Description

9-Oxononanoic Acid Ethyl Ester is a versatile keto ester intermediate with significant utility in organic synthesis. Its bifunctional structure, featuring both a ketone and an ester group, makes it a valuable building block for the production of complex molecules. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fragrance sectors for constructing specific carbon chains and functional groups.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of prostaglandins, leukotrienes, and other bioactive molecules with specific carbon-9 backbones.
• Agrochemical Synthesis: Used in the production of plant growth regulators and specialized pesticide compounds.
• Fragrance & Flavor Ingredient: Serves as a starting material for creating musk-like odorants and specific flavoring esters.
• Organic Synthesis Building Block: Employed in aldol condensations, Grignard reactions, and reductions to introduce the 9-oxononanoate moiety.
• Polymer & Material Science: Potential monomer or cross-linking agent for specialty polymers with tailored properties.
• Chemical Research: A standard reagent in methodological development and synthetic chemistry studies.

Basic Information

Product Name	9-Oxononanoic Acid Ethyl Ester
CAS No.	3433-16-7
Molecular Formula	C11H20O3
Molecular Weight	200.28 g/mol
Synonyms	Ethyl 9-Oxononanoate; Ethyl Azelaldehydate; Ethyl 8-Carbethoxyoctanal; 9-Oxononanoic Acid Ethyl Ester; Ethyl 9-Oxopelargonate; 8-Carbethoxycaprylic Aldehyde; Azelaic Acid Semialdehyde Ethyl Ester; Ethyl ω-Oxononanoate
EINECS	222-327-5

Quality Control

Our 9-Oxononanoic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific batch results are provided and can be tailored to meet customer-specific requirements and internal specifications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.435 - 1.445
Density (20°C)	0.95 - 0.98 g/mL

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