Description

Cyclobutanecarboxylic Acid, 3-Ethylidene-2-Methyl-, Methyl Ester, [1R- is a high-purity, chiral cyclobutane derivative that serves as a critical synthetic intermediate in advanced organic synthesis. Its unique, strained ring structure and defined stereochemistry make it a valuable building block for constructing complex molecular architectures with high precision. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), especially in areas requiring constrained, stereodefined ring systems.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, where its structural motif can contribute to specific biological activity.
• Fine Chemical Production: Serves as a specialized building block in the synthesis of complex fragrances, flavors, and other high-value specialty chemicals.
• Material Science Research: Investigated as a monomer or precursor for novel polymers with unique thermal or mechanical properties derived from the cyclobutane ring.
• Academic & R&D Laboratories: Employed in methodological studies and as a model compound in catalysis and synthetic organic chemistry research.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 3-Ethylidene-2-Methyl-, Methyl Ester, [1R-
CAS No.	134175-97-6
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(1R)-3-Ethylidene-2-methylcyclobutanecarboxylic acid methyl ester; Methyl (1R)-3-ethylidene-2-methylcyclobutanecarboxylate; [1R-(1α)]-3-Ethylidene-2-methylcyclobutanecarboxylic Acid Methyl Ester; (R)-Methyl 3-ethylidene-2-methylcyclobutanecarboxylate; Chiral Methyl Cyclobutane Carboxylate Derivative; 3-Ethylidene-2-methyl-cyclobutanecarboxylic acid methyl ester, (1R)-; Cyclobutane ester intermediate
EINECS	Contact for details

Quality Control

Our Cyclobutanecarboxylic Acid, 3-Ethylidene-2-Methyl-, Methyl Ester, [1R- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive analytical data, including chiral purity (enantiomeric excess) and standard impurity profiles. Certificates of Analysis (COA) detailing identity, assay, and purity are available for every batch upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. 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
Assay (HPLC/GC)	≥ 97.0%
Chiral Purity (ee)	≥ 98.0%
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.