Cas no 64902-72-3 (Chlorosulfuron)

Chlorosulfuron is a sulfonylurea herbicide widely used for selective pre- and post-emergence weed control in cereal crops, including wheat and barley. Its mode of action involves inhibiting acetolactate synthase (ALS), a key enzyme in branched-chain amino acid synthesis, leading to growth suppression in susceptible weeds. Chlorosulfuron is highly effective at low application rates, offering broad-spectrum activity against many broadleaf weeds and some grasses. Its soil residual activity provides extended weed control, reducing the need for frequent reapplications. The compound exhibits favorable crop selectivity when used as directed, minimizing phytotoxicity risks. Chlorosulfuron's stability and systemic properties contribute to its reliable performance under varied environmental conditions.
Chlorosulfuron structure
Chlorosulfuron structure
Product Name:Chlorosulfuron
CAS No:64902-72-3
MF:C12H12ClN5O4S
MW:357.772779464722
MDL:MFCD00128059
CID:58244
PubChem ID:24861132
Update Time:2026-05-14

Chlorosulfuron Chemical and Physical Properties

Names and Identifiers

    • Chlorsulfuron
    • 2-Chloro-N(((4-methoxy-6-methyl-1,3,5-triazin-2-yl) amino)carbonyl)benzenesulfonamide
    • 2-chloro-n-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide
    • 2-chlorsulfuron
    • dpx 4189
    • glean
    • telar
    • Chlorosulfuron
    • Chlorsulfuron Solution
    • Chlorsulfuron Standard
    • 1-(2-chlorophenylsulfonyl)-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
    • 2-chloro-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl]benzene-1-sulfonamide
    • ALMURON
    • Clean
    • finesse
    • gleanc
    • LASHER
    • onamide
    • PRESS
    • W-4189
    • Carboxin
    • MDL： MFCD00128059
    • Inchi： 1S/C12H12ClN5O4S/c1-7-14-10(17-12(15-7)22-2)16-11(19)18-23(20,21)9-6-4-3-5-8(9)13/h3-6H,1-2H3,(H2,14,15,16,17,18,19)
    • InChI Key： VJYIFXVZLXQVHO-UHFFFAOYSA-N
    • SMILES： O=S(C1=CC=CC=C1Cl)(NC(NC2=NC(OC)=NC(C)=N2)=O)=O
    • BRN： 577255

Computed Properties

  • Exact Mass: 357.03000
  • Monoisotopic Mass: 357.029852
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 9
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 5
  • Complexity: 514
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 132
  • Surface Charge: 0
  • Tautomer Count: 9
  • XLogP3: 2.3

Experimental Properties

  • Color/Form: Colorless crystals
  • Density: 1.6111 (rough estimate)
  • Melting Point: 174-178 oC
  • Boiling Point: 563
  • Refractive Index: 1.5630 (estimate)
  • PSA: 131.55000
  • LogP: 2.89710
  • Solubility: Not determined
  • Merck: 13,2210

Chlorosulfuron Security Information

  • Symbol: GHS09
  • Signal Word：Warning
  • Hazard Statement： H410
  • Warning Statement： P273,P501
  • Hazardous Material transportation number：UN3077 9/PG 3
  • WGK Germany：2
  • Hazard Category Code： 50/53
  • Safety Instruction： S60-S61
  • RTECS：YS6640000
  • Hazardous Material Identification： N
  • Risk Phrases：R50/53
  • Toxicity：LD50 in male, female rats (mg/kg): 5545, 6293 orally (Levitt)
  • Storage Condition：Store at room temperature
  • HazardClass：9
  • PackingGroup：Ⅲ

Chlorosulfuron Customs Data

  • HS CODE：2935009011
  • Customs Data：

    China Customs Code:

    2935009011

    Overview:

    2935009011 Fluazosulfuron methyl,Flupirsulfuron methyl,Sulfonylsulfuron methyl,Chlorfenoxamide, etc. [including azosulfuron formamide,Ethoxysulfuron methyl,chlorsulfuron ,metsulfuron-methyl ,tribenuron-methyl ,Tolbutamol methyl].Regulatory conditions:S(Import and Export Pesticide Registration Certificate).VAT:17.0%.Tax refund rate:9.0%.Minimum tariff:6.5%.general tariff:35.0%

