Description

Octadecanoic Acid, 10-Oxo-, Ethyl Ester is a specialized fatty acid derivative, also known as 10-Ketostearic Acid Ethyl Ester, valued for its unique keto-functionalized long-chain structure. This compound serves as a versatile chemical intermediate and functional additive, offering precise molecular architecture for advanced synthesis. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries for applications requiring tailored lipophilic properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules and prodrugs due to its metabolically relevant fatty acid chain.
• Cosmetic & Personal Care Ingredient: Acts as an emollient, skin-conditioning agent, or a precursor for specialty esters in high-end formulations.
• Lubricant & Plasticizer Additive: Serves as a precursor for synthesizing specialized esters that enhance lubricity and flexibility in polymers.
• Chemical Research & Development: A key building block in organic synthesis for creating novel surfactants, liquid crystals, or metal complexing agents.
• Flavor & Fragrance Industry: Potential use as an intermediate for producing macrocyclic musks or other odorants.
• Analytical Reference Standard: Employed as a certified reference material (CRM) in chromatographic analysis for quality control.

Basic Information

Product Name	Octadecanoic Acid, 10-Oxo-, Ethyl Ester
CAS No.	18490-59-0
Molecular Formula	C₂₀H₃₈O₃
Molecular Weight	326.52 g/mol
Synonyms	10-Ketostearic Acid Ethyl Ester; Ethyl 10-Ketooctadecanoate; Ethyl 10-Oxostearate; 10-Oxooctadecanoic Acid Ethyl Ester; Ethyl 10-Oxooctadecanoate; 10-Keto-Octadecanoic Acid Ethyl Ester; Stearic Acid, 10-Oxo-, Ethyl Ester
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 10-Oxo-, Ethyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support compliance with cGMP, ISO, and other relevant quality frameworks for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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