Description

1-Cyclopentene-1-Carboxylic Acid, 2-Bromo-, Methyl Ester is a high-value brominated cyclopentene derivative that serves as a versatile synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both a reactive bromine substituent and an ester functional group, makes it a critical building block for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical sectors, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the cyclopentene core contributes to biological activity.
• Material Science Research: Serves as a monomer or functionalizing agent in the creation of specialized polymers with unique thermal or optical properties.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions (e.g., Suzuki, Heck) and nucleophilic substitution reactions to introduce the functionalized cyclopentene moiety into larger molecules.
• Chemical Research & Development: Employed in academic and industrial R&D labs for methodological studies and the exploration of new chemical spaces.
• Ligand and Catalyst Preparation: Acts as a starting material for synthesizing chiral ligands or metal-organic complexes used in asymmetric catalysis.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylic Acid, 2-Bromo-, Methyl Ester
CAS No.	320608-71-7
Molecular Formula	C8H9BrO2
Molecular Weight	217.06 g/mol
Synonyms	Methyl 2-bromo-1-cyclopentene-1-carboxylate; 2-Bromo-1-cyclopentene-1-carboxylic acid methyl ester; 1-Cyclopentene-1-carboxylic acid, 2-bromo-, methyl ester; Methyl 2-bromocyclopent-1-ene-1-carboxylate; 2-Bromocyclopent-1-ene-1-carboxylic acid methyl ester; Bromocyclopentene carboxylate methyl ester
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylic Acid, 2-Bromo-, Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided with every shipment. We support cGMP-compliant manufacturing for pharmaceutical applications upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.