Description

Butanedioic Acid, 2-Bromo-3-Ethyl-, 4-Methyl Ester, [S-(R*,S*)]- (9Ci) is a high-purity, stereochemically defined brominated succinate derivative. This compound serves as a critical chiral building block and synthetic intermediate in advanced organic synthesis, offering precise control over molecular architecture. It is essential for research and development chemists in the pharmaceutical and agrochemical industries who require enantiomerically pure intermediates for the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides where specific stereochemistry is crucial for bioactivity.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecules, leveraging its reactive bromine and ester functional groups.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing chiral ligands and organocatalysts used in asymmetric catalysis.
• Material Science Research: Potential monomer or modifier in the development of specialized polymers with unique optical or mechanical properties.
• Chemical Reference Standard: Used as a high-purity analytical standard for method development and quality control in analytical laboratories.

Basic Information

Product Name	Butanedioic Acid, 2-Bromo-3-Ethyl-, 4-Methyl Ester, [S-(R*,S*)]- (9Ci)
CAS No.	146499-97-0
Molecular Formula	C7H11BrO4
Molecular Weight	239.06 g/mol
Synonyms	2-Bromo-3-ethylsuccinic acid 4-methyl ester; Methyl 2-bromo-3-ethylsuccinate; (2S,3S)-Methyl 2-bromo-3-ethylsuccinate; [S-(R*,S*)]-Butanedioic acid, 2-bromo-3-ethyl-, 4-methyl ester; 2-Bromo-3-ethyl-4-methoxy-4-oxobutanoic acid (enol form); Brominated ethyl methyl succinate; Chiral bromosuccinate ester
EINECS	Contact for details

Quality Control

Our Butanedioic Acid, 2-Bromo-3-Ethyl-, 4-Methyl Ester, [S-(R*,S*)]- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with stringent specifications for research and process development use. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong acids and organic solvents. The container must be kept tightly closed in a dry and well-ventilated place.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 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.