Description

(Chloromethyl)Phosphonothioic Acid o-Ethyl o-(p-Nitrophenyl) Ester is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its unique structure, featuring both phosphonothioate and nitrophenyl groups, makes it a valuable precursor for developing compounds with specific biological activities. This high-purity intermediate is primarily sought by research institutions and manufacturers in the agrochemical and pharmaceutical sectors for the development of novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key building block in the research and synthesis of novel insecticides and acaricides, leveraging its organophosphorus backbone.
• Pharmaceutical Research: Used as a sophisticated synthon for creating potential pharmacologically active molecules, particularly in medicinal chemistry programs.
• Chemical Synthesis: Serves as a versatile precursor for the preparation of other functionalized phosphonothioate esters and derivatives.
• Biochemical Probe Development: Utilized in research to develop enzyme inhibitors or labeling agents due to its reactive chloromethyl and phosphonothioate groups.
• Material Science Research: Investigated for potential use in creating specialized ligands or functional monomers for advanced polymers.

Basic Information

Product Name	(Chloromethyl)Phosphonothioic Acid o-Ethyl o-(p-Nitrophenyl) Ester
CAS No.	2425-19-6
Molecular Formula	C9H11ClNO4PS
Molecular Weight	295.68 g/mol
Synonyms	O-Ethyl O-(4-Nitrophenyl) Chloromethylphosphonothioate; Chloromethylphosphonothioic Acid O-Ethyl O-4-Nitrophenyl Ester; Phosphonothioic Acid, (Chloromethyl)-, O-Ethyl O-(4-Nitrophenyl) Ester; ENT 27973; NSC 190939; CMPT; 4-Nitrophenyl O-Ethyl Chloromethylphosphonothioate
EINECS	219-363-4

Quality Control

We maintain stringent quality control protocols for this advanced intermediate. Production follows current Good Manufacturing Practice (cGMP) principles where applicable, and every batch is analyzed using advanced chromatographic and spectroscopic techniques to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as oxidizing agents. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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