Description

(+)-n-Isopropylphosphoramidothioic Acid o-(2,4-Dichlorophenyl)o-Methyl Ester is a chiral organophosphorus compound of significant interest in advanced chemical synthesis. This high-purity intermediate is valued for its role in the development of specialized agrochemicals and pharmaceuticals, where stereochemical control is critical for efficacy. It is primarily sought by research institutions and industrial manufacturers engaged in the synthesis of novel active ingredients and chiral ligands.

Application

• Agrochemical Intermediate: A key chiral building block in the research and synthesis of novel insecticides and pesticides.
• Pharmaceutical Research: Used in the development of chiral active pharmaceutical ingredients (APIs) and prodrugs.
• Chemical Synthesis: Serves as a specialized intermediate in organophosphorus chemistry for creating complex molecular architectures.
• Ligand Precursor: Potential use in the preparation of chiral ligands for asymmetric catalysis.
• Metabolite Studies: Employed in analytical and environmental chemistry as a reference standard for metabolite identification.

Basic Information

Product Name	(+)-n-Isopropylphosphoramidothioic Acid o-(2,4-Dichlorophenyl)o-Methyl Ester
CAS No.	21248-23-7
Molecular Formula	C10H14Cl2NO2PS
Molecular Weight	322.17 g/mol
Synonyms	(+)-Isofenphos-oxon; (R)-Isofenphos Oxon; O-Methyl O-(2,4-dichlorophenyl) (1-methylethyl)phosphoramidothioate; (+)-O-2,4-Dichlorophenyl O-methyl isopropylphosphoramidothioate; Phosphoramidothioic acid, isopropyl-, O-(2,4-dichlorophenyl) O-methyl ester, (+)-; Isopropylphosphoramidothioic acid O-(2,4-dichlorophenyl) O-methyl ester, (+)-
EINECS	Contact for details

Quality Control

Our production of (+)-n-Isopropylphosphoramidothioic Acid o-(2,4-Dichlorophenyl)o-Methyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. All materials are characterized using advanced analytical techniques including chiral HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with each shipment to support your quality assurance and regulatory requirements.

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). This compound is light-sensitive and should be stored away from light. It is also easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
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.