Description

Phosphorothioic Acid, o-(4-Chloro-5-Phenyl-3-Isoxazolyl) O,o-Diethyl E Ster is a specialized organophosphorus compound with a unique isoxazole-phenyl backbone, serving as a critical synthetic intermediate. This compound matters for its role in constructing complex molecules, particularly in the development of advanced agrochemicals and pharmaceuticals where precise structural motifs are required. Industries involved in custom synthesis, crop protection research, and medicinal chemistry need this high-purity building block to develop new active ingredients with targeted properties.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel insecticides and herbicides, leveraging its organophosphorus and heterocyclic structure.
• Pharmaceutical Research: Used as a sophisticated building block in medicinal chemistry for creating potential drug candidates with specific biological activity.
• Chemical Synthesis: Serves as a versatile intermediate for constructing complex organic molecules in academic and industrial R&D laboratories.
• Ligand and Catalyst Development: Potential use in developing specialized ligands for catalytic systems due to its phosphorus and nitrogen-containing functional groups.
• Material Science Precursor: Can be utilized in the synthesis of functionalized polymers or advanced materials requiring specific chemical handles.

Basic Information

Product Name	Phosphorothioic Acid, o-(4-Chloro-5-Phenyl-3-Isoxazolyl) O,o-Diethyl E Ster
CAS No.	32306-22-2
Molecular Formula	C14H15ClNO4PS
Molecular Weight	359.77 g/mol
Synonyms	O,O-Diethyl O-(4-chloro-5-phenyl-3-isoxazolyl) phosphorothioate; 4-Chloro-5-phenyl-3-isoxazolyl diethyl phosphorothioate; Phosphorothioic acid, O,O-diethyl O-(4-chloro-5-phenyl-3-isoxazolyl) ester; Isoxathion (common name); Ester of O,O-diethyl phosphorothioic acid with 4-chloro-5-phenyl-3-isoxazolol; ENT 27,811; NSC 190986
EINECS	Contact for details

Quality Control

Our production of Phosphorothioic Acid, o-(4-Chloro-5-Phenyl-3-Isoxazolyl) O,o-Diethyl E Ster adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for your synthetic workflows. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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