Description

Butanedioic Acid, Bromo-, Diethyl Ester, (2S)- (9Ci) is a high-purity chiral building block and synthetic intermediate of significant value in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce stereochemical complexity into their target molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the asymmetric synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced, stereoselective pesticides and herbicides.
• Fine Chemical Production: Serves as a versatile building block for creating complex, high-value specialty chemicals and flavors/fragrances.
• Academic & Industrial Research: Employed in methodological development and catalysis studies for novel asymmetric transformations.
• Ligand and Catalyst Preparation: Useful in the synthesis of chiral ligands and organocatalysts for enantioselective reactions.

Basic Information

Product Name	Butanedioic Acid, Bromo-, Diethyl Ester, (2S)- (9Ci)
CAS No.	158705-99-8
Molecular Formula	C8H13BrO4
Molecular Weight	253.09 g/mol
Synonyms	(2S)-2-Bromobutanedioic Acid Diethyl Ester; Diethyl (2S)-2-Bromosuccinate; (S)-Diethyl 2-Bromosuccinate; L-Diethyl 2-Bromosuccinate; (S)-(-)-Diethyl 2-Bromosuccinate; Bromosuccinic Acid Diethyl Ester, (S)-; Succinic Acid, 2-Bromo-, Diethyl Ester, (S)-
EINECS	Contact for details

Quality Control

Our Butanedioic Acid, Bromo-, Diethyl Ester, (2S)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity (enantiomeric excess) and chemical purity determination by methods such as HPLC, GC, and NMR, to ensure it meets the stringent requirements for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

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 oxidizing agents. 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
Assay (HPLC)	≥ 97.0%
Chiral Purity (ee)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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