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CAS

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98389-04-9

Pyrazosulfuron is a post-emergent herbicide specifically designed for the control of annual and perennial grasses as well as broadleaf weeds in a variety of crops. It operates by inhibiting the enzyme acetolactate synthase (ALS) in susceptible plants, which in turn disrupts their amino acid and protein synthesis, ultimately leading to plant death. This herbicide is absorbed through the foliage and roots of the targeted weeds, demonstrating low toxicity to non-target organisms and a minimal environmental impact due to its high selectivity and low application rates.

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  • 98389-04-9 Structure

  • Basic information

    1. Product Name: Pyrazosulfuron
    2. Synonyms: Pyrazosulfuron;5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1h-pyrazole-4-carboxylic acid;5-[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-1-methylpyrazole-4-carboxylic acid;5-(4,6-Dimethoxy-2-pyrimidinylaminocarbonylsulfamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid;yrazosulfuron
    3. CAS NO:98389-04-9
    4. Molecular Formula: C12H14N6O7S
    5. Molecular Weight: 386.34
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 98389-04-9.mol

  • Chemical Properties

    1. Melting Point: 202-204 °C
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.71 g/cm3
    6. Refractive Index: 1.692
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. PKA: 2.48±0.36(Predicted)
    10. CAS DataBase Reference: Pyrazosulfuron(CAS DataBase Reference)
    11. NIST Chemistry Reference: Pyrazosulfuron(98389-04-9)
    12. EPA Substance Registry System: Pyrazosulfuron(98389-04-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 98389-04-9(Hazardous Substances Data)

98389-04-9 Usage

Uses

Used in Agricultural Industry:
Pyrazosulfuron is used as a post-emergent herbicide for the control of various types of weeds in crops such as rice, wheat, and barley. Its application reason is to inhibit the enzyme ALS in the weeds, disrupting their amino acid and protein synthesis, which results in the death of the targeted plants. This ensures a more efficient and selective weed control with minimal impact on the environment and non-target organisms.

Check Digit Verification of cas no

The CAS Registry Mumber 98389-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,8 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98389-04:
(7*9)+(6*8)+(5*3)+(4*8)+(3*9)+(2*0)+(1*4)=189
189 % 10 = 9
So 98389-04-9 is a valid CAS Registry Number.
InChI:InChI=1/C12H14N6O7S/c1-18-9(6(5-13-18)10(19)20)26(22,23)17-12(21)16-11-14-7(24-2)4-8(15-11)25-3/h4-5H,1-3H3,(H,19,20)(H2,14,15,16,17,21)

98389-04-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name pyrazosulfuron

1.2 Other means of identification

Product number -
Other names 5-[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-1-methylpyrazole-4-carboxylic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:98389-04-9 SDS

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