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Amines and amides

Monomethylmonuron

Also known as 1-(4-chlorophenyl)-3-methylurea, 3-(4-Chlorophenyl)-1-methylurea, p-CPMU

CAS 5352-88-5Formula C8H9ClN2OMolar mass 184.63 g/molEC 688-804-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe)
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Monomethylmonuron chemical structure, C8H9ClN2O, CAS 5352-88-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5352-88-5
Formula
C8H9ClN2O
Molar mass
184.63 g/mol
EC number
688-804-3
HS code
292421
Category
Amines and amides

What is Monomethylmonuron?

Plain description, key identifiers and synonyms

3-(4-chlorophenyl)-1-methylurea is an a 1-methyl-3-phenylurea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(4-chlorophenyl)-3-methylurea
CAS number
5352-88-5 CAS number cross-checked
EC number
688-804-3
Molecular formula
C8H9ClN2O
MDL number
MFCD00018546
InChIKey
XOXCBXRQHPLFNA-UHFFFAOYSA-N
InChI
InChI=1S/C8H9ClN2O/c1-10-8(12)11-7-4-2-6(9)3-5-7/h2-5H,1H3,(H2,10,11,12)
SMILES (canonical and isomeric)
CNC(=O)NC1=CC=C(C=C1)Cl

Synonyms

  • 1-(4-chlorophenyl)-3-methylurea
  • 3-(4-Chlorophenyl)-1-methylurea
  • p-CPMU
  • N-(4-Chlorophenyl)-N'-methylurea
  • N-Methyl-N'-(4-chlorophenyl)urea
  • Urea, N-(4-chlorophenyl)-N'-methyl-
  • 1-(p-Chlorophenyl)-3-methylurea
  • 3-(p-Chlorophenyl)-1-methylurea
  • N-(p-Chlorophenyl)-N'-methylurea
  • Urea, 1-(p-chlorophenyl)-3-methyl-
  • 3-(4-Chlorophenyl)methyl urea
  • monuron-monodemethyl
  • N-4-chlorophenyl-N'-methyl urea
  • N'-(4-chlorophenyl)-N-methylurea
  • 1-(4-chlorophenyl)-3-methyl-urea
  • 1-(4-Chloro-phenyl)-3-methyl-urea

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
184.63 g/molcalc.
Exact mass
184.0403 Dacalc.
LogP (octanol/water)
2.09calc.
Topological polar surface area
41.13 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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

Monomethylmonuron suppliers

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Monomethylmonuron 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 Monomethylmonuron is traded under.

HS 2924.21Indicative HS code

Ureines and their derivatives, salts thereof

World exports in 2024
$149M
+12.5% vs 2023, imports $208M
2019 to 2024
Top exporters
  1. Germany25.4%
  2. China14.4%
  3. Israel12.0%
Top importers
  1. Brazil28.2%
  2. United States14.0%
  3. Japan10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Monomethylmonuron?

3-(4-chlorophenyl)-1-methylurea is an a 1-methyl-3-phenylurea.

What is the CAS number of Monomethylmonuron?

The CAS registry number of Monomethylmonuron is 5352-88-5.

What is the molecular formula and weight of Monomethylmonuron?

The molecular formula of Monomethylmonuron is C8H9ClN2O and its molar mass is 184.63 g/mol.

What is Monomethylmonuron used for?

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

Is Monomethylmonuron hazardous?

Monomethylmonuron 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 Monomethylmonuron?

Monomethylmonuron is usually classified under HS code 292421 (Ureines and their derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Monomethylmonuron?

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What is the price of Monomethylmonuron?

Suppliers quote Monomethylmonuron 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 Monomethylmonuron

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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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