Description

18-Methoxy-18-Oxooctadecanoic Acid is a high-purity, long-chain fatty acid derivative characterized by its terminal methoxy and oxo functional groups. This compound serves as a valuable specialty intermediate and building block in advanced organic synthesis, enabling the creation of complex molecules with tailored properties. It is primarily utilized by pharmaceutical and fine chemical industries for research and development, as well as in the synthesis of surfactants and specialty polymers.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs.
• Fine Chemical Synthesis: Acts as a key building block for creating complex organic molecules in laboratory and pilot-scale production.
• Surfactant & Detergent Precursor: Serves as a raw material for synthesizing specialized anionic and nonionic surfactants with specific chain lengths.
• Polymer Science: Employed in the development of specialty polymers, coatings, and additives requiring specific fatty acid modifications.
• Lubricant Additive Synthesis: Used to create ester-based components for high-performance lubricants and functional fluids.
• Cosmetic Ingredient Intermediate: A precursor in the manufacture of emollients and conditioning agents for personal care formulations.
• Academic & Industrial Research: A valuable reagent for chemical research in organic chemistry and material science.

Basic Information

Product Name	18-Methoxy-18-Oxooctadecanoic Acid
CAS No.	72849-35-5
Molecular Formula	C₁₉H₃₆O₄
Molecular Weight	328.49 g/mol
Synonyms	18-Methoxyoctadecanoic Acid; 18-Methoxy-18-oxooctadecanoic Acid; Methyl 17-carboxyheptadecanoate; 18-Methoxy-18-oxo-octadecanoic acid; Octadecanoic acid, 18-methoxy-18-oxo-; 18-Methoxy-18-ketooctadecanoic Acid; 18-Methoxyoleic Acid derivative; 18-Methoxy stearic acid derivative
EINECS	Contact for details

Quality Control

Our 18-Methoxy-18-Oxooctadecanoic Acid is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting specifications for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each 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 controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.