Description

Ethyl 5-Methyl-2-Oxohexanoate is a high-purity organic ester compound, identified by CAS number 26395-03-9. This specialty chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its specific keto-ester functionality. It is essential for research and development chemists and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a branched keto-ester moiety.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Acts as a precursor for synthesizing specific esters that contribute to fruity or complex aroma profiles.
• Fine Chemical Production: Serves as a versatile intermediate for creating specialty chemicals used in materials science and performance additives.
• Organic Synthesis Research: Employed in academic and industrial R&D for method development and the construction of novel organic compounds.
• Polymer Modifier Precursor: Can be used to synthesize monomers or additives that impart specific properties to polymer chains.

Basic Information

Item	Details
Product Name	Ethyl 5-Methyl-2-Oxohexanoate
CAS No.	26395-03-9
Molecular Formula	C9H16O3
Molecular Weight	172.22 g/mol
Synonyms	Ethyl 5-Methyl-2-oxohexanoate; 5-Methyl-2-oxohexanoic Acid Ethyl Ester; Ethyl 5-Methyl-2-oxocaproate; 2-Oxo-5-methylhexanoic Acid Ethyl Ester; Ethyl α-Ketoisocaproate; Ethyl 2-Keto-5-methylhexanoate; Ethyl Isocaproylformate; Ethyl 5-Methyl-2-oxohexanoate (primary IUPAC)
EINECS	Contact for details

Quality Control

Our Ethyl 5-Methyl-2-Oxohexanoate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (IR, NMR), to ensure high purity and consistent composition. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at 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 to prevent moisture absorption and volatilization.

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)	1.420 - 1.430
Density (20°C)	0.98 - 1.02 g/mL

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