Description

Butanedioic Acid, 2-Bromo-3-Ethyl-, 1-Ethyl 4-Methyl Ester, (2R,3R)-Rel- (9Ci) is a high-purity, chiral brominated succinate derivative, serving as a critical advanced intermediate in complex organic syntheses. Its defined stereochemistry and reactive bromine functionality make it an indispensable building block for constructing molecules with precise three-dimensional architecture. This compound is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for constructing complex, stereospecific molecular frameworks.
• Agrochemical Synthesis: Used in the production of advanced, high-efficacy pesticides and herbicides where specific stereochemistry is required for biological activity.
• Organic Synthesis Research: Serves as a versatile building block in academic and industrial R&D for exploring new synthetic methodologies and creating complex organic molecules.
• Ligand and Catalyst Development: Employed in the synthesis of chiral ligands and organocatalysts used in asymmetric synthesis to induce enantioselectivity.
• Material Science Precursor: Potential use in the synthesis of specialized monomers for advanced polymers with tailored properties.

Basic Information

Product Name	Butanedioic Acid, 2-Bromo-3-Ethyl-, 1-Ethyl 4-Methyl Ester, (2R,3R)-Rel- (9Ci)
CAS No.	500137-42-8
Molecular Formula	C9H15BrO4
Molecular Weight	267.12 g/mol
Synonyms	(2R,3R)-rel-2-Bromo-3-ethylsuccinic acid 1-ethyl 4-methyl ester; 1-Ethyl 4-methyl (2R,3R)-rel-2-bromo-3-ethylsuccinate; Ethyl methyl (2R,3R)-rel-2-bromo-3-ethylsuccinate; 2-Bromo-3-ethylsuccinic acid ethyl methyl ester, (2R,3R)-rel-; Bromoethylsuccinic acid ethyl methyl ester; Succinic acid, 2-bromo-3-ethyl-, 1-ethyl 4-methyl ester, (2R,3R)-rel-
EINECS	Contact for details

Quality Control

Our production of Butanedioic Acid, 2-Bromo-3-Ethyl-, 1-Ethyl 4-Methyl Ester, (2R,3R)-Rel- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, 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 a controlled room temperature (typically 15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.