Description

Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Alpha(E)]- is a specialized chiral cyclopropane derivative that serves as a high-value synthetic intermediate. This compound is critical for constructing complex molecular architectures due to its reactive conjugated diene and ester functionalities. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of proprietary drug candidates, particularly those requiring a chiral cyclopropane core.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its unique structural motif for bioactivity.
• Advanced Material Research: Serves as a monomer or precursor in the development of specialized polymers and functional materials.
• Organic Synthesis & Methodology: A valuable substrate for developing new catalytic reactions, cycloadditions, and stereoselective transformations in academic and industrial R&D.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance and flavor compounds.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Alpha(E)]-
CAS No.	100515-95-5
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(1R,2R)-2-[(1E)-1,3-Butadien-1-yl]cyclopropanecarboxylic acid methyl ester; Methyl (1R,2R)-2-[(1E)-buta-1,3-dien-1-yl]cyclopropanecarboxylate; [1α,2α(E)]-2-(1,3-Butadienyl)cyclopropanecarboxylic Acid Methyl Ester; (1R,2R)-Methyl 2-((1E)-1,3-butadien-1-yl)cyclopropanecarboxylate; (1R-cis)-2-[(1E)-1,3-Butadien-1-yl]cyclopropanecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-(1,3-Butadienyl)-, Methyl Ester, [1Alpha,2Alpha(E)]- is produced under strict quality management systems. Each batch is characterized and tested to ensure identity, purity, and enantiomeric excess meet the stringent requirements of advanced synthetic applications. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to support your R&D and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	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.