Mefenpyr-diethyl

Name: Mefenpyr-diethyl
Brand: Vaqora Chemicals
SKU: VQ-039701

About Mefenpyr-diethyl

Listed under CAS 135590-91-9, Mefenpyr-diethyl is an analytical reagent available from Vaqora Chemicals. Formula C16H18Cl2N2O4, molecular weight 373.2 g/mol. Its systematic (IUPAC) name is diethyl 1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylate. Common synonyms include Mefenpyr-diethyl [ISO].

Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for agrochemical formulations and laboratory analysis. Typical end-use sectors are academic and industrial research and agrochemical production.

Vaqora Chemicals supplies Mefenpyr-diethyl in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Mefenpyr-diethyl
Catalogue No.	VQ-039701
CAS Number	135590-91-9
IUPAC name	diethyl 1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylate
Molecular formula	C₁₆H₁₈Cl₂N₂O₄
Molecular weight	373.2 g/mol
Exact mass	372.0644
InChIKey	OPGCOAPTHCZZIW-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=NN(C(C1)(C)C(=O)OCC)C2=C(C=C(C=C2)Cl)Cl
PubChem CID	10937610

Physical properties
Physical form	Other
LogP (XLogP3)	3.9
H-bond donors / acceptors	0 / 6
TPSA	68.2 Å²
Synonyms	Mefenpyr-diethyl [ISO], Diethyl (RS)-1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxilate, diethyl (rs)-1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxylate, diethyl 1-(2,4-dichlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazole-3,5-dicarboxylate, Diethyl-1-(2,4-dichlorophenyl)-4,5-dihyfro-5-methyl-1H-pyrazole-3,5-dicarboxilate, diethyl rac-(5R)-1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate, rac-diethyl (5R)-1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate, Diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate, 1-(2,4-Dichlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazole-3,5-dicarboxylic diethyl ester, diethyl (5R)-1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylate, Diethyl1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate

Safety & hazard information (GHS)

Environmental hazard

Hazard statements

H411Toxic to aquatic life with long lasting effects

Precautionary statements: P273, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Mefenpyr-diethyl?

The CAS Registry Number of Mefenpyr-diethyl is 135590-91-9. It is also known as Mefenpyr-diethyl [ISO], Diethyl (RS)-1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxilate, diethyl (rs)-1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxylate.

What is the molecular formula and molecular weight of Mefenpyr-diethyl?

Mefenpyr-diethyl has the molecular formula C16H18Cl2N2O4 and a molecular weight of 373.2 g/mol. Its IUPAC name is diethyl 1-(2,4-dichlorophenyl)-5-methyl-4H-pyrazole-3,5-dicarboxylate.

Which grade and pack sizes of Mefenpyr-diethyl can I order?

We supply Mefenpyr-diethyl, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Mefenpyr-diethyl?

Yes. Every lot of Mefenpyr-diethyl is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Mefenpyr-diethyl be shipped internationally?

Yes. Mefenpyr-diethyl is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.