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Herbicides

Foramsulfuron

Also known as Option 35WDG, Option Corn Herbicide, 1-(4,6-dimethoxypyrimidin-2-yl)-3-[2-(dimethylcarbamoyl)-5-formamidophenylsulfonyl]urea

CAS 173159-57-4Formula C17H20N6O7SMolar mass 452.45 g/molEC 605-666-1
GHS signal word: Warning. Pictograms: Serious health hazard, Hazardous to the environment 10 suppliers listed
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Foramsulfuron chemical structure, C17H20N6O7S, CAS 173159-57-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Light beige solid
Melting point
199.5 °C
Density
1.44 at 20 °C
Solubility
In water (g/L, 20 deg ): 0.04 (pH 5), 3.3 (pH 7), 94.6 (pH 8)
HS code
293590
Category
Herbicides
Illustrative photo, off-white crystalline powder in an HDPE jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Foramsulfuron?

Plain description, key identifiers and synonyms

Foramsulfuron is a member of the class of benzamides that is N,N-dimethylbenzamide substituted by a formylamino group at position 4 and a [(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl group at position 2. It has a role as a herbicide, a xenobiotic and an environmental contaminant. It is a member of benzamides, a sulfonamide, an aromatic ether, a member of pyrimidines and a member of ureas.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-4-formamido-N,N-dimethylbenzamide
CAS number
173159-57-4 CAS number cross-checked
EC number
605-666-1
Molecular formula
C17H20N6O7S
UNII
4XJD212JQB
MDL number
MFCD16661250
InChIKey
PXDNXJSDGQBLKS-UHFFFAOYSA-N
InChI
InChI=1S/C17H20N6O7S/c1-23(2)15(25)11-6-5-10(18-9-24)7-12(11)31(27,28)22-17(26)21-16-19-13(29-3)8-14(20-16)30-4/h5-9H,1-4H3,(H,18,24)(H2,19,20,21,22,26)
SMILES (canonical and isomeric)
CN(C)C(=O)C1=C(C=C(C=C1)NC=O)S(=O)(=O)NC(=O)NC2=NC(=CC(=N2)OC)OC

Synonyms

  • Option 35WDG
  • Option Corn Herbicide
  • 1-(4,6-dimethoxypyrimidin-2-yl)-3-[2-(dimethylcarbamoyl)-5-formamidophenylsulfonyl]urea
  • Benzamide, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-4-(formylamino)-N,N-dimethyl-
  • 2-{[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl}-4-(formylamino)-N,N-dimethylbenzamide
  • N,N-Dimethyl-2-3-(4,6-dimethoxypyrimidin-2-yl)ureidosulfonyl-4-formylaminobenzamide
  • Benzamide, 2-(((((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-4-(formylamino)-N,N-dimethyl-
  • 1-(4,6-dimethoxypyrimidin-2-yl)-3-(2-(dimethylcarbamoyl)-5-formamidophenylsulfonyl)urea
  • 2-(((4,6-dimethoxypyrimidin-2-yl)carbamoyl)sulfamoyl)-4-(formylamino)-N,N-dimethylbenzamide
  • AE F130360
  • USEPA/OPP Pesticide Code: 122020
  • N,N-Dimethyl-2-?3-(4,6-dimethoxypyrimidin-2-yl)ureidosulfonylU-4-formylaminobenzamide
  • 2-(N-((4,6-Dimethoxypyrimidin-2-yl)carbamoyl)sulfamoyl)-4-formamido-N,N-dimethylbenzamide
  • 2-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-4-formamido-N,N-dimethylbenzamide
  • 2-({[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]amino}sulfonyl)-4-formamido-N,N-dimethylbenzamide
  • Formasulfuron
  • 2-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-4-formamido-N,N-dimethyl-benzamide
  • Foramsulfuron, PESTANAL(R), analytical standard
  • 2-(N-(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl)-4-formamido-N,N-dimethylbenzamide
  • 2-{[(4,6-Dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl}-4-formamido-N,N-dimethylbenzamide
  • 2-(((((4,6-Dimethoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-4-(formylamino)-N,N-dimethylbenzamide
  • N,N-Dimethyl 2-(N-(N-(4,6-dimethoxypyrimid-2-yl)-aminocarbonyl)-aminosulfonyl)4-formamidobenzamide
  • N-[(4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl]-5-formylamino-2-dimethylaminocarbonylbenzenesulfonamide

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
Light beige solidexp.
Odour
Weak aromatic odorexp.
Melting point
199.5 °Cexp.
Density
1.44 at 20 °Cexp.
Solubility
In water (g/L, 20 deg ): 0.04 (pH 5), 3.3 (pH 7), 94.6 (pH 8)exp.
Vapour pressure
3.15 × 10⁻¹³ mm Hg at 20 °Cexp.

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
452.45 g/molcalc.
Exact mass
452.1114 Dacalc.
LogP (octanol/water)
0.27calc.
Topological polar surface area
168.9 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
8calc.
Heavy atoms
31calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.24calc.
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(Nc1ncccn1)NS(=O)(=O)c1ccccc1

O=C(Nc1ncccn1)NS(=O)(=O)c1ccccc1

2 rings, 19 atoms, the N-[(Pyrimidin-2-yl)carbamoyl]benzenesulfonamide ring system.

30 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.
  • H400Very toxic to aquatic life.
  • H410Very toxic 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

Foramsulfuron suppliers

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All 10 suppliers
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Where suppliers are based

10 suppliers in 7 countries

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Foramsulfuron 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

Herbicides (pyrimidinylsulfonylurea herbicides).

Herbicide.

For use on corn ... use on golf course turf, sports fields, lawns, cemetaries, parks, campsites, recreational areas, roadsides, school grounds, and sod farms.

Use classes: Herbicides.

Roles

  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

How it is made

Foramsulfuron can be synthesized by reaction of N,N-dimethyl 2-sulfamoylchloride-4- formylamino benzamide with 2-amino-4,6-dimethoxypyrimidine in the presence of a base.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-241-00-5

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: foramsulfuron (ISO), 2-{[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl}-4-formamido-N,N-dimethylbenzamide, 1-(4,6-dimethoxypyrimidin-2-yl)-3-(2-dimeth…

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Foramsulfuron is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Foramsulfuron?

Foramsulfuron is a member of the class of benzamides that is N,N-dimethylbenzamide substituted by a formylamino group at position 4 and a [(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl group at position 2. It has a role as a herbicide, a xenobiotic and an environmental contaminant.

What is the CAS number of Foramsulfuron?

The CAS registry number of Foramsulfuron is 173159-57-4.

What is the molecular formula and weight of Foramsulfuron?

The molecular formula of Foramsulfuron is C17H20N6O7S and its molar mass is 452.45 g/mol.

What is Foramsulfuron used for?

Herbicides (pyrimidinylsulfonylurea herbicides). Herbicide. For use on corn ... use on golf course turf, sports fields, lawns, cemetaries, parks, campsites, recreational areas, roadsides, school grounds, and sod farms. Use classes: Herbicides.

Is Foramsulfuron hazardous?

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

Foramsulfuron is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Foramsulfuron?

CompoundList lists 10 suppliers of Foramsulfuron in China, France, Brazil, Switzerland and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Foramsulfuron?

Suppliers quote Foramsulfuron 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 Foramsulfuron

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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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