Description

Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Beta(E)]- is a specialized, high-purity synthetic intermediate characterized by its unique cyclopropane and conjugated diene structure. This compound is valued for its precise stereochemistry and reactivity, making it a critical building block in advanced organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in areas requiring complex, strained-ring architectures.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of novel polymers with specific optical or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for Diels-Alder reactions and other cycloadditions to construct complex polycyclic frameworks.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of unique terpene-like aroma molecules.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Beta(E)]-
CAS No.	100678-75-9
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(1R,2S)-2-[(1E)-1,3-Butadien-1-yl]cyclopropanecarboxylic acid methyl ester; Methyl (1R,2S)-2-[(1E)-buta-1,3-dien-1-yl]cyclopropanecarboxylate; [1α,2β(E)]-2-(1,3-Butadienyl)cyclopropanecarboxylic Acid Methyl Ester; (1R-cis)-2-[(1E)-1,3-Butadien-1-yl]cyclopropanecarboxylic Acid Methyl Ester; Methyl trans-2-[(1E)-1,3-butadien-1-yl]cyclopropanecarboxylate; Chiral cyclopropane diene ester.
EINECS	Contact for details

Quality Control

Every batch of Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Beta(E)]- is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including chiral HPLC and GC/MS, to ensure high chemical and isomeric purity and compliance with customer specifications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency for your critical R&D and scale-up processes.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider storing 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%
Chiral Purity (HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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