Description

Diethoxy-Sulfanylidene-(3,5,6-Trichloropyridin-2-Yl)Oxy-Phosphorane is a specialized organophosphorus compound with a CAS number of 39475-55-3, serving as a critical intermediate in advanced chemical synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of high-value agrochemicals and pharmaceuticals. Industrial researchers and process chemists in the agrochemical and pharmaceutical sectors need this high-purity intermediate to ensure the efficiency and yield of their target active ingredients.

Application

• Key Intermediate for Herbicides: Primarily used in the synthesis of pyridinyloxy-phenoxy propionate class herbicides, contributing to effective weed control solutions.
• Agrochemical Active Ingredient (AI) Synthesis: Serves as a crucial building block in the multi-step production of modern, selective agrochemicals.
• Pharmaceutical Intermediate: Utilized in research and development for creating novel drug candidates with complex heterocyclic structures.
• Organophosphorus Chemistry Research: Acts as a valuable reagent in academic and industrial R&D for studying phosphorylation and thiophosphorylation reactions.
• Crop Protection Product Manufacturing: Integrated into the production processes of formulations designed for broadleaf weed management in major crops.
• Custom Synthesis and Contract Manufacturing: Supplied to fine chemical manufacturers for producing tailored intermediates under cGMP or ISO standards.

Basic Information

Item	Details
Product Name	Diethoxy-Sulfanylidene-(3,5,6-Trichloropyridin-2-Yl)Oxy-Phosphorane
CAS No.	39475-55-3
Molecular Formula	C9H11Cl3NO3PS
Molecular Weight	350.58 g/mol
Synonyms	O-(3,5,6-Trichloro-2-pyridinyl) O,O-diethyl phosphorothioate; Trichloropyridinyl Diethyl Phosphorothioate; NSC 190986; Diethyl (3,5,6-Trichloro-2-pyridyloxy)phosphorothioate; 2-Pyridinol, 3,5,6-trichloro-, O-ester with O,O-diethyl phosphorothioate; Phosphorothioic acid, O-(3,5,6-trichloro-2-pyridinyl) O,O-diethyl ester
EINECS	Contact for details

Quality Control

Every batch of our Diethoxy-Sulfanylidene-(3,5,6-Trichloropyridin-2-Yl)Oxy-Phosphorane is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity for synthesis. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with ISO 9001 standards, and we can support production under current Good Manufacturing Practice (cGMP) guidelines for pharmaceutical applications upon request.

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. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.