Description

1,2-Oxaphosphole-3-Carboxylicacid,2-Ethoxy-2,5-Dihydro-5-Methyl-,Methylester,2-Oxide(9Ci) is a specialized organophosphorus compound with a unique heterocyclic structure. This chemical matters as a versatile synthetic intermediate, enabling the construction of complex molecules for advanced material and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop novel active ingredients or functional materials. Its distinct phosphole core offers valuable reactivity for creating new molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of next-generation herbicides, insecticides, or plant growth regulators leveraging its phosphorus-containing heterocycle.
• Ligand Synthesis: Acts as a precursor for creating specialized phosphine-based ligands used in catalysis and asymmetric synthesis.
• Material Science: Employed in the research of flame retardants, polymer modifiers, or electronic materials due to the phosphorus moiety.
• Chemical Biology Probes: Utilized to develop molecular probes for studying enzyme function or cellular signaling pathways.
• Process Chemistry: Investigated for scalable routes in the production of complex, high-value specialty chemicals.

Basic Information

Product Name	1,2-Oxaphosphole-3-Carboxylicacid,2-Ethoxy-2,5-Dihydro-5-Methyl-,Methylester,2-Oxide(9Ci)
CAS No.	599179-44-9
Molecular Formula	C8H13O5P
Molecular Weight	220.16 g/mol
Synonyms	Methyl 2-ethoxy-5-methyl-2,5-dihydro-1,2-oxaphosphole-3-carboxylate 2-oxide; 2-Ethoxy-5-methyl-2,5-dihydro-1,2-oxaphosphole-3-carboxylic acid methyl ester 2-oxide; 1,2-Oxaphosphol-3-carboxylic acid, 2-ethoxy-2,5-dihydro-5-methyl-, methyl ester, P-oxide; 599179-44-9; Oxaphosphole carboxylate ester.
EINECS	Contact for details

Quality Control

Every batch of our 1,2-Oxaphosphole-3-Carboxylicacid,2-Ethoxy-2,5-Dihydro-5-Methyl-,Methylester,2-Oxide(9Ci) undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality commitment aligns with cGMP principles for advanced intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area %)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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