Description

Methylphosphonothioic Acid o-(4-Nitrophenyl)o-Propyl Ester is a specialized organophosphorus compound with a CAS registry number of 1085-34-3. This chemical serves as a critical intermediate in advanced synthesis, valued for its unique phosphonothioate ester structure. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel agrochemicals, pharmaceuticals, and chemical probes.

Application

• Agrochemical Intermediate: Key building block in the research and synthesis of next-generation insecticides and acaricides.
• Pharmaceutical Research: Used as a precursor or model compound in medicinal chemistry for developing enzyme inhibitors and bioactive molecules.
• Chemical Biology: Acts as a tool compound or synthetic intermediate for studying biological pathways and protein interactions.
• Material Science: Potential monomer or additive in the research of specialty polymers and functional materials.
• Process Chemistry: Serves as a valuable intermediate in custom synthesis and scale-up projects for specialty chemicals.

Basic Information

Product Name	Methylphosphonothioic Acid o-(4-Nitrophenyl)o-Propyl Ester
CAS No.	1085-34-3
Molecular Formula	C10H14NO4PS
Molecular Weight	275.26 g/mol
Synonyms	O-Propyl O-(4-nitrophenyl) methylphosphonothioate; Methylphosphonothioic Acid O-Propyl O-4-Nitrophenyl Ester; Phosphonothioic Acid, Methyl-, O-Propyl O-(4-Nitrophenyl) Ester; O-Propyl O-p-Nitrophenyl Methylphosphonothioate; NSC 420786; 4-Nitrophenyl Propyl Methylphosphonothioate; p-Nitrophenyl Propyl Methylphosphonothioate
EINECS	Contact for details

Quality Control

Our production of Methylphosphonothioic Acid o-(4-Nitrophenyl)o-Propyl Ester adheres to stringent internal quality protocols. Each batch is characterized and tested to ensure identity, purity, and consistency, supporting reliable research outcomes. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), identity (by IR/NMR), and impurity profile is provided with every shipment.

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 sensitivity to strong alkali and organic solvents, and because it is easily oxidized, it is recommended to store under an inert atmosphere for long-term stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Related Substances (HPLC)	Total impurities ≤ 5.0%
Residual Solvents (GC)	Complies with ICH guidelines

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