Description

4-Ketostearic Acid Methyl Ester is a high-purity, long-chain keto fatty acid ester that serves as a versatile synthetic intermediate and building block. Its unique structure, featuring a ketone group at the 4-position, makes it valuable for introducing specific functional groups into complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients or advanced materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of bioactive molecules, prostaglandin analogs, and other complex therapeutic agents.
• Agrochemical Synthesis: Used in the production of specialized plant growth regulators, pheromones, and other high-value crop protection chemicals.
• Specialty Polymer & Resin Modifier: Acts as a functional monomer or cross-linking agent to impart specific properties like flexibility, adhesion, or chemical resistance to polymers.
• Lubricant & Fuel Additive Precursor: Serves as a starting material for synthesizing advanced ester-based lubricants and performance-enhancing fuel additives.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic frameworks and studying reaction mechanisms.
• Flavor & Fragrance Ingredient Synthesis: Used as an intermediate in the production of specific musk-like or fatty aroma chemicals.

Basic Information

Product Name	4-Ketostearic Acid Methyl Ester
CAS No.	2380-19-0
Molecular Formula	C₁₉H₃₆O₃
Molecular Weight	312.49 g/mol
Synonyms	Methyl 4-Ketostearate; Methyl 4-Oxooctadecanoate; 4-Oxooctadecanoic Acid Methyl Ester; 4-Ketooctadecanoic Acid Methyl Ester; Methyl 4-Oxostearate; 4-Oxostearic Acid Methyl Ester; Keto C18 Methyl Ester
EINECS	219-175-7

Quality Control

Our 4-Ketostearic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis (GC/HPLC) and identity confirmation (IR, NMR), to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with each shipment.

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 holding under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Melting Point	Contact for details

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