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Mefenpyr-diethyl

Cat No.:V62255 Purity: ≥98%
Mefenpyr-diethyl is a herbicide safener used to protect crops against herbicide damage.
Mefenpyr-diethyl
Mefenpyr-diethyl Chemical Structure CAS No.: 135590-91-9
Product category: Others 12
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1g
Other Sizes
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Product Description
Mefenpyr-diethyl is a herbicide safener used to protect crops against herbicide damage.
Mefenpyr-diethyl (CAS# 135590-91-9) is a foliar-acting safener of the pyrazoline chemical group. It has the molecular formula C16H18Cl2N2O4 and a molecular weight of 373.23. Also known as HOE-107892, Mefenpyr-diethyl is not an active herbicide substance but is used as a safener in combination with certain herbicides such as allyl propionic acids and sulfonylureas. After its absorption, the metabolization and detoxification of herbicides occur in treated plants. It is used as a resistant breaking solution for modern agriculture.
Biological Activity I Assay Protocols (From Reference)
Targets
Mefenpyr-diethyl targets herbicide detoxification pathways in plants. As a safener, it enhances the metabolization and detoxification of herbicides in treated plants. The compound activates herbicide-detoxifying enzymes such as cytochrome P450 monooxygenases and glutathione S-transferases, which accelerate the breakdown of herbicides. Its targets are plant metabolic enzymes rather than mammalian biological targets. The compound is used in herbicidal and herbicide-safener combinations.
ln Vitro
In vitro studies of Mefenpyr-diethyl have focused on its role as a herbicide safener. The compound's ability to enhance herbicide detoxification has been characterized in plant systems. It is used in herbicidal and herbicide-safener combinations as a resistant breaking solution for modern agriculture. These in vitro studies provide foundational data for understanding the compound's utility in agricultural weed management.
ln Vivo
In vivo studies of Mefenpyr-diethyl have demonstrated its efficacy as a herbicide safener in cereal crops. After absorption, the metabolization and detoxification of herbicides occur in treated plants. The compound is used in combination with certain herbicides to improve crop tolerance. It is not an active herbicide substance and is intended for agricultural use only.
Enzyme Assay
In vitro enzyme assays for Mefenpyr-diethyl typically involve testing its effects on herbicide-detoxifying enzymes in plant systems. Enzyme activity is measured by monitoring the metabolism of herbicides in the presence of varying concentrations of the compound. The compound's purity (typically ≥98%) and identity are confirmed using analytical chemistry methods such as nuclear magnetic resonance spectroscopy, high-performance liquid chromatography, and mass spectrometry.
Cell Assay
In vitro cell-based assays for Mefenpyr-diethyl involve culturing plant cells to evaluate its effects on herbicide detoxification. Plant cells are treated with varying concentrations of the compound and herbicide metabolism is assessed. The compound's effects on detoxifying enzyme activities are measured. All experiments are performed with appropriate controls to ensure statistical reliability.
Animal Protocol
In vivo plant experiments for Mefenpyr-diethyl are conducted to evaluate its safener efficacy. Plants are treated with the compound in combination with herbicides and crop tolerance is assessed. Parameters assessed include crop injury, herbicide efficacy, and yield. The compound's ability to enhance herbicide detoxification is evaluated. Control groups receiving herbicides without the safener are included for comparison.
ADME/Pharmacokinetics
The pharmacokinetic properties of Mefenpyr-diethyl reflect its nature as a herbicide safener. It has a molecular weight of 373.23 and the molecular formula C16H18Cl2N2O4. The compound appears as a white-yellow solid. As a small lipophilic molecule, it is absorbed through plant foliage and distributed throughout the plant. Complete pharmacokinetic profiling in plants would require further systematic studies.
Toxicity/Toxicokinetics
The toxicity profile of Mefenpyr-diethyl has been evaluated for environmental and occupational safety. As an agricultural chemical, it may have toxic effects on non-target organisms. Proper handling procedures including use of personal protective equipment are recommended when working with the compound. The compound is not approved for human therapeutic use and is intended for agricultural research purposes only.
References

[1]. Mefenpyr-diethyl action on fenoxaprop-p-ethyl detoxification in wheat varieties. Planta Daninha, Viçosa-MG, 2013. 31(2): 387-393.

Additional Infomation
Mefenpyr-diethyl (CAS# 135590-91-9) is also known as HOE-107892. It has the molecular formula C16H18Cl2N2O4 and a molecular weight of 373.23. The compound is a foliar-acting safener of the pyrazoline chemical group. It is used as a safener in combination with herbicides to enhance herbicide detoxification in treated plants. Mefenpyr-diethyl is used as a resistant breaking solution for modern agriculture.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C16H18CL2N2O4
Molecular Weight
373.23
Exact Mass
372.064
CAS #
135590-91-9
PubChem CID
10937610
Appearance
Off-white to light yellow solid powder
Density
1.3±0.1 g/cm3
Boiling Point
451.1±55.0 °C at 760 mmHg
Melting Point
52 °C
Flash Point
226.6±31.5 °C
Vapour Pressure
0.0±1.1 mmHg at 25°C
Index of Refraction
1.576
LogP
3.2
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
7
Heavy Atom Count
24
Complexity
528
Defined Atom Stereocenter Count
0
SMILES
CCOC(=O)C1=NN(C(C1)(C)C(=O)OCC)C2=C(C=C(C=C2)Cl)Cl
InChi Key
OPGCOAPTHCZZIW-UHFFFAOYSA-N
InChi Code
InChI=1S/C16H18Cl2N2O4/c1-4-23-14(21)12-9-16(3,15(22)24-5-2)20(19-12)13-7-6-10(17)8-11(13)18/h6-8H,4-5,9H2,1-3H3
Chemical Name
diethyl 1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: 100 mg/mL (267.93 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.70 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: 2.5 mg/mL (6.70 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (6.70 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.6793 mL 13.3966 mL 26.7931 mL
5 mM 0.5359 mL 2.6793 mL 5.3586 mL
10 mM 0.2679 mL 1.3397 mL 2.6793 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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