Description

(-)-n-(1-Methylethyl)Phosphoramidothioic Acid o-Methyl o-(2,4-Dichlorophenyl) Ester is a chiral organophosphorus compound of significant interest in advanced chemical synthesis. This compound matters as a key intermediate or precursor for the development of specialized agrochemicals and pharmaceuticals, where its specific stereochemistry and functional groups are critical for biological activity. It is primarily needed by research institutions and industrial manufacturers engaged in the synthesis of novel crop protection agents, chiral ligands, and other high-value specialty chemicals.

Application

• Key chiral intermediate in the research and development of novel organophosphate insecticides and acaricides.
• Precursor for synthesizing specialized phosphoramidothioate derivatives with potential biological activity.
• Building block in asymmetric synthesis for creating chiral phosphorus-containing ligands and catalysts.
• Used in chemical research to study structure-activity relationships (SAR) in agrochemicals.
• Intermediate for the production of experimental pharmaceutical active ingredients targeting specific enzymes.
• Starting material for the preparation of analytical standards and reference materials for environmental and residue testing.

Basic Information

Product Name	(-)-n-(1-Methylethyl)Phosphoramidothioic Acid o-Methyl o-(2,4-Dichlorophenyl) Ester
CAS No.	21248-24-8
Molecular Formula	C11H14Cl2NO2PS
Molecular Weight	334.18 g/mol
Synonyms	(-)-O-Methyl O-(2,4-dichlorophenyl) N-isopropylphosphoramidothioate; (-)-O-Methyl O-2,4-dichlorophenyl N-isopropylphosphoramidothioate; Phosphoramidothioic acid, N-(1-methylethyl)-, O-methyl O-(2,4-dichlorophenyl) ester, (-)-; (-)-N-Isopropyl O-methyl O-(2,4-dichlorophenyl) phosphoramidothioate; (-)-Methyl 2,4-dichlorophenyl N-isopropylphosphoramidothioate; Chiral isopropylaminophosphorothioic acid methyl 2,4-dichlorophenyl ester
EINECS	Contact for details

Quality Control

Our production of (-)-n-(1-Methylethyl)Phosphoramidothioic Acid o-Methyl o-(2,4-Dichlorophenyl) Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to confirm identity and meet specified standards. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.