Description

4-Methyloctadecanoic Acid Methyl Ester is a high-purity branched-chain fatty acid ester, a key intermediate in advanced organic synthesis. Its unique structure provides valuable properties for modifying surface characteristics and synthesizing complex molecules. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring specific lipid solubility and metabolic profiles.
• Agrochemical Synthesis: Serves as a key building block for creating specialized surfactants, adjuvants, and active ingredients in pesticide and herbicide formulations.
• Specialty Surfactant & Lubricant Production: Acts as a precursor for synthesizing high-performance, branched surfactants and synthetic lubricants with superior low-temperature fluidity and stability.
• Polymer & Resin Modification: Employed as a comonomer or plasticizer additive to enhance the flexibility, hydrophobicity, and processing characteristics of polymers.
• Flavor & Fragrance Industry: Utilized in the creation of complex ester-based aroma chemicals and flavoring agents.
• Research & Development: A valuable standard and reagent in organic chemistry research, particularly in studies of lipid metabolism, membrane biology, and ester chemistry.

Basic Information

Product Name	4-Methyloctadecanoic Acid Methyl Ester
CAS No.	2490-15-5
Molecular Formula	C₂₀H₄₀O₂
Molecular Weight	312.53 g/mol
Synonyms	Methyl 4-Methyloctadecanoate; Methyl 4-Methylstearate; 4-Methylstearic Acid Methyl Ester; Isopalmitic Acid Methyl Ester (related); Methyl Isopalmitate (related); Methyl 16-Methylheptadecanoate (alternative numbering); Methyl anteiso-C19:0 (lipid nomenclature); Methyl 4-Methyloctadecylate
EINECS	219-667-8

Quality Control

Our 4-Methyloctadecanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.1%

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