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Plant growth regulators

Forchlorfenuron

Also known as CPPU, 1-(2-Chloro-4-pyridyl)-3-phenylurea, N-(2-Chloro-4-pyridyl)-N'-phenylurea

CAS 68157-60-8Formula C12H10ClN3OMolar mass 247.69 g/molEC 614-346-0
GHS signal word: Warning. Pictograms: Serious health hazard, Hazardous to the environment 36 suppliers listed
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Forchlorfenuron chemical structure, C12H10ClN3O, CAS 68157-60-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White to off-white crystalline powder
Melting point
165 to 170
Density
1.3839 at 25 °C
Flash point
FLASH POINT, °F: >200 Pensky Martin Closed Cup /Kim Blue Plant Growth Regulator/
Solubility
In water = 39 mg/L (pH 6.4, 21 °C)
HS code
293339
Category
Plant growth regulators
Illustrative photo, off-white crystalline powder with an amber glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Forchlorfenuron?

Plain description, key identifiers and synonyms

Forchlorfenuron is a member of the class of phenylureas that is urea substituted by a phenyl group and a 2-chloropyridin-4-yl group at positions 1 and 3 respectively. It is a plant growth regulator widely used in agriculture for improving fruit quality and fruit size. It has a role as a plant growth regulator. It is a member of phenylureas and a monochloropyridine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(2-chloro-4-pyridinyl)-3-phenylurea
CAS number
68157-60-8 CAS number cross-checked
EC number
614-346-0
Molecular formula
C12H10ClN3O
UNII
K62IP7463J
MDL number
MFCD00059898
InChIKey
GPXLRLUVLMHHIK-UHFFFAOYSA-N
InChI
InChI=1S/C12H10ClN3O/c13-11-8-10(6-7-14-11)16-12(17)15-9-4-2-1-3-5-9/h1-8H,(H2,14,15,16,17)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)NC(=O)NC2=CC(=NC=C2)Cl

Synonyms

  • CPPU
  • 1-(2-Chloro-4-pyridyl)-3-phenylurea
  • N-(2-Chloro-4-pyridyl)-N'-phenylurea
  • Sitofex
  • Urea, N-(2-chloro-4-pyridinyl)-N'-phenyl-
  • N-(2-Chloro-4-pyridinyl)-N'-phenylurea
  • N-Phenyl-N'-(2-chloro-4-pyridyl)urea
  • N-(2-chloropyridin-4-yl)-N'-phenylcarbamimidic acid
  • 1-(2-chloropyridin-4-yl)-3-phenylurea
  • 3-(2-chloropyridin-4-yl)-1-phenylurea
  • 4PU30 cpd
  • 1-(2-chloro-4-pyridinyl)-3-phenylurea
  • Forchior fennron
  • Forchlorfenuron (KT-30, CPPU)
  • Forchlorfenuron (CPPU)
  • Forchlorfenuron (Standard)
  • Forchlorfenuron 10 |Ig/mL in Methanol
  • Forchlorfenuron 10 microg/mL in Methanol
  • N-(2-chloropyridin-4-yl)-N'-phenylurea
  • N-(2-Chloro-4-pyridinyl)-N'-phenylurea #
  • N-(2-chloro(4-pyridyl))(phenylamino)carboxamide
  • Forchlorfenuron, PESTANAL(R), analytical standard
  • N-(2-Chloro-4-pyridyl)-N'-phenylurea, applicable for cell culture, BioReagent

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

Appearance
White to off-white crystalline powderexp.
Melting point
165 to 170exp.
Density
1.3839 at 25 °Cexp.
Flash point
FLASH POINT, °F: >200 Pensky Martin Closed Cup /Kim Blue Plant Growth Regulator/exp.
Solubility
In water = 39 mg/L (pH 6.4, 21 °C)exp.
Vapour pressure
3.45 × 10⁻¹⁰ mm Hg at 25 °C (gas saturation method)exp.

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
247.69 g/molcalc.
Exact mass
247.0512 Dacalc.
LogP (octanol/water)
3.38calc.
Topological polar surface area
54.02 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
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, O=C(Nc1ccccc1)Nc1ccncc1

O=C(Nc1ccccc1)Nc1ccncc1

2 rings, 16 atoms, the 1-Phenyl-3-(4-pyridyl)urea ring system.

44 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H351Suspected of causing cancer.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P391Collect spillage.
  • 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

Forchlorfenuron suppliers

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All 36 suppliers
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Where suppliers are based

36 suppliers in 3 countries

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Forchlorfenuron 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

Forchlorfenuron is a plant growth regulator registered for use on grapes raisins, and kiwifruit.

Plant growth regulator. Used to increase the size of kiwi fruit and table grapes.

Pharmacological actions

  • Plant Growth Regulators

Roles

  • growth regulator
  • plant growth regulator

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-254-00-8

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Forchlorfenuron (ISO), 1-(2-chloro-4-pyridyl)-3-phenylurea, Ref no: 1525, Annex ref: II/1525

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Forchlorfenuron 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 Forchlorfenuron is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Forchlorfenuron?

Forchlorfenuron is a member of the class of phenylureas that is urea substituted by a phenyl group and a 2-chloropyridin-4-yl group at positions 1 and 3 respectively. It is a plant growth regulator widely used in agriculture for improving fruit quality and fruit size. It has a role as a plant growth regulator.

What is the CAS number of Forchlorfenuron?

The CAS registry number of Forchlorfenuron is 68157-60-8.

What is the molecular formula and weight of Forchlorfenuron?

The molecular formula of Forchlorfenuron is C12H10ClN3O and its molar mass is 247.69 g/mol.

What is Forchlorfenuron used for?

Forchlorfenuron is a plant growth regulator registered for use on grapes raisins, and kiwifruit. Plant growth regulator. Used to increase the size of kiwi fruit and table grapes.

Is Forchlorfenuron hazardous?

Forchlorfenuron carries the GHS signal word "Warning". Main hazards: suspected of causing cancer, 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 Forchlorfenuron?

Forchlorfenuron 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 Forchlorfenuron?

CompoundList lists 36 suppliers of Forchlorfenuron in China, United States and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Forchlorfenuron?

Suppliers quote Forchlorfenuron 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 Forchlorfenuron

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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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