Description

Butanedioic Acid, 2-Cyano-3-Methyl-, 4-Ethyl 1-(2-Propenyl) Ester, [S-(R*,R*)]- (9Ci) is a specialized chiral ester derivative of succinic acid, distinguished by its cyano and propenyl functional groups. This compound is valued for its role as a high-purity synthetic intermediate in advanced chemical synthesis, offering precise stereochemical control. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides with specific stereochemical requirements.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new reaction pathways and methodologies.
• Material Science: Potential use in the synthesis of monomers for specialized polymers and advanced materials.

Basic Information

Product Name	Butanedioic Acid, 2-Cyano-3-Methyl-, 4-Ethyl 1-(2-Propenyl) Ester, [S-(R*,R*)]- (9Ci)
CAS No.	167778-93-0
Molecular Formula	C12H17NO4
Molecular Weight	239.27 g/mol
Synonyms	(2S,3S)-2-Cyano-3-methylsuccinic acid 4-ethyl 1-allyl ester; 4-Ethyl 1-allyl (2S,3S)-2-cyano-3-methylsuccinate; [S-(R*,R*)]-Butanedioic acid, 2-cyano-3-methyl-, 4-ethyl 1-(2-propenyl) ester; Allyl ethyl (2S,3S)-2-cyano-3-methylsuccinate; 2-Cyano-3-methylsuccinic acid allyl ethyl ester; (S,S)-2-Cyano-3-methylsuccinic acid 4-ethyl 1-allyl ester
EINECS	Contact for details

Quality Control

Our production of Butanedioic Acid, 2-Cyano-3-Methyl-, 4-Ethyl 1-(2-Propenyl) Ester, [S-(R*,R*)]- (9Ci) adheres to stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis and impurity profiling, to ensure it meets the exacting standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and specific test results are available upon request 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, sparks, and open flame. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
Water Content (KF)	≤ 0.5%

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