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Herbicides

Fenthiaprop

Also known as HOE 43336, Propanoic acid, 2-(4-((6-chloro-2-benzothiazolyl)oxy)phenoxy)-, 2-[4-[(6-chloro-1,3-benzothiazol-2-yl)oxy]phenoxy]propanoic acid

CAS 73519-50-3Formula C16H12ClNO4SMolar mass 349.80 g/mol
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Fenthiaprop chemical structure, C16H12ClNO4S, CAS 73519-50-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73519-50-3
Formula
C16H12ClNO4S
Molar mass
349.80 g/mol
HS code
293420
Category
Herbicides

What is Fenthiaprop?

Plain description, key identifiers and synonyms

Fenthiaprop is an aromatic ether. It has a role as a phenoxy herbicide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[4-[(6-chloro-1,3-benzothiazol-2-yl)oxy]phenoxy]propanoic acid
CAS number
73519-50-3 CAS number cross-checkedOther or deprecated CAS: 93921-16-5
Molecular formula
C16H12ClNO4S
UNII
60X8DHC00H
InChIKey
WHWHBAUZDPEHEM-UHFFFAOYSA-N
InChI
InChI=1S/C16H12ClNO4S/c1-9(15(19)20)21-11-3-5-12(6-4-11)22-16-18-13-7-2-10(17)8-14(13)23-16/h2-9H,1H3,(H,19,20)
SMILES (canonical and isomeric)
CC(C(=O)O)OC1=CC=C(C=C1)OC2=NC3=C(S2)C=C(C=C3)Cl

Synonyms

  • HOE 43336
  • Propanoic acid, 2-(4-((6-chloro-2-benzothiazolyl)oxy)phenoxy)-
  • 2-[4-[(6-chloro-1,3-benzothiazol-2-yl)oxy]phenoxy]propanoic acid
  • 2-{4-[(6-Chloro-1,3-benzothiazol-2-yl)oxy]phenoxy}propanoic acid
  • 2-[4-(6-chloro-2-benzthiazolyloxy)-phenoxy]-propionic acid
  • 2-[4-(6-chlorobenzo[d]thiazol-2-yl)oxyphenoxy]propanoic acid
  • 2-{4-[(6-chloro-2-benzothiazolyl)-oxy]-phenoxy}-propionic acid

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
349.80 g/molcalc.
Exact mass
349.0176 Dacalc.
LogP (octanol/water)
4.59calc.
Topological polar surface area
68.65 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
5calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.13calc.
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(Oc2nc3ccccc3s2)cc1

c1ccc(Oc2nc3ccccc3s2)cc1

3 rings, 16 atoms.

38 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Fenthiaprop suppliers

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

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Fenthiaprop price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • herbicide
  • pesticide
  • phenoxy herbicide

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 Fenthiaprop is traded under.

HS 2934.20Indicative HS code

Compounds containing in the structure a benzothiazole ring-system (whether or not…

World exports in 2024
$662M
+4.3% vs 2023, imports $630M
2019 to 2024
Top exporters
  1. China62.9%
  2. Belgium14.6%
  3. United States5.4%
Top importers
  1. India * partner reported18.5%
  2. United States18.1%
  3. Brazil6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Fenthiaprop?

Fenthiaprop is an aromatic ether. It has a role as a phenoxy herbicide.

What is the CAS number of Fenthiaprop?

The CAS registry number of Fenthiaprop is 73519-50-3. Other or deprecated CAS numbers: 93921-16-5.

What is the molecular formula and weight of Fenthiaprop?

The molecular formula of Fenthiaprop is C16H12ClNO4S and its molar mass is 349.80 g/mol.

What is Fenthiaprop used for?

Known uses and roles of Fenthiaprop include herbicides in agriculture and crop protection, herbicide, pesticide and phenoxy herbicide.

Is Fenthiaprop hazardous?

No GHS hazard classification for Fenthiaprop is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Fenthiaprop?

Fenthiaprop is usually classified under HS code 293420 (Compounds containing in the structure a benzothiazole ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fenthiaprop?

Post a free request on CompoundList and suppliers of Fenthiaprop will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Fenthiaprop?

Suppliers quote Fenthiaprop 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 Fenthiaprop

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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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