Description

(+)-4-Methyl-2-Methylenehenicosanoic Acid Ethyl Ester is a high-purity chiral ester compound characterized by its specific stereochemistry and long alkyl chain. This compound serves as a valuable chiral building block and intermediate in advanced organic synthesis, enabling the construction of complex molecules with defined stereocenters. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators requiring specific stereoisomers for optimal activity.
• Liquid Crystal & Advanced Material Research: Serves as a precursor or dopant in the synthesis of chiral liquid crystals and other functional organic materials.
• Flavor & Fragrance Chemistry: Acts as an intermediate for synthesizing complex, stereochemically-defined aroma compounds and flavoring agents.
• Academic & Industrial R&D: A critical reagent for methodological studies in asymmetric synthesis, catalysis, and total synthesis of natural products.
• Specialty Polymer Modification: Used to introduce chiral side chains or functional groups into polymers for specialized applications.

Basic Information

Product Name	(+)-4-Methyl-2-Methylenehenicosanoic Acid Ethyl Ester
CAS No.	18607-50-6
Molecular Formula	C₂₅H₄₈O₂
Molecular Weight	380.65 g/mol
Synonyms	Ethyl (4R)-4-Methyl-2-methylenehenicosanoate; (R)-4-Methyl-2-methylenehenicosanoic Acid Ethyl Ester; (+)-Ethyl 4-Methyl-2-methylenehenicosanoate; 2-Methylene-4-methylhenicosanoic Acid Ethyl Ester; (R)-Form of Ethyl 4-Methyl-2-methylenehenicosanoate; Dextrorotatory Isomer of Ethyl 4-Methyl-2-methylenehenicosanoate; (4R)-4-Methyl-2-methylene-henicosanoic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our (+)-4-Methyl-2-Methylenehenicosanoic Acid Ethyl Ester is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and enantiomeric purity suitable for demanding synthetic applications. A detailed Certificate of Analysis (COA) providing specifications for identity, purity, and related substances is available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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