    Declaration elements:

    Product Name, component content, use to

    Regulatory conditions:

    S.Import and Export Pesticide Registration Certificate

    Summary:

    2935009011 2-chloro-n-((4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl)benzenesulfonamide.supervision conditions:s(import or export registration certificate for pesticides).VAT:17.0%.tax rebate rate:9.0%.MFN tarrif:6.5%.general tariff:35.0%

Chlorosulfuron Pricemore >>

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Chlorosulfuron Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:64902-72-3)Chlorosulfuron
Order Number:A1210739
Stock Status:in Stock
Quantity:1g
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 15:59
Price ($):315.0

Chlorosulfuron Related Literature

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Additional information on Chlorosulfuron

Professional Introduction to Chlorosulfuron (CAS No. 64902-72-3)

Chlorosulfuron, a potent and highly selective herbicide, is widely recognized for its efficacy in controlling broadleaf and grassy weeds in various agricultural settings. With the CAS number 64902-72-3, this compound has been extensively studied for its mechanism of action, environmental impact, and potential applications in modern agriculture. This introduction delves into the latest research findings, chemical properties, and practical uses of Chlorosulfuron, providing a comprehensive overview for professionals in the field.

The chemical structure of Chlorosulfuron is characterized by a sulfonylurea moiety, which is known to inhibit acetolactate synthase (ALS), a key enzyme in plant amino acid biosynthesis. This mechanism disrupts the production of essential amino acids, ultimately leading to weed death. The compound's high solubility in water allows for effective formulation in liquid herbicides, enhancing its application efficiency. Recent studies have highlighted the compound's selectivity towards specific weed species while minimizing harm to crops, making it an attractive option for precision agriculture.

In recent years, research has focused on optimizing the application of Chlorosulfuron to reduce environmental impact and improve sustainability. One significant advancement is the development of slow-release formulations that extend the compound's activity period while decreasing the frequency of application. This innovation not only enhances cost-effectiveness but also reduces the potential for soil and water contamination. Additionally, field trials have demonstrated that integrated pest management strategies incorporating Chlorosulfuron can significantly lower herbicide resistance in target weeds, ensuring long-term efficacy.

The environmental fate of Chlorosulfuron has been a subject of extensive research due to its persistence in soil and water systems. Studies indicate that the compound degrades slowly under aerobic conditions but breaks down more rapidly in anaerobic environments. This information is crucial for developing best practices in agricultural management, ensuring that residues remain within safe limits. Furthermore, researchers have explored biodegradation pathways involving microbial enzymes that can convert Chlorosulfuron into less harmful metabolites, offering a promising avenue for environmental remediation.

The safety profile of Chlorosulfuron is another critical aspect that has been thoroughly investigated. Toxicological studies have shown that the compound exhibits low acute toxicity to mammals, with minimal systemic absorption upon dermal or oral exposure. However, chronic exposure concerns have led to the implementation of stringent regulatory guidelines governing its use. Farmers and agricultural professionals are advised to follow recommended application rates and safety protocols to mitigate any potential risks. The development of personal protective equipment (PPE) with enhanced resistance to herbicide penetration has also contributed to safer handling practices.

The role of Chlorosulfuron in sustainable agriculture cannot be overstated. As global food demand continues to rise, efficient weed management is essential for maintaining high crop yields without compromising environmental health. The compound's ability to provide long-lasting control with minimal application volumes aligns well with sustainable farming principles. Moreover, its compatibility with genetically modified crops has opened new possibilities for developing hybrid varieties that are more resistant to weed competition, further enhancing agricultural productivity.

In conclusion, Chlorosulfuron (CAS No. 64902-72-3) remains a cornerstone in modern herbicide technology due to its effectiveness, selectivity, and environmental considerations. Ongoing research continues to refine its applications and address any emerging challenges, ensuring that it remains a valuable tool for farmers worldwide. By staying abreast of the latest scientific advancements and best practices, stakeholders can maximize the benefits of this compound while minimizing its ecological footprint.

64902-72-3 (Chlorosulfuron) Related Products

Recommended suppliers
Amadis Chemical Company Limited
(CAS:64902-72-3)Chlorosulfuron
A1210739
Purity:99%
Quantity:1g
Price ($):315.0
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