Description

Butanedioic Acid, Chloro-, Diethyl Ester, (2S)- (9Ci) is a chiral, non-racemic chemical intermediate of significant synthetic value. This compound matters for its role in the stereoselective construction of complex molecules, enabling the production of enantiomerically pure pharmaceuticals and fine chemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of enantiomerically pure drugs.
• Agrochemical Synthesis: Used in the production of chiral pesticides and herbicides where specific stereochemistry is required for biological activity.
• Asymmetric Catalysis: Serves as a precursor or ligand in catalytic systems designed for enantioselective chemical transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances that demand high stereochemical purity.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis and medicinal chemistry research.

Basic Information

Product Name	Butanedioic Acid, Chloro-, Diethyl Ester, (2S)- (9Ci)
CAS No.	377751-51-4
Molecular Formula	C8H13ClO4
Molecular Weight	208.64 g/mol
Synonyms	(2S)-2-Chlorosuccinic Acid Diethyl Ester; Diethyl (2S)-2-Chlorosuccinate; (S)-Diethyl 2-Chlorosuccinate; (S)-2-Chlorosuccinic Acid Diethyl Ester; L-2-Chlorosuccinic Acid Diethyl Ester; (S)-(-)-Diethyl Chlorosuccinate; Butanedioic acid, 2-chloro-, 1,4-diethyl ester, (2S)-; Diethyl (S)-(-)-2-chlorosuccinate
EINECS	Contact for details

Quality Control

Our production of Butanedioic Acid, Chloro-, Diethyl Ester, (2S)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. The material is characterized by advanced analytical techniques including chiral HPLC, NMR, and GC-MS. 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 heat sources and incompatible materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%

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