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Screening compounds

Chlorfluazuron

Also known as Atabron, Benzamide, N-(((3,5-dichloro-4-((3-chloro-5-(trifluoromethyl)-2-pyridinyl)oxy)phenyl)amino)carbonyl)-2,6-difluoro-, N-[(3,5-dichloro-4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)carbamoyl]-2,6-difluorobenzamide

CAS 71422-67-8Formula C20H9Cl3F5N3O3Molar mass 540.66 g/molEC 615-292-0
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 11 suppliers listed
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Chlorfluazuron chemical structure, C20H9Cl3F5N3O3, CAS 71422-67-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71422-67-8
Formula
C20H9Cl3F5N3O3
Molar mass
540.66 g/mol
EC number
615-292-0
HS code
293339
Category
Screening compounds

What is Chlorfluazuron?

Plain description, key identifiers and synonyms

Chlorfluazuron is a dichlorobenzene, an organochlorine insecticide, a benzoylurea insecticide and an organofluorine insecticide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[[3,5-dichloro-4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenyl]carbamoyl]-2,6-difluorobenzamide
CAS number
71422-67-8 CAS number cross-checked
EC number
615-292-0
Molecular formula
C20H9Cl3F5N3O3
UNII
Q42JG8449K
MDL number
MFCD00143948
InChIKey
UISUNVFOGSJSKD-UHFFFAOYSA-N
InChI
InChI=1S/C20H9Cl3F5N3O3/c21-10-5-9(30-19(33)31-17(32)15-13(24)2-1-3-14(15)25)6-11(22)16(10)34-18-12(23)4-8(7-29-18)20(26,27)28/h1-7H,(H2,30,31,32,33)
SMILES (canonical and isomeric)
C1=CC(=C(C(=C1)F)C(=O)NC(=O)NC2=CC(=C(C(=C2)Cl)OC3=C(C=C(C=N3)C(F)(F)F)Cl)Cl)F

Synonyms

  • Atabron
  • Benzamide, N-(((3,5-dichloro-4-((3-chloro-5-(trifluoromethyl)-2-pyridinyl)oxy)phenyl)amino)carbonyl)-2,6-difluoro-
  • N-[(3,5-dichloro-4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)carbamoyl]-2,6-difluorobenzamide
  • chlorofluzuron
  • Benzamide, N-[[[3,5-dichloro-4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenyl]amino]carbonyl]-2,6-difluoro-
  • N-((3,5-dichloro-4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)carbamoyl)-2,6-difluorobenzamide
  • 2,4-IKI
  • N-(2,6-difluorobenzoyl)-N'-(3,5-dichloro-4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)pheyl)urea
  • N-(4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)-3,5-dichlorophenyl)-N(1)-(2,6-difluorobenzoyl)urea
  • N-[[3,5-dichloro-4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxyphenyl]carbamoyl]-2,6-difluorobenzamide
  • C20H9Cl3F5N3O3
  • IKI 7899
  • PP 145
  • CGA 112913
  • UC 62644
  • Uisunvfogsjskd-uhfffaoysa-
  • Chlorfluazuron 10 |Ig/mL in Cyclohexane
  • N-(((3,5-dichloro-4-((3-chloro-5-(trifluoromethyl)-2-pyridinyl)oxy)phenyl)amino)carbonyl)-2,6-difluorobenzamide
  • N-[[3,5-dichloro-4-[[3-chloro-5-(trifluoromethyl)-2-pyridyl]oxy]phenyl]carbamoyl]-2,6-difluoro-benzamide
  • Chlorfluazuron 1000 microg/mL in Acetone
  • Chlorfluazuron 10 microg/mL in Cyclohexane
  • Chlorfluazuron, PESTANAL(R), analytical standard
  • N-[[3,5-dichloro-4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxyphenyl]carbamoyl
  • 1-(3,5-Dichloro-4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenyl)-3-(2,6-difluorobenzoyl)urea
  • 1-{3,5-Dichloro-4-[3-chloro-5-(trifluoromethyl)pyridin-2-yloxy]phenyl}-3-(2,6-difluorobenzoyl)urea
Show all 27 synonyms
  • N-[[[3,5-Dichloro-4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenyl]amino]carbonyl]-2,6-difluorobenzamide, Chlorfluazuron
  • Pesticide3_Chlorfluazuron_C20H9Cl3F5N3O3_Benzamide, N-[[[3,5-dichloro-4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenyl]amino]carbonyl]-2,6-difluoro-

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
540.66 g/molcalc.
Exact mass
538.963 Dacalc.
LogP (octanol/water)
7.09calc.
Topological polar surface area
80.32 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
34calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.05calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 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=C(NC(=O)c1ccccc1)Nc1ccc(Oc2ccccn2)cc1

O=C(NC(=O)c1ccccc1)Nc1ccc(Oc2ccccn2)cc1

3 rings, 25 atoms.

8 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H319Causes serious eye irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.
  • P391Collect spillage.
  • 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

Chlorfluazuron suppliers

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

All 11 suppliers
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Where suppliers are based

11 suppliers in 2 countries

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Chlorfluazuron price

Indicative price range per kg from live supplier offers

No published prices right now

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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 Chlorfluazuron is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Chlorfluazuron?

Chlorfluazuron is a dichlorobenzene, an organochlorine insecticide, a benzoylurea insecticide and an organofluorine insecticide.

What is the CAS number of Chlorfluazuron?

The CAS registry number of Chlorfluazuron is 71422-67-8.

What is the molecular formula and weight of Chlorfluazuron?

The molecular formula of Chlorfluazuron is C20H9Cl3F5N3O3 and its molar mass is 540.66 g/mol.

What is Chlorfluazuron used for?

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

Is Chlorfluazuron hazardous?

Chlorfluazuron carries the GHS signal word "Warning". Main hazards: causes serious eye irritation, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Chlorfluazuron?

Chlorfluazuron is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chlorfluazuron?

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

Where can I buy Chlorfluazuron in India?

1 supplier in India list Chlorfluazuron on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Chlorfluazuron?

Suppliers quote Chlorfluazuron 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 Chlorfluazuron

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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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