Description

3-Oxoheptylphosphonic Acid Diethyl Ester is a specialized organophosphorus compound that serves as a versatile synthetic intermediate. Its value lies in its unique bifunctional structure, featuring both a ketone and a phosphonate ester group, which enables its use in advanced organic synthesis methodologies. This chemical is particularly sought after by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring specific carbon-phosphorus bonds or ketone functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that utilize phosphonate chemistry.
• Horner-Wadsworth-Emmons (HWE) Reaction Reagent: Acts as a stabilized phosphonate ylide precursor for the stereoselective synthesis of alkenes, a fundamental transformation in fine chemical manufacturing.
• Ligand and Catalyst Precursor: Serves as a starting material for the development of novel organophosphorus ligands used in homogeneous catalysis.
• Material Science Research: Investigated as a monomer or additive in the development of specialty polymers and flame-retardant materials.
• Chemical Biology Probes: Utilized in the design and synthesis of enzyme inhibitors or activity-based probes that target phosphonate-binding proteins.

Basic Information

Product Name	3-Oxoheptylphosphonic Acid Diethyl Ester
CAS No.	92780-72-8
Molecular Formula	C11H23O4P
Molecular Weight	250.27 g/mol
Synonyms	Diethyl (3-Oxoheptyl)phosphonate; Diethyl 3-Oxoheptylphosphonate; 3-Oxoheptylphosphonic Acid Diethyl Ester; Heptan-3-on-1-ylphosphonic Acid Diethyl Ester; (3-Oxoheptyl)phosphonic Acid Diethyl Ester; Diethyl 1-(Diethoxyphosphoryl)pentan-3-one; Phosphonic Acid, P-(3-Oxoheptyl)-, Diethyl Ester
EINECS	Contact for details

Quality Control

Our 3-Oxoheptylphosphonic Acid Diethyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.