Description

Cyclopentanecarboxylic Acid, 2-(4-Bromobenzoyl)-, Methyl Ester, (1R,2R)- is a high-purity chiral building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex, biologically active molecules, particularly within the pharmaceutical sector. It is primarily needed by research institutions and manufacturers engaged in the synthesis of novel active pharmaceutical ingredients (APIs), agrochemicals, and other fine chemicals where stereochemical control is paramount.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new drug candidates, especially in therapeutic areas requiring complex, stereochemically defined structures.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides to enhance efficacy and reduce environmental impact.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing specialized chiral ligands and organocatalysts used in asymmetric synthesis.
• Academic and R&D Laboratories: Employed in methodological studies and the exploration of new synthetic pathways in organic chemistry.
• Fine Chemical Production: Acts as a building block for creating high-value, specialty chemicals with specific optical activity.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-(4-Bromobenzoyl)-, Methyl Ester, (1R,2R)-
CAS No.	791594-14-4
Molecular Formula	C14H15BrO3
Molecular Weight	311.17 g/mol
Synonyms	(1R,2R)-Methyl 2-(4-bromobenzoyl)cyclopentanecarboxylate; (1R,2R)-2-(4-Bromobenzoyl)cyclopentanecarboxylic Acid Methyl Ester; Methyl (1R,2R)-2-(4-Bromobenzoyl)cyclopentanecarboxylate; (1R,2R)-rel-2-[(4-Bromophenyl)carbonyl]cyclopentanecarboxylic Acid Methyl Ester; (1R,2R)-2-(p-Bromobenzoyl)cyclopentanecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2-(4-Bromobenzoyl)-, Methyl Ester, (1R,2R)- is produced under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical characterization, including chiral purity verification by HPLC. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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