Description

1,1-Dioxidotetrahydro-3-Thienyl Diphenylphosphinate CAS NO 202341-88-6 is a specialized organophosphorus compound featuring a sulfone-substituted tetrahydrothiophene ring. This chemical is valued for its role as a key intermediate and ligand in advanced synthetic chemistry, particularly in catalytic processes and the development of novel pharmaceuticals. It is primarily sought by research institutions and industrial manufacturers engaged in fine chemical synthesis, asymmetric catalysis, and the production of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Catalysis & Ligand Chemistry: Acts as a ligand or precursor for catalysts used in asymmetric synthesis and cross-coupling reactions.
• Organic Synthesis Research: Used in academic and industrial R&D for developing new synthetic methodologies and novel chemical entities.
• Agrochemical Development: Employed in the research and synthesis of advanced crop protection agents and herbicides.
• Material Science: Investigated as a monomer or additive for creating specialized polymers with unique properties.
• Process Chemistry Optimization: Utilized in scaling up and optimizing synthetic routes for commercial production.

Basic Information

Product Name	1,1-Dioxidotetrahydro-3-Thienyl Diphenylphosphinate
CAS No.	202341-88-6
Molecular Formula	C₁₇H₁₉O₄PS
Molecular Weight	350.37 g/mol
Synonyms	3-(Diphenylphosphinyl)tetrahydrothiophene 1,1-Dioxide; Tetrahydro-3-thienyl diphenylphosphinate 1,1-Dioxide; 3-Diphenylphosphinoyltetrahydrothiophene S,S-Dioxide; Diphenyl(1,1-dioxidotetrahydrothiophen-3-yl)phosphine Oxide; 202341-88-6; Thiophene, tetrahydro-3-(diphenylphosphinyl)-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our production of 1,1-Dioxidotetrahydro-3-Thienyl Diphenylphosphinate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and GC to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We operate under a quality management system and can support development projects requiring GMP-grade material.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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