Description

(E)-5-Methylhex-2-Enoic Acid is a high-purity, unsaturated carboxylic acid characterized by its specific stereochemistry. This compound is valued as a versatile chiral building block and intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is particularly relevant for R&D and production within the pharmaceutical, agrochemical, and specialty fragrance industries, where precise chemical structure is critical for functionality.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), especially in the development of prostaglandins and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to specific biological activity.
• Flavor & Fragrance Ingredient: Serves as a precursor for musk-like compounds and other specialty aroma chemicals.
• Organic Synthesis Building Block: Employed in academic and industrial research for asymmetric synthesis, cross-coupling reactions, and the preparation of novel polymers or liquid crystals.
• Material Science Research: Investigated as a monomer or modifier for creating polymers with tailored properties.

Basic Information

Product Name	(E)-5-Methylhex-2-Enoic Acid
CAS No.	51424-01-2
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	(E)-5-Methyl-2-hexenoic Acid; trans-5-Methyl-2-hexenoic Acid; 5-Methyl-trans-2-hexenoic Acid; (E)-5-Methylhex-2-enoic Acid; 2-Hexenoic acid, 5-methyl-, (E)-; β,γ-Dimethylvinylacetic Acid (archaic); 5-Methylhex-2(E)-enoic Acid
EINECS	Contact for details

Quality Control

Our (E)-5-Methylhex-2-Enoic Acid is produced under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and stereochemical integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Isomeric Purity ((E)-isomer)	≥ 98.0% (by GC or HPLC)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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