Description

(E)-3-Methyl-3-Pentenoic Acid Methyl Ester is a high-purity, unsaturated ester compound valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its defined stereochemistry and functional groups make it a critical precursor for creating complex molecules in research and industrial applications. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty fragrance sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for creating specific ester notes and complex aroma chemicals.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic molecules, including natural product analogs.
• Polymer & Material Science: Can be utilized as a monomer or modifier in the development of specialty polymers and functional materials.
• Fine Chemical Production: Employed in the multi-step synthesis of other high-value fine chemicals and specialty esters.

Basic Information

Product Name	(E)-3-Methyl-3-Pentenoic Acid Methyl Ester
CAS No.	41654-12-0
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Methyl (E)-3-Methyl-3-pentenoate; (E)-3-Methyl-3-pentenoic acid methyl ester; 3-Methyl-3-pentenoic Acid Methyl Ester, (E)-; Methyl 3-Methyl-3-pentenoate; trans-3-Methyl-3-pentenoic Acid Methyl Ester; 2-Butene-1-carboxylic acid, 2-methyl-, methyl ester, (E)-; 41654-12-0; Methyl trans-3-methylpent-3-enoate
EINECS	Contact for details

Quality Control

Our (E)-3-Methyl-3-Pentenoic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

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

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