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Screening compounds

Fenoxaprop-P-ethyl

Also known as Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate, ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate, Ethyl (2R)-2-{4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy}propanoate

CAS 71283-80-2Formula C18H16ClNO5Molar mass 361.78 g/mol
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 33 suppliers listed
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Fenoxaprop-P-ethyl chemical structure, C18H16ClNO5, CAS 71283-80-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71283-80-2
Formula
C18H16ClNO5
Molar mass
361.78 g/mol
HS code
293499
Category
Screening compounds

What is Fenoxaprop-P-ethyl?

Plain description, key identifiers and synonyms

Fenoxaprop-P-ethyl is a chemical substance with the molecular formula C18H16ClNO5 and a molar mass of 361.78 g/mol. Its CAS registry number is 71283-80-2. The IUPAC name is ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate
CAS number
71283-80-2 CAS number cross-checked
Molecular formula
C18H16ClNO5
UNII
54CSW9U08K
MDL number
MFCD01310637
InChIKey
PQKBPHSEKWERTG-LLVKDONJSA-N
InChI
InChI=1S/C18H16ClNO5/c1-3-22-17(21)11(2)23-13-5-7-14(8-6-13)24-18-20-15-9-4-12(19)10-16(15)25-18/h4-11H,3H2,1-2H3/t11-/m1/s1
Canonical SMILES
CCOC(=O)C(C)Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1
Isomeric SMILES
CCOC(=O)[C@@H](C)OC1=CC=C(C=C1)OC2=NC3=C(O2)C=C(C=C3)Cl

Synonyms

  • Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate
  • ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate
  • Ethyl (2R)-2-{4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy}propanoate
  • Fenoxaprop P-ethyl
  • Ricestar
  • Puma universal
  • Furore super
  • PUMA SUPER
  • SUPER WHIP
  • WHIP SUPER
  • WHIP S
  • (R)-Ethyl fenoxaprop
  • Fenoxaprop-P-ethyl (Standard)
  • WHIP 360
  • Fenoxaprop-p ethyl ester
  • r-Fenoxaprop-ethyl
  • (+)-(R)-Fenoxaprop-ethyl
  • Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (2R)-
  • Fenoxaprop-P-ethyl 100 |Ig/mL in Acetonitrile
  • Fenoxaprop-P-ethyl 100 microg/mL in Acetonitrile
  • Fenoxaprop-P-ethyl, PESTANAL(R), analytical standard
  • Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate, 95%
  • Ethyl (2R)-2-(4-(6-chloro-2-benzoxazolyloxy)phenoxy)propionate
  • Ethyl (R)-2-[4-[(6-Chlorobenzo[d]oxazol-2-yl)oxy]phenoxy]propanoate
  • Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (R)-

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
361.78 g/molcalc.
Exact mass
361.0717 Dacalc.
LogP (octanol/water)
4.6calc.
Topological polar surface area
70.79 ร…ยฒcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
6calc.
Heavy atoms
25calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.22calc.
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, c1ccc(Oc2nc3ccccc3o2)cc1

c1ccc(Oc2nc3ccccc3o2)cc1

3 rings, 16 atoms.

19 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H317May cause an allergic skin reaction.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (12)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Fenoxaprop-P-ethyl suppliers

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Where suppliers are based

33 suppliers in 8 countries

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Fenoxaprop-P-ethyl 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

Use classes: Pesticides, Herbicides.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-707-00-9

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Fenoxaprop-P-ethyl is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Fenoxaprop-P-ethyl, based on the data on this page

What is Fenoxaprop-P-ethyl?

Fenoxaprop-P-ethyl is a chemical substance with the molecular formula C18H16ClNO5 and a molar mass of 361.78 g/mol. Its CAS registry number is 71283-80-2. The IUPAC name is ethyl (2R)-2-[4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy]propanoate.

What is the CAS number of Fenoxaprop-P-ethyl?

The CAS registry number of Fenoxaprop-P-ethyl is 71283-80-2.

What is the molecular formula and weight of Fenoxaprop-P-ethyl?

The molecular formula of Fenoxaprop-P-ethyl is C18H16ClNO5 and its molar mass is 361.78 g/mol.

What is Fenoxaprop-P-ethyl used for?

Use classes: Pesticides, Herbicides.

Is Fenoxaprop-P-ethyl hazardous?

Fenoxaprop-P-ethyl carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction, may cause damage to organs through prolonged or repeated exposure, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fenoxaprop-P-ethyl?

Fenoxaprop-P-ethyl is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclicโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fenoxaprop-P-ethyl?

CompoundList lists 33 suppliers of Fenoxaprop-P-ethyl in China, India, Brazil, Canada and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fenoxaprop-P-ethyl in India?

8 suppliers in India list Fenoxaprop-P-ethyl on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Fenoxaprop-P-ethyl?

Suppliers quote Fenoxaprop-P-ethyl 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 Fenoxaprop-P-ethyl

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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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