Description

17-Ketostearic Acid Methyl Ester is a high-purity, long-chain keto fatty acid ester with significant utility as a versatile chemical intermediate. Its unique structure, featuring a ketone group at the 17-position, makes it a valuable building block for synthesizing specialized surfactants, lubricant additives, and pharmaceutical precursors. This compound is particularly sought after by research institutions and manufacturers in the fine chemical, personal care, and advanced materials sectors for developing novel compounds with tailored properties.

Application

• Chemical Synthesis Intermediate: A key starting material for the production of specialized surfactants, emulsifiers, and lubricant additives.
• Pharmaceutical Research: Used in the synthesis of steroid analogs and other bioactive molecules for drug discovery and development.
• Personal Care & Cosmetics: Serves as a precursor for emollients and conditioning agents in high-end cosmetic formulations.
• Polymer & Resin Modification: Employed to introduce functional ketone groups into polymer chains, altering physical and chemical properties.
• Analytical Reference Standard: Used as a certified reference material (CRM) in chromatographic analysis for quality control laboratories.
• Flavor & Fragrance Industry: Acts as an intermediate in the synthesis of complex musk and other fragrance compounds.

Basic Information

Product Name	17-Ketostearic Acid Methyl Ester
CAS No.	2380-32-7
Molecular Formula	C₁₉H₃₆O₃
Molecular Weight	312.49 g/mol
Synonyms	Methyl 17-oxooctadecanoate; Methyl 17-ketostearate; 17-Oxooctadecanoic acid methyl ester; 17-Ketooctadecanoic acid methyl ester; Octadecanoic acid, 17-oxo-, methyl ester; Stearic acid, 17-keto-, methyl ester
EINECS	219-185-6

Quality Control

Our 17-Ketostearic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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