Description

Phosphorothioic Acid, O,o-Diethyl o-(3,4,5,6-Tetrachloro-2-Pyridinyl) Ester is a specialized organophosphorus compound with a chlorinated pyridine backbone, serving as a critical intermediate in advanced chemical synthesis. Its value lies in its unique molecular structure, which provides a versatile platform for creating high-performance active ingredients. This product is essential for research and development chemists and manufacturers in the agrochemical and pharmaceutical industries, particularly for developing novel crop protection agents and bioactive molecules. The compound is supplied with a CAS number of 83866-73-3.

Application

• Agrochemical Intermediate: A key synthetic precursor for the development of next-generation insecticides and acaricides.
• Pharmaceutical Research: Used as a building block in medicinal chemistry for creating novel drug candidates with potential biological activity.
• Chemical Synthesis: Serves as a versatile intermediate for synthesizing complex organophosphorus and heterocyclic compounds.
• Material Science: Potential use in the development of specialty polymers and functional materials requiring specific chemical motifs.
• Academic & Industrial R&D: Employed in research laboratories for studying structure-activity relationships and reaction mechanisms.

Basic Information

Product Name	Phosphorothioic Acid, O,o-Diethyl o-(3,4,5,6-Tetrachloro-2-Pyridinyl) Ester
CAS No.	83866-73-3
Molecular Formula	C9H10Cl4NO3PS
Molecular Weight	394.02 g/mol
Synonyms	O,O-Diethyl O-(3,4,5,6-tetrachloro-2-pyridinyl) phosphorothioate; Chlorpyrifos Impurity; 3,4,5,6-Tetrachloro-2-pyridyl diethyl phosphorothioate; Diethyl (3,4,5,6-tetrachloro-2-pyridinyl) phosphorothioate; Phosphorothioic acid, O,O-diethyl O-(3,4,5,6-tetrachloro-2-pyridyl) ester; Tetrachloropyridyl Diethyl Thiophosphate; Chlorpyrifos Related Compound
EINECS	Contact for details

Quality Control

Our production of Phosphorothioic Acid, O,o-Diethyl o-(3,4,5,6-Tetrachloro-2-Pyridinyl) Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure high consistency and reliability for your synthetic processes. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay and impurity profiles.

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 heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 1.0%

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