anti-inflammatory drug and a non-narcotic analgesic.

What is the CAS number of Mofebutazone?

The CAS registry number of Mofebutazone is 2210-63-1.

What is the molecular formula and weight of Mofebutazone?

The molecular formula of Mofebutazone is C13H16N2O2 and its molar mass is 232.28 g/mol.

What is Mofebutazone used for?

Known uses and roles of Mofebutazone include analgesics and antipyretics in pharmaceuticals, anti-inflammatories in pharmaceuticals, analgesic, anti-inflammatory agent, anti-inflammatory drug and 5 more.

Is Mofebutazone hazardous?

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

What is the HS code of Mofebutazone?

Mofebutazone is usually classified under HS code 293319 (Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Mofebutazone?

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What is the price of Mofebutazone?

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Guides for buyers

Practical guides that help when you source, ship or handle Mofebutazone

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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